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Observed reductions in rainfall due to tropical deforestation

  • RESEARCH BRIEFINGS
  • 01 March 2023

Tropical deforestation affects local and regional precipitation, but the effects are uncertain and have not been determined using observations. Satellite data sets were used to show reductions in precipitation over areas of tropical forest loss, with stronger reductions seen as the deforested area expands.

Tropical deforestation causes large reductions in observed precipitation

Coastal algal blooms have intensified over the past 20 years