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      in Energy

      Solve at MIT 2023: Collaboration and climate efforts are at the forefront of social impact

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      “The scale, complexity, the global nature of the problems we’re dealing with are so big that no single institution, industry, or country can deal with them alone,” MIT President Sally Kornbluth stated in her first remarks to the Solve community.

      Over 300 social impact leaders from around the world convened on MIT’s campus for Solve at MIT 2023 to celebrate the 2022 Solver class and to discuss some of the world’s greatest challenges and how we can tackle them with innovation, entrepreneurship, and technology.

      These challenges can be complicated and may even feel insurmountable, but Solve at MIT leaves us with the hope, tools, and connections needed to find solutions together.

      Hala Hanna, executive director of MIT Solve, shared what keeps her inspired and at the front line of social impact: “Optimism isn’t about looking away from the issues but looking right at them, believing we can create the solutions and putting in the work. So, anytime I need a dose of optimism, I look to the innovators we work with,” Hanna shared during the opening plenary, Unlocking our Collective Potential.

      Over the course of three days, more than 300 individuals from around the world convened to celebrate the 2022 Solver class, create partnerships that lead to progress, and address solutions to pressing world issues in real-time.

      Every technologist, philanthropist, investor, and innovator present at Solve at MIT left with their own takeaway, but three main themes seemed to underscore the overall discussions.

      Technology and innovation are as neutral as the makers

      Having bias is a natural part of what makes us human. However, being aware of our predispositions is necessary to transform our lived experiences into actionable solutions for others to benefit from. 

      We’ve largely learned that bias can be both unavoidable and applied almost instantly. Sangbae Kim, director of the Biomimetic Robotics Laboratory and professor of mechanical engineering at MIT, proved this through robotics demonstrations where attendees almost unanimously were more impressed with a back-flipping MIT robot compared to one walking in circles. As it turns out, it took one individual three days to program a robot to do a flip and over two weeks for a full team to program one to walk. “We judge through the knowledge and bias we have based on our lived experiences,” Kim pointed out.

      Bias and lived experiences don’t have to be bad things. The solutions we create based on our own lives are what matter. 

      2022 Solver Atif Javed, co-founder and executive director of Tarjimly, began translating for his grandmother as a child and learned about the struggles that come with being a refugee. This led him to develop a humanitarian language-translation application, which connects volunteer translators with immigrants, refugees, nongovernmental organizations (NGOs), and more, on demand. 

      Vanessa Castañeda Gill, 2022 Solver and co-founder and CEO of Social Cipher, transformed her personal experience with ADHD and autism to develop Ava, a video game empowering neuro-divergent youth and facilitating social-emotional learning.

      For Kelsey Wirth, co-founder and chair of Mothers Out Front, the experience of motherhood and the shared concerns for the well-being of children are what unite her with other moms. 

      Whitney Wolf Herd, founder and CEO of Bumble, shared that as a leader in technology and a person who witnessed toxic online spaces, she sees it as her responsibility to spearhead change. 

      During the plenary, “Bringing us Together or Tearing us Apart?” Wolf Herd asked, “What if we could use technology to be a force for positivity?” She shared her vision for equality and respect to be part of the next digital wave. She also called for technology leaders to join her to ensure “guardrails and ground rules” are in place to make sure this goal becomes a reality.

      Social innovation must be intersectional and intergenerational

      During Solve at MIT, industry leaders across sectors, cultures, ages, and expertise banded together to address pressing issues and to form relationships with innovators looking for support in real time.

      Adam Bly, founder and CEO of System Inc., discussed the interconnected nature of all things and why his organization is on a mission to show the links, “We’re seeing rising complexity in the systems that make up life on earth, and it impacts us individually and globally. The way we organize the information and data we need to make decisions about those systems [is highly] siloed and highly fragmented, and it impairs our ability to make decisions in the most systemic, holistic, rational way.”

      President and CEO of the National Resources Defense Council Manish Bapna shared his advocacy for cross-sector work: “Part of what I’ve seen really proliferate and expand in a good way over the past 10 to 15 years are collaborations involving startups in the private sector, governments, and NGOs. No single stakeholder or organization can solve the problem, but by coming together, they bring different perspectives and skills in ways that can create the innovation we need to see.”

      For a long time, STEM (science, technology, engineering, and math) were seen as the subjects that would resolve our complex issues, but as it turns out, art also holds a tremendous amount of power to transcend identity, borders, status, and concerns, to connect us all and aid us in global unity. Artists Beatie Wolfe, Norhan Bayomi, Aida Murad, and Nneka Jones showed us how to bring healing and awareness to topics like social and environmental injustice through their music, embroidery, and painting.

      The 2023 Solv[ED] Innovators, all age 24 or under, have solutions that are improving communication for individuals with hearing loss, transforming plastic waste into sustainable furniture, and protecting the Black birthing community, among other incredible feats.

      Kami Dar, co-founder and CEO of Uniti Networks, summarizes the value of interconnected problem-solving: “My favorite SDG [sustainable development goal] is SDG number 17— the power of partnership. Look for the adjacent problem-solvers and make sure we are not reinventing the wheel.”

      Relationships and the environment connect us all

      Solve is working to address global challenges on an ongoing basis connected to climate, economic prosperity, health, and learning. Many of these focus areas bleed into one another, but social justice and climate action served as a backdrop for many global issues addressed during Solve at MIT.

      “When we started addressing climate change, we saw it primarily as technical issues to bring down emissions … There’s inequality, there’s poverty, there are social tensions that are rising … We are not going to address climate change without addressing the social tensions that are embedded,” said Lewis Akenji, managing director of the Hot or Cool Institute. Akenji sees food, mobility, and housing as the most impactful areas to focus solutions on first.

      During the “Ensuring a Just Transition to Net Zero” plenary, Heather Clancy, vice president and editorial director at Greenbiz, asked panelists what lessons they have learned from their work. Janelle Knox Hayes, ​​professor of economic geography and planning at MIT, shared that listening to communities, especially front-line and Indigenous communities, is needed before deploying solutions to the energy crisis. “Climate work has this sense of urgency, like it rapidly has to be done … to do really engaged environmental justice work, we have to slow down and realize even before we begin, we need a long period of time to plan. But before we even do that, we have to rebuild relationships and trust and reciprocity … [This] will lead to better and longer-lasting solutions.”

      Hina Baloch, executive director and global head of climate change and sustainability strategy and communication at General Motors, asked Chéri Smith, founder of Indigenous Energy Initiative, to share her perspective on energy sovereignty as it relates to Indigenous communities. Smith shared, “Tribes can’t be sovereign if they’re relying on outside sources for their energy. We were founded to support the self-determination of tribes to revamp their energy systems and rebuild, construct, and maintain them themselves.”

      Smith shared an example of human and tribal-centered innovation in the making. Through the Biden administration’s national electronic vehicle (EV) initiative, Indigenous Energy Initiative and Native Sun Community Power Development will collaborate and create an inter-tribal EV charging network. “The last time we built out an electric grid, it deliberately skipped over tribal country. This time, we want to make sure that we not only have a seat at the table, but that we build out the tables and invite everyone to them,” said Smith.

      Solve at MIT led to meaningful discussions about climate change, intersectional and accessible innovation, and the power that human connection has to unite everyone. Entrepreneurship and social change are the paths forward. And although the challenges ahead of us can be daunting, with community, collaboration, and a healthy dose of bravery, global challenges will continue to be solved by agile impact entrepreneurs all around the world. 

      As Adrianne Haslet, a professional ballroom dancer and Boston Marathon bombing survivor, reminded attendees, “What will get you to the finish line is nothing compared to what got you to the start line.” More

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      in Environment

      3 Questions: New MIT major and its role in fighting climate change

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      Launched this month, MIT’s new Bachelor of Science in climate system science and engineering is jointly offered by the departments of Civil and Environmental Engineering (CEE) and Earth, Atmospheric and Planetary Sciences (EAPS). As part of MIT’s commitment to aid the global response to climate change, the new degree program is designed to train the next generation of leaders, providing a foundational understanding of both the Earth system and engineering principles — as well as an understanding of human and institutional behavior as it relates to the climate challenge. Jadbabaie and Van der Hilst discuss the new Course 1-12 multidisciplinary major and why it’s needed now at MIT. 

      Q: What was the idea behind launching this new major at MIT?

      Jadbabaie: Climate change is an incredibly important issue that we must address, and time is of the essence. MIT is in a unique position to play a leadership role in this effort. We not only have the ability to advance the science of climate change and deepen our understanding of the climate system, but also to develop innovative engineering solutions for sustainability that can help us meet the climate goals set forth in the Paris Agreement. It is important that our educational approach also incorporates other aspects of this cross-cutting issue, ranging from climate justice, policy, to economics, and MIT is the perfect place to make this happen. With Course 1’s focus on sustainability across scales, from the nano to the global scale, and with Course 12 studying Earth system science in general, it was a natural fit for CEE and EAPS to tackle this challenge together. It is my belief that we can leverage our collective expertise and resources to make meaningful progress. There has never been a more crucial time for us to advance students’ understanding of both climate science and engineering, as well as their understanding of the societal implications of climate risk.

      Van der Hilst: Climate change is a global issue, and the solutions we urgently need for building a net-zero future must consider how everything is connected. The Earth’s climate is a complex web of cause and effect between the oceans, atmosphere, ecosystems, and processes that shape the surface and environmental systems of the planet. To truly understand climate risks, we need to understand the fundamental science that governs these interconnected systems — and we need to consider the ways that human activity influences their behavior. The types of large-scale engineering projects that we need to secure a sustainable future must take into consideration the Earth system itself. A systems approach to modeling is crucial if we are to succeed at inventing, designing, and implementing solutions that can reduce greenhouse gas emissions, build climate resilience, and mitigate the inevitable climate-related natural disasters that we’ll face. That’s why our two departments are collaborating on a degree program that equips students with foundational climate science knowledge alongside fundamental engineering principles in order to catalyze the innovation we’ll need to meet the world’s 2050 goals.

      Q: How is MIT uniquely positioned to lead undergraduate education in climate system science and engineering? 

      Jadbabaie: It’s a great example of how MIT is taking a leadership role and multidisciplinary approach to tackling climate change by combining engineering and climate system science in one undergraduate major. The program leverages MIT’s academic strengths, focusing on teaching hard analytical and computational skills while also providing a curriculum that includes courses in a wide range of topics, from climate economics and policy to ethics, climate justice, and even climate literature, to help students develop an understanding of the political and social issues that are tied to climate change. Given the strong ties between courses 1 and 12, we want the students in the program to be full members of both departments, as well as both the School of Engineering and the School of Science. And, being MIT, there is no shortage of opportunities for undergraduate research and entrepreneurship — in fact, we specifically encourage students to participate in the active research of the departments. The knowledge and skills our students gain will enable them to serve the nation and the world in a meaningful way as they tackle complex global-scale environmental problems. The students at MIT are among the most passionate and driven people out there. I’m really excited to see what kind of innovations and solutions will come out of this program in the years to come. I think this undergraduate major is a fantastic step in the right direction.

      Q: What opportunities will the major provide to students for addressing climate change?

      Van der Hilst: Both industry and government are actively seeking new talent to respond to the challenges — and opportunities — posed by climate change and our need to build a sustainable future. What’s exciting is that many of the best jobs in this field call for leaders who can combine the analytical skill of a scientist with the problem-solving mindset of an engineer. That’s exactly what this new degree program at MIT aims to prepare students for — in an expanding set of careers in areas like renewable energy, civil infrastructure, risk analysis, corporate sustainability, environmental advocacy, and policymaking. But it’s not just about career opportunities. It’s also about making a real difference and safeguarding our future. It’s not too late to prevent much more damaging changes to Earth’s climate. Indeed, whether in government, industry, or academia, MIT students are future leaders — as such it is critically important that all MIT students understand the basics of climate system science and engineering along with math, physics, chemistry, and biology. The new Course 1-12 degree was designed to forge students who are passionate about protecting our planet into the next generation of leaders who can fast-track high-impact, science-based solutions to aid the global response, with an eye toward addressing some of the uneven social impacts inherent in the climate crisis. More

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      in Energy

      MIT Energy Conference grapples with geopolitics

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      As Russia’s war in Ukraine rages on, this year’s MIT Energy Conference spotlighted the role of geopolitics in the world’s efforts to lower greenhouse gas emissions and mitigate the worst effects of climate change.

      Each year, the student-run conference, which its organizers say is the largest of its kind, brings together leaders from around the globe to discuss humanity’s most pressing energy and sustainability challenges.

      The event always involves perspectives from the investment, business, research, and startup communities. But this year, as more than 600 attendees gathered on April 11 and 12 for a whirlwind of keynote talks, fireside chats, and panel discussions, common themes also included the influence of Russia’s war, rising tensions between the U.S. and China, and international collaboration.

      As participants grappled with the evolving geopolitical landscape, some speakers encouraged moving past isolationist tendencies.

      “Some people push for self-sufficiency, others emphasize that we should not rely on trading partners that don’t share our values — I think both arguments are misguided,” said Juan Carlos Jobet, Chile’s former ministry of energy and mining. “No country has all that’s needed to create an energy system that’s affordable, clean, and secure. … A third of the world’s energy output is generated in nondemocratic countries. Can we really make our energy systems affordable and secure and curb climate change while excluding those countries from our collective effort? If we enter an area of protectionism and disintegration, we will all be worse off.”

      Another theme was optimism, such as that expressed by Volodymyr Kudrytskyi, CEO of Ukraine’s national power company, who spoke to the conference live from Kyiv. Kudrytskyi outlined Russia’s attacks on Ukraine’s power grids, which included more than 1,000 heavy missiles, making it the largest-ever campaign against a country’s power grid.

      Still, Kudrytskyi said he was confident he’d be able to attend the conference in person next year. As it happened, Kudrytskyi’s presentation marked the day Ukraine resumed its energy exports to other countries.

      “The good news is, after all of that, our system survived and continues operations,” he said.

      Energy security and the green transition

      Richard Duke, the U.S. Department of State’s deputy special envoy for climate, opened the conference with a keynote centered on the U.S.’ role in the global shift toward cleaner energy. Duke was among those advocating for a more integrated and diversified global energy system, noting that no country can address climate change on its own.

      “We need to do all of these things in parallel, in concert with other governments, and through the architecture of the Paris Climate agreement that wraps it together in ambitious net greenhouse gas abatement targets,” Duke said.

      Following his talk, Ditte Juul Jørgensen, the European Commission’s director general for energy, discussed the shift in the EU’s energy policies spurred by the Russian invasion of Ukraine.

      She admitted the EU had grown too dependent on Russian natural gas, but said the invasion forced European states to revise their energy strategy while keeping their long-term objective of net neutrality by 2050.

      “We see energy security and the green transition as interlinked. There is no energy security without the energy transition toward climate neutrality, and there’s no energy transition without energy security,” Jorgensen said.

      Jørgensen also outlined steps the EU has taken to improve its energy security over the last year, including rolling out additional renewable energy projects and replacing Russian fuel with fuel from the U.S., which has now become the continent’s main supplier of energy.

      “The fight against climate change is our shared ambition, it’s our shared responsibility, and I think we’ve shown over these last few years that we can turn that ambition into action and bring results,” she said.

      A challenge and an opportunity

      Optimism also shone through in the way speakers framed the green energy transition as a business opportunity. In keeping with the idea, the conference included a showcase of more than 30 startups focused on clean energy and sustainability.

      “We’re all battling a huge problem that needs a collective effort,” said Malav Sukhadia of Sol Clarity, a conference exhibitor that uses electricity to clean solar panels as a way to replace water cleaning. “This is one of the best energy conferences in the world. We felt if you’re in climate tech, you have to be here.”

      Technological development was a pillar of the conference, and a big topic in those discussions was green hydrogen, a clean fuel source that could replace natural gas in a number of applications and be produced using renewable energy. In one panel discussion on the technology, Sunita Satyapal of the Department of Energy noted the agency has been funding hydrogen development since the 1970s. Other panel members also stressed the maturity of the technology.

      “A lot of the technology needed to advance the ecosystem exists now,” said Laura Parkan, vice president of hydrogen energy at Air Liquide Americas. “The challenge is to get things to a large enough scale so that the costs come down to make it more affordable and really advance the hydrogen ecosystem.”

      Still, panel members acknowledged more technological development is needed to leverage the full potential of hydrogen, such as better mechanisms for storage and transportation.

      Other advanced technologies mentioned in panel discussions included advanced geothermal energy and small modular nuclear reactors that could be built and deployed more quickly than conventional reactors.

      “Exploring these different technologies may actually get us to the net zero — or even a zero carbon future — that we’re hoping for in electricity generation,” said Emma Wong of the OECD Nuclear Energy Agency, noting there are more than 80 advanced reactor designs that have been explored around the world. “There are various challenges and enabling conditions to be addressed, but places like China and Russia are already building these things, so there’s not a technological barrier.”

      “Glass half full”

      Despite the tall tasks that lie ahead, some speakers took a moment to celebrate accomplishments thus far.

      “It’s incredible to think about the progress we’ve made in the last 10 years,” said Neil Brown of the KKR investment firm, whose company is working to build a large offshore wind project. “Solar and wind and electric vehicles have gone from impossibly expensive and hard to imagine penetrating the market to being very close to, if not already at, cost parity. We’ve really come an awful long way.”

      Other speakers mixed their positivity with a confession of envy for the opportunity ahead of the young people in the audience, many of them students from MIT.

      “I have a mix of excitement from the speakers we’ve heard so far and a little bit of envy as well for the open road the young students and professionals here have in front of them,” said Jobert. “Coming back to this place has made me reconnect with the sense of opportunity and responsibility that I felt as a student.”

      Jobert offered lessons learned from his country’s struggles with an energy crisis, populist policies, and severe droughts. His talk finished with questions that struck at the heart of the conference.

      “The evidence is clear: The Earth will change. How much is still to be decided,” Jobert said. “The energy sector has been a central part of the problem. We now must work to become an essential pierce of the solution. Where should we focus our efforts? What can we learn from each other?” More

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      in Environment

      Greening roofs to boost climate resilience

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      When the historic cities of Europe were built hundreds of years ago, there were open green spaces all around them. But today’s city centers can be a 30-minute drive or more to the vast open greenery that earlier Europeans took for granted.

      That’s what the startup Roofscapes is trying to change. The company, founded by three students from MIT’s master of architecture program, is using timber structures to turn the ubiquitous pitched roofs of Paris into accessible green spaces.

      The spaces would provide a way to grow local food, anchor biodiversity, reduce the temperatures of buildings, improve air quality, increase water retention, and give residents a new way to escape the dense urban clusters of modern times.

