One Trillion Trees

How would planting 8 billion trees every year for 20 years affect Earth’s climate?

Through photosynthesis, trees and other plants transform carbon dioxide from the atmosphere into carbohydrates. Image: REUTERS/Carlos Garcia Rawlins

Karen D. Holl

Professor of Environmental Studies, University of California, Santa Cruz


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One Trillion Trees

Clearing the Amazon rainforest for livestock farms in Brazil in 2017.
The Amazon rainforest is an example of mass deforestation. Image: Brazil Photos/LightRocket

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Related topics:

One Trillion TreesBiodiversityClimate ChangeFuture of the Environment


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