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
Share:
Our Impact
The Big Picture
Explore and monitor how Biodiversity is affecting economies, industries and global issues
Crowdsource Innovation
Get involved with our crowdsourced digital platform to deliver impact at scale
Stay up to date:

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

Don't miss any update on this topic

Create a free account and access your personalized content collection with our latest publications and analyses.

License and Republishing

World Economic Forum articles may be republished in accordance with the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License, and in accordance with our Terms of Use.

The views expressed in this article are those of the author alone and not the World Economic Forum.

Related topics:
One Trillion TreesBiodiversityClimate ChangeFuture of the Environment
Share:
Global Agenda

The Agenda Weekly

A weekly update of the most important issues driving the global agenda

Subscribe today

You can unsubscribe at any time using the link in our emails. For more details, review our privacy policy.

These start-ups are helping women while reforesting Africa

Stefan Ellerbeck

February 28, 2023

1:49

About Us

Events

Media

Partners & Members

  • Join us

Language Editions

Privacy Policy & Terms of Service

© 2023 World Economic Forum