      “We see this as a way to unlock the possibilities of these buildings,” says Eytan Levi MA ’21, SM ’21, who co-founded the company with Olivier Faber MA ’23 and Tim Cousin MA ’23. “These surfaces weren’t being used otherwise but could actually have a highly positive contribution to the value of the buildings, the environment, and the lives of the people.”

      For the co-founders, Roofscapes is about helping build up climate resilience for the future while improving quality of life in cities now.

      “It was always important to us to work with as little contradictions to our values as possible in terms of environmental and social impact,” Faber says. “For us, Roofscapes is a way to apply some of our academic learnings to the real world in a way that is tactical and impactful, because we’re tapping into this whole issue — pitched roof adaptation — that has been ignored by traditional architecture.”

      Three architects with a vision

      The founders, who grew up in France, met while studying architecture as undergraduates in Switzerland, but after graduating and working at design firms for a few years, they began discussing other ways they could make a difference.

      “We knew we wanted to have an impact on the built environment that was different than what a lot of architectural firms were doing. We were thinking about a startup, but mostly we came to MIT because we knew we’d have a lot of agency to grow our skills and competency in adapting the built environment to the climate and biodiversity crises,” Faber explains.

      Three months after coming to MIT, they applied to the DesignX accelerator to explore ways to make cities greener by using timber structures to build flat, green platforms on the ubiquitous pitched roofs of European cities’ older buildings.

      “In European city centers, two thirds of the roofs are pitched, and there’s no solution to make them accessible and put green surfaces on them,” Cousin says. “Meanwhile, we have all these issues with heat islands and excessive heat in urban centers, among other issues like biodiversity collapse, retention of rain water, lack of green spaces. Green roofs are one of the best ways to address all of these problems.”

      They began making small models of their imagined green roofs and talking with structural engineers around campus. The founders also gained operational knowledge from MIT’s Center for Real Estate, where Levi studied.

      In 2021, they showcased a 170-square-foot model at the Seoul Biennale of Architecture and Urbanism in South Korea. The model showed roofs made from different materials and pitched at different angles, along with versions of Roofscapes’ wooden platforms with gardens and vegetation built on top.

      When Levi graduated, he moved to Paris, where Cousin and Faber are joining him this spring. “We’re starting with Paris because all the roofs there are the same height, and you can really feel the potential when you go up there to help the city adapt,” says Cousin.

      Roofscapes’ big break came last year, when the company won a grant from the City of Paris as part of a program to improve the city’s climate resilience. The grant will go toward Roofscapes’ first project on the roof of a former town hall building in the heart of Paris. The company plans to test the project’s impact on the temperature of the buildings, humidity levels, and the biodiversity it can foster.

      “We were just three architects with a vision, and at MIT it became a company, and now in Paris we’re seeing the reality of deploying this vision,” Cousin says. “This is not something you do with three people. You need everyone in the city on the same side. We’re being advocates, and it’s exciting to be in this position.”

      A grassroots roof movement

      The founders say they hear at least once a week from a building owner or tenant who is excited to become a partner, giving them a list of more than 60 buildings to consider for their systems down the line. Still, they plan to focus on running tests on a few pilot projects in Paris before expanding more quickly using prefabricated structures.

      “It’s great to hear that constant interest,” Levi says. “It’s like we’re on the same team, because they’re potential clients, but they’re also cheering us on in our work. We know from the interest that once we have a streamlined process, we can get a lot of projects at once.”

      Even in just the three years since founding the company, the founders say they’ve seen their work take on a new sense of urgency.

      “We’ve seen a shift in people’s minds since we started three years ago,” Levi says. “Global warming is becoming increasingly graspable, and we’re seeing a greater will from building owners and inhabitants. People are very supportive of the notion that we have a heritage environment, but as the climate changes drastically, our building stock doesn’t work anymore the way it worked in the 19th century. It needs to be adapted, and that’s what we are doing.” More

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      in Security

      Titanic robots make farming more sustainable

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      There’s a lot riding on farmers’ ability to fight weeds, which can strangle crops and destroy yields. To protect crops, farmers have two options: They can spray herbicides that pollute the environment and harm human health, or they can hire more workers.

      Unfortunately, both choices are becoming less tenable. Herbicide resistance is a growing problem in crops around the world, while widespread labor shortages have hit the agricultural sector particularly hard.

      Now the startup FarmWise, co-founded by Sebastien Boyer SM ’16, is giving farmers a third option. The company has developed autonomous weeding robots that use artificial intelligence to cut out weeds while leaving crops untouched.

      The company’s first robot, fittingly called the Titan — picture a large tractor that makes use of a trailer in lieu of a driver’s seat — uses machine vision to distinguish weeds from crops including leafy greens, cauliflower, artichokes, and tomatoes while snipping weeds with sub-inch precision.

      About 15 Titans have been roaming the fields of 30 large farms in California and Arizona for the last few years, providing weeding as a service while being directed by an iPad. Last month, the company unveiled its newest robot, Vulcan, which is more lightweight and pulled by a tractor.

      “We have growing population, and we can’t expand the land or water we have, so we need to drastically increase the efficiency of the farming industry,” Boyer says. “I think AI and data are going to be major players in that journey.”

      Finding a road to impact

      Boyer came to MIT in 2014 and earned masters’ degrees in technology and policy as well as electrical engineering and computer science over the next two years.

      “What stood out is the passion that my classmates had for what they did — the drive and passion people had to change the world,” Boyer says.

      As part of his graduate work, Boyer researched machine learning and machine vision techniques, and he soon began exploring ways to apply those technologies to environmental problems. He received a small amount of funding from MIT Sandbox to further develop the idea.

      “That helped me make the decision to not take a real job,” Boyer recalls.

      Following graduation, he and FarmWise co-founder Thomas Palomares, a graduate of Stanford University whom Boyer met in his home country of France, began going to farmers’ markets, introducing themselves to small farmers and asking for tours of their farms. About one in three farmers were happy to show them around. From there they’d ask for referrals to larger farmers and service providers in the industry.

      “We realized agriculture is a large contributor of both emissions and, more broadly, to the negative impact of human activities on the environment,” Boyer says. “It also hasn’t been as disrupted by software, cloud computing, AI, and robotics as other industries. That combination really excites us.”

      Through their conversations, the founders learned herbicides are becoming less effective as weeds develop genetic resistance. The only alternative is to hire more workers, which itself was becoming more difficult for farmers.

