Rainfall: a new way to look at trees for climate mitigation

A side event at the UN climate change conference now underway in Paris (COP21

'Alone', a photo by Yudha Lesmana, was finalist in the XIV World Forestry Congress photo competition. http://bit.ly/1OjlqSp
‘Alone’, a photo by Yudha Lesmana, was finalist in the XIV World Forestry Congress photo competition. http://bit.ly/1OjlqSp

) urged a new, easier-to-understand way to discuss trees and climate change mitigation: Rainfall.

Rainfall made through evapotