Future of the Environment

How trees make oxygen, and other ways they are vital to human existence

A tree, light shining though leaves

Trees are the main reason humans breathe. Image: Unsplash/Jan Huber

Eva Hagan
Writer, Green Matters
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Future of the Environment

A woman in a park surrounded by trees
Douglas fir, spruce, true fir, beech and maple trees produce the most oxygen. Image: Getty Images

A forest.
Higher levels of green space and exposure to trees can lead to fewer symptoms of depression, anxiety, and stress. Image: Getty Images

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How is the World Economic Forum fighting the climate crisis?

A tree at twilight
Shaded areas can lower surface temperatures from 20-45 degrees. Image: Getty Images

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Related topics:
Future of the EnvironmentClimate and NatureClimate Change
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