      “Labor is extremely tight,” says Boyer, adding that bending over and weeding for 10 hours a day is one of the hardest jobs out there. “The labor supply is shrinking if not collapsing in the U.S., and it’s a worldwide trend. That has real environmental implications because of the tradeoff [between labor and herbicides].”

      The problem is especially acute for farmers of specialty crops, including many fruits, vegetables, and nuts, which grow on smaller farms than corn and soybean and each require slightly different growing practices, limiting the effectiveness of many technical and chemical solutions.

      “We don’t harvest corn by hand today, but we still harvest lettuces and nuts and apples by hand,” Boyer says.

      The Titan was built to complement field workers’ efforts to grow and maintain crops. An operator directs it using an iPad, walking alongside the machine and inspecting progress. Both the Titan and Vulcan are powered by an AI that directs hundreds of tiny blades to snip out weeds around each crop. The Vulcan is controlled directly from the tractor cab, where the operator has a touchscreen interface Boyer compares to those found in a Tesla.

      With more than 15,000 commercial hours under its belt, FarmWise hopes the data it collects can be used for more than just weeding in the near future.

      “It’s all about precision,” Boyer says. “We’re going to better understand what the plant needs and make smarter decisions for each one. That will bring us to a point where we can use the same amount of land, much less water, almost no chemicals, much less fertilizer, and still produce more food than we’re producing today. That’s the mission. That’s what excites me.”

      Weeding out farming challenges

      A customer recently told Boyer that without the Titan, he would have to switch all of his organic crops back to conventional because he couldn’t find enough workers.

      “That’s happening with a lot of customers,” Boyer says. “They have no choice but to rely on herbicides. Acres are staying organic because of our product, and conventional farms are reducing their use of herbicides.”

      Now FarmWise is expanding its database to support weeding for six to 12 new crops each year, and Boyer says adding new crops is getting easier and easier for its system.

      As early partners have sought to expand their deployments, Boyer says the only thing limiting the company’s growth is how fast it can build new robots. FarmWise’s new machines will begin being deployed later this year.

      Although the hulking Titan robots are the face of the company today, the founders hope to leverage the data they’ve collected to further improve farming operations.

      “The mission of the company is to turn AI into a tool that is as reliable and dependable as GPS is now in the farming industry,” Boyer says. “Twenty-five years ago, GPS was a very complicated technology. You had to connect to satellites and do some crazy computation to define your position. But a few companies brought GPS to a new level of reliability and simplicity. Today, every farmer in the world uses GPS. We think AI can have an even deeper impact than GPS has had on the farming industry, and we want to be the company that makes it available and easy to use for every farmer in the world.” More

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      in Environment

      MIT Solve announces 2023 global challenges and Indigenous Communities Fellowship

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      MIT Solve, an MIT initiative with a mission to drive innovation to solve world challenges, announced today the 2023 Global Challenges and the Indigenous Communities Fellowship. 

      Solve invites anyone from anywhere in the world to submit a solution to this year’s challenges by 12 p.m. EST on May 9. The 40 innovators — including eight new Indigenous Communities Fellows — will form the 2023 Solver Class, and pitch their solutions during Solve Challenge Finals on Sept. 17-18 in New York City. These selected teams will share over $1 million in available funding, take part in a nine-month support program, and join the Solve community made of cross-sector social impact leaders, to scale their solutions.

      Solve’s 2023 Global Challenges are: 

      For its second year, Solve will select a cohort of entrepreneurs among the 2023 Solver Class to join the Black and Brown Innovators in the U.S. Program. The program offers culturally-responsive support and partnership opportunities, and selected teams will participate in Solve’s annual U.S. Equity Summit. 

      In addition to the Global Challenges, Solve is also opening applications for the 2023 Indigenous Communities Fellowship. The fellowship, which looks for Native innovators in the United States and its territories, has now expanded eligibility to Canada. 

      “Every year we are inspired by people’s ingenuity and their determination to solve the most pressing issues of our time,” says Hala Hanna, acting executive director of MIT Solve. “We are excited to shine a spotlight on the most promising ones and grateful for our supporters who will help scale their impact.”

      Interested applicants can learn more and apply online at solve.mit.edu/challenges. 

      To date, the funding available for selected Solver teams and fellows includes:

      MIT Solve Funding — $400,000 with a $10,000 grant to each Solver team and fellow selected
      The GM Prize (supported by General Motors) — up to $150,000 across up to six solutions from the Learning for Civic Action Challenge, the Climate Adaptation & Low-Carbon Housing Challenge, and the 2023 Indigenous Communities Fellowship
      The AI for Humanity Prize (supported by The Patrick J. McGovern Foundation) — up to $150,000 to solutions that leverage data science, artificial intelligence, and/or machine learning to benefit humanity, selected from any of the 2023 Global Challenges
      The GSR Foundation Prize (supported by GSR Foundation) — up to $200,000 to innovative technology solutions from any of the 2023 Global Challenges, with a focus on solutions that use blockchain to improve financial inclusion
      Living Forests Prize (supported by Good Energies Foundation) — up to $100,000 across up to four solutions that help restore ecosystems or increase the use of sustainable forest products, selected from the Climate Adaptation & Low-Carbon Housing Challenge
      Those interested in sponsoring a prize should contact sue.kim@solve.mit.edu.

      Additionally, Solve Innovation Future will offer investment capital to Solver teams selected as a part of the 2023 class. To date, Solve Innovation Future has deployed over $1.3 million to more than 13 for-profit Solver team companies that are driving impact toward UN Sustainable Development Goals, and has catalyzed nearly seven times its investment in additional investment capital toward the Solver teams.

      The Solve community will convene on MIT’s campus for its flagship event Solve at MIT May 4-6 to celebrate the 2022 Solver Class. You may request an invitation here. Press interested in attending the event should contact maya.bingaman@solve.mit.edu. 

      Solve is a marketplace for social impact innovation. Through open innovation challenges, Solve finds incredible tech-based social entrepreneurs all around the world. Solve then brings together MIT’s innovation ecosystem and a community of members to fund and support these entrepreneurs to drive lasting, transformational impact. Solve has catalyzed over $60 million in commitments for Solver teams and entrepreneurs to date. More

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      in Security

      Professor Emeritus Richard Wurtman, influential figure in translational research, dies at 86

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      Richard Wurtman, the Cecil H. Green Distinguished Professor Emeritus and a member of the MIT faculty for 44 years, died on Dec. 13. He was 86.

      Wurtman received an MD from Harvard Medical School in 1960 and trained at Massachusetts General Hospital before joining the laboratory of Nobel laureate Julius Axelrod at the National Institutes of Health in 1962. In 1967, MIT invited him to start a neurochemistry and neuropharmacology program in the Department of Nutrition and Food Science. In the early 1980s he joined the newly formed Department of Brain and Cognitive Sciences. Wurtman was also deeply involved in the National Institutes of Health-established Clinical Research Center at MIT, which he also directed for 25 years.

      His initial placement in Nutrition and Food Science was fortuitous, recalled Wurtman in a 2011 profile, because it “sensitized me to the fact that nutrients are chemicals the way drugs are chemicals. A compound like folic acid is a vitamin in foods, but when given alone in higher doses it becomes a drug that safeguards the developing nervous system.”

      Wurtman’s search for new biological properties and therapeutic uses of known molecules — hormones, nutrients, or existing pharmaceuticals — was highly fruitful. His research on the pineal gland, which started when he was a medical student, led to the discovery that melatonin, the hormone made by the gland, regulates sleep. 

      “Dick Wurtman was a pioneer in studying the role of neurotransmitters in the brain, and neuroendocrine regulation of normal and abnormal brain function,” says Newton Professor of Neuroscience Mriganka Sur, who served as head of the Department of Brain and Cognitive Sciences from 1997 to 2012. “His work on the impact of nutrition on neurotransmitters such as acetylcholine and on neuronal membrane synthesis laid the groundwork for later translational work on brain diseases such as Alzheimer’s disease.”

      Wurtman’s lab discovered that consuming carbohydrates increases tryptophan levels in the brain and consequently the production of the neurotransmitter serotonin. This led to a long collaboration with his wife Judith Wurtman, an MIT research affiliate, in which they found that carbohydrates were often consumed by individuals as a form of self-medication when they experienced changes in mood, such as late in the afternoon or when suffering from premenstrual syndrome (PMS). The Wurtmans’ research led to the development of Sarafem, the first drug for severe PMS, and a drink, PMS Escape, used for milder forms of this syndrome.

      To commercialize some of his findings, Wurtman founded Interneuron Pharmaceuticals in 1988; the company was renamed Indevus in 2002 and acquired by Endo Pharmaceuticals in 2009.

      Wurtman’s research advanced the idea that substrate availability, and not simply enzyme activity, can control metabolic processes in the brain. He discovered that the dietary availability of neurotransmitter precursors (e.g., acetylcholine, dopamine, and GABA) can increase their levels in the brain and modulate their metabolism. Moreover, he applied this concept to synaptic structural components such as brain phosphatides and found that dietary intake of three rate-limiting precursors — uridine, choline, and the omega-3 fatty acid DHA — led to increased brain phosphatide levels, increased dendritic spine density, and improved memory performance. These findings led to the development of Souvenaid, a specifically formulated multi-nutrient drink based on the three essential phosphatide precursors of Wurtman’s later research. It has been the subject of numerous clinical trials for Alzheimer’s disease, and, most recently, for age-related cognitive decline.

      “Dick Wurtman was a pioneer on studying how nutrients influence brain function,” says Li-Huei Tsai, Picower Professor of Neuroscience and director of The Picower Institute for Learning and Memory. “His nutrient clinical trial work and establishment of the MIT Clinical Research Center have been tremendously helpful for my own work on understanding how high doses of supplement choline could potentially help reduce certain Alzheimer’s risk, and our team’s development of clinical studies at MIT to test Alzheimer’s therapies.”

      “Dick’s legacy resides within the careers of hundreds of trainees and collaborators he launched or enhanced, the 1,000-plus published research articles, his numerous patent awards, and people who benefited from his therapeutic approaches,” says former postdoc Bertha Madras, now a professor of psychobiology at McLean Hospital and Harvard Medical School. “Yet, these quantitative metrics, legacies of research and mentoring, do not illustrate the charitable qualities of this remarkable man. I witnessed his deep intellect, boundless energy, enthusiasm, optimism, and generosity toward trainees, qualities that helped to sustain me during crests and troughs encountered in the adventures of a scientific career. Dr. Richard Wurtman was a creative, brilliant scientist, a mentor, a devoted husband to his beloved wife.”

      “Dick was an inspiration, a motivation, and a guide to all his students and colleagues in shaping thoughts to be precise and purposeful,” says Tony Nader PhD ’89, who did his doctoral research with Wurtman. “His rigorous scientific approach and the application of his findings have contributed to make life better. His legacy is huge.”

      Richard and Judith Wurtman have also made a lasting philanthropic impact at MIT. They endowed a professorship in the Department of Brain and Cognitive Sciences in honor of the late Institute Professor and provost Walter Rosenblith; the chair was held first by Ann Graybiel, who is now an Institute Professor; Nancy Kanwisher is the current Walter A. Rosenblith Professor of Cognitive Neuroscience. The Wurtmans have also been longtime supporters of MIT Hillel.

      Elazer R. Edelman, the Edward J. Poitras Professor in Medical Engineering and Science at MIT, professor of medicine at Harvard Medical School, and director of the MIT Institute for Medical Engineering and Science, recalls that Wurtman was also supportive of the Harvard-MIT Program in Health Sciences and Technology: “He changed our school and our world — he and Judith coupled immense charity with exceptional intellect and they made us all better for it.”

      Richard Wurtman is survived by his wife, Judith; daughter Rachael; son David and daughter-in-law Jean Chang; and grandchildren Dvora Toren, Yael Toren and Jacob Vider.  More

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      in Energy

      Manufacturing a cleaner future

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      Manufacturing had a big summer. The CHIPS and Science Act, signed into law in August, represents a massive investment in U.S. domestic manufacturing. The act aims to drastically expand the U.S. semiconductor industry, strengthen supply chains, and invest in R&D for new technological breakthroughs. According to John Hart, professor of mechanical engineering and director of the Laboratory for Manufacturing and Productivity at MIT, the CHIPS Act is just the latest example of significantly increased interest in manufacturing in recent years.

      “You have multiple forces working together: reflections from the pandemic’s impact on supply chains, the geopolitical situation around the world, and the urgency and importance of sustainability,” says Hart. “This has now aligned incentives among government, industry, and the investment community to accelerate innovation in manufacturing and industrial technology.”

      Hand-in-hand with this increased focus on manufacturing is a need to prioritize sustainability.

      Roughly one-quarter of greenhouse gas emissions came from industry and manufacturing in 2020. Factories and plants can also deplete local water reserves and generate vast amounts of waste, some of which can be toxic.

      To address these issues and drive the transition to a low-carbon economy, new products and industrial processes must be developed alongside sustainable manufacturing technologies. Hart sees mechanical engineers as playing a crucial role in this transition.

      “Mechanical engineers can uniquely solve critical problems that require next-generation hardware technologies, and know how to bring their solutions to scale,” says Hart.

      Several fast-growing companies founded by faculty and alumni from MIT’s Department of Mechanical Engineering offer solutions for manufacturing’s environmental problem, paving the path for a more sustainable future.

      Gradiant: Cleantech water solutions

      Manufacturing requires water, and lots of it. A medium-sized semiconductor fabrication plant uses upward of 10 million gallons of water a day. In a world increasingly plagued by droughts, this dependence on water poses a major challenge.

      Gradiant offers a solution to this water problem. Co-founded by Anurag Bajpayee SM ’08, PhD ’12 and Prakash Govindan PhD ’12, the company is a pioneer in sustainable — or “cleantech” — water projects.

      As doctoral students in the Rohsenow Kendall Heat Transfer Laboratory, Bajpayee and Govindan shared a pragmatism and penchant for action. They both worked on desalination research — Bajpayee with Professor Gang Chen and Govindan with Professor John Lienhard.

      Inspired by a childhood spent during a severe drought in Chennai, India, Govindan developed for his PhD a humidification-dehumidification technology that mimicked natural rainfall cycles. It was with this piece of technology, which they named Carrier Gas Extraction (CGE), that the duo founded Gradiant in 2013.

      The key to CGE lies in a proprietary algorithm that accounts for variability in the quality and quantity in wastewater feed. At the heart of the algorithm is a nondimensional number, which Govindan proposes one day be called the “Lienhard Number,” after his doctoral advisor.

      “When the water quality varies in the system, our technology automatically sends a signal to motors within the plant to adjust the flow rates to bring back the nondimensional number to a value of one. Once it’s brought back to a value of one, you’re running in optimal condition,” explains Govindan, who serves as chief operating officer of Gradiant.

      This system can treat and clean the wastewater produced by a manufacturing plant for reuse, ultimately conserving millions of gallons of water each year.

      As the company has grown, the Gradiant team has added new technologies to their arsenal, including Selective Contaminant Extraction, a cost-efficient method that removes only specific contaminants, and a brine-concentration method called Counter-Flow Reverse Osmosis. They now offer a full technology stack of water and wastewater treatment solutions to clients in industries including pharmaceuticals, energy, mining, food and beverage, and the ever-growing semiconductor industry.

      “We are an end-to-end water solutions provider. We have a portfolio of proprietary technologies and will pick and choose from our ‘quiver’ depending on a customer’s needs,” says Bajpayee, who serves as CEO of Gradiant. “Customers look at us as their water partner. We can take care of their water problem end-to-end so they can focus on their core business.”

      Gradiant has seen explosive growth over the past decade. With 450 water and wastewater treatment plants built to date, they treat the equivalent of 5 million households’ worth of water each day. Recent acquisitions saw their total employees rise to above 500.

      The diversity of Gradiant’s solutions is reflected in their clients, who include Pfizer, AB InBev, and Coca-Cola. They also count semiconductor giants like Micron Technology, GlobalFoundries, Intel, and TSMC among their customers.

      “Over the last few years, we have really developed our capabilities and reputation serving semiconductor wastewater and semiconductor ultrapure water,” says Bajpayee.

      Semiconductor manufacturers require ultrapure water for fabrication. Unlike drinking water, which has a total dissolved solids range in the parts per million, water used to manufacture microchips has a range in the parts per billion or quadrillion.

      Currently, the average recycling rate at semiconductor fabrication plants — or fabs — in Singapore is only 43 percent. Using Gradiant’s technologies, these fabs can recycle 98-99 percent of the 10 million gallons of water they require daily. This reused water is pure enough to be put back into the manufacturing process.

      “What we’ve done is eliminated the discharge of this contaminated water and nearly eliminated the dependence of the semiconductor fab on the public water supply,” adds Bajpayee.

      With new regulations being introduced, pressure is increasing for fabs to improve their water use, making sustainability even more important to brand owners and their stakeholders.

      As the domestic semiconductor industry expands in light of the CHIPS and Science Act, Gradiant sees an opportunity to bring their semiconductor water treatment technologies to more factories in the United States.

      Via Separations: Efficient chemical filtration

      Like Bajpayee and Govindan, Shreya Dave ’09, SM ’12, PhD ’16 focused on desalination for her doctoral thesis. Under the guidance of her advisor Jeffrey Grossman, professor of materials science and engineering, Dave built a membrane that could enable more efficient and cheaper desalination.

      A thorough cost and market analysis brought Dave to the conclusion that the desalination membrane she developed would not make it to commercialization.

      “The current technologies are just really good at what they do. They’re low-cost, mass produced, and they worked. There was no room in the market for our technology,” says Dave.

      Shortly after defending her thesis, she read a commentary article in the journal Nature that changed everything. The article outlined a problem. Chemical separations that are central to many manufacturing processes require a huge amount of energy. Industry needed more efficient and cheaper membranes. Dave thought she might have a solution.

      After determining there was an economic opportunity, Dave, Grossman, and Brent Keller PhD ’16 founded Via Separations in 2017. Shortly thereafter, they were chosen as one of the first companies to receive funding from MIT’s venture firm, The Engine.

      Currently, industrial filtration is done by heating chemicals at very high temperatures to separate compounds. Dave likens it to making pasta by boiling all of the water off until it evaporates and all you are left with is the pasta noodles. In manufacturing, this method of chemical separation is extremely energy-intensive and inefficient.

      Via Separations has created the chemical equivalent of a “pasta strainer.” Rather than using heat to separate, their membranes “strain” chemical compounds. This method of chemical filtration uses 90 percent less energy than standard methods.

      While most membranes are made of polymers, Via Separations’ membranes are made with graphene oxide, which can withstand high temperatures and harsh conditions. The membrane is calibrated to the customer’s needs by altering the pore size and tuning the surface chemistry.

      Currently, Dave and her team are focusing on the pulp and paper industry as their beachhead market. They have developed a system that makes the recovery of a substance known as “black liquor” more energy efficient.

      “When tree becomes paper, only one-third of the biomass is used for the paper. Currently the most valuable use for the remaining two-thirds not needed for paper is to take it from a pretty dilute stream to a pretty concentrated stream using evaporators by boiling off the water,” says Dave.

      This black liquor is then burned. Most of the resulting energy is used to power the filtration process.

      “This closed-loop system accounts for an enormous amount of energy consumption in the U.S. We can make that process 84 percent more efficient by putting the ‘pasta strainer’ in front of the boiler,” adds Dave.

      VulcanForms: Additive manufacturing at industrial scale

      The first semester John Hart taught at MIT was a fruitful one. He taught a course on 3D printing, broadly known as additive manufacturing (AM). While it wasn’t his main research focus at the time, he found the topic fascinating. So did many of the students in the class, including Martin Feldmann MEng ’14.

      After graduating with his MEng in advanced manufacturing, Feldmann joined Hart’s research group full time. There, they bonded over their shared interest in AM. They saw an opportunity to innovate with an established metal AM technology, known as laser powder bed fusion, and came up with a concept to realize metal AM at an industrial scale.

      The pair co-founded VulcanForms in 2015.

      “We have developed a machine architecture for metal AM that can build parts with exceptional quality and productivity,” says Hart. “And, we have integrated our machines in a fully digital production system, combining AM, postprocessing, and precision machining.”

      Unlike other companies that sell 3D printers for others to produce parts, VulcanForms makes and sells parts for their customers using their fleet of industrial machines. VulcanForms has grown to nearly 400 employees. Last year, the team opened their first production factory, known as “VulcanOne,” in Devens, Massachusetts.

      The quality and precision with which VulcanForms produces parts is critical for products like medical implants, heat exchangers, and aircraft engines. Their machines can print layers of metal thinner than a human hair.

      “We’re producing components that are difficult, or in some cases impossible to manufacture otherwise,” adds Hart, who sits on the company’s board of directors.

      The technologies developed at VulcanForms may help lead to a more sustainable way to manufacture parts and products, both directly through the additive process and indirectly through more efficient, agile supply chains.

      One way that VulcanForms, and AM in general, promotes sustainability is through material savings.

      Many of the materials VulcanForms uses, such as titanium alloys, require a great deal of energy to produce. When titanium parts are 3D-printed, substantially less of the material is used than in a traditional machining process. This material efficiency is where Hart sees AM making a large impact in terms of energy savings.

      Hart also points out that AM can accelerate innovation in clean energy technologies, ranging from more efficient jet engines to future fusion reactors.

      “Companies seeking to de-risk and scale clean energy technologies require know-how and access to advanced manufacturing capability, and industrial additive manufacturing is transformative in this regard,” Hart adds.

      LiquiGlide: Reducing waste by removing friction

      There is an unlikely culprit when it comes to waste in manufacturing and consumer products: friction. Kripa Varanasi, professor of mechanical engineering, and the team at LiquiGlide are on a mission to create a frictionless future, and substantially reduce waste in the process.

      Founded in 2012 by Varanasi and alum David Smith SM ’11, LiquiGlide designs custom coatings that enable liquids to “glide” on surfaces. Every last drop of a product can be used, whether it’s being squeezed out of a tube of toothpaste or drained from a 500-liter tank at a manufacturing plant. Making containers frictionless substantially minimizes wasted product, and eliminates the need to clean a container before recycling or reusing.

      Since launching, the company has found great success in consumer products. Customer Colgate utilized LiquiGlide’s technologies in the design of the Colgate Elixir toothpaste bottle, which has been honored with several industry awards for design. In a collaboration with world- renowned designer Yves Béhar, LiquiGlide is applying their technology to beauty and personal care product packaging. Meanwhile, the U.S. Food and Drug Administration has granted them a Device Master Filing, opening up opportunities for the technology to be used in medical devices, drug delivery, and biopharmaceuticals.

      In 2016, the company developed a system to make manufacturing containers frictionless. Called CleanTanX, the technology is used to treat the surfaces of tanks, funnels, and hoppers, preventing materials from sticking to the side. The system can reduce material waste by up to 99 percent.

      “This could really change the game. It saves wasted product, reduces wastewater generated from cleaning tanks, and can help make the manufacturing process zero-waste,” says Varanasi, who serves as chair at LiquiGlide.

      LiquiGlide works by creating a coating made of a textured solid and liquid lubricant on the container surface. When applied to a container, the lubricant remains infused within the texture. Capillary forces stabilize and allow the liquid to spread on the surface, creating a continuously lubricated surface that any viscous material can slide right down. The company uses a thermodynamic algorithm to determine the combinations of safe solids and liquids depending on the product, whether it’s toothpaste or paint.

      The company has built a robotic spraying system that can treat large vats and tanks at manufacturing plants on site. In addition to saving companies millions of dollars in wasted product, LiquiGlide drastically reduces the amount of water needed to regularly clean these containers, which normally have product stuck to the sides.

      “Normally when you empty everything out of a tank, you still have residue that needs to be cleaned with a tremendous amount of water. In agrochemicals, for example, there are strict regulations about how to deal with the resulting wastewater, which is toxic. All of that can be eliminated with LiquiGlide,” says Varanasi.

      While the closure of many manufacturing facilities early in the pandemic slowed down the rollout of CleanTanX pilots at plants, things have picked up in recent months. As manufacturing ramps up both globally and domestically, Varanasi sees a growing need for LiquiGlide’s technologies, especially for liquids like semiconductor slurry.

      Companies like Gradiant, Via Separations, VulcanForms, and LiquiGlide demonstrate that an expansion in manufacturing industries does not need to come at a steep environmental cost. It is possible for manufacturing to be scaled up in a sustainable way.

      “Manufacturing has always been the backbone of what we do as mechanical engineers. At MIT in particular, there is always a drive to make manufacturing sustainable,” says Evelyn Wang, Ford Professor of Engineering and former head of the Department of Mechanical Engineering. “It’s amazing to see how startups that have an origin in our department are looking at every aspect of the manufacturing process and figuring out how to improve it for the health of our planet.”

      As legislation like the CHIPS and Science Act fuels growth in manufacturing, there will be an increased need for startups and companies that develop solutions to mitigate the environmental impact, bringing us closer to a more sustainable future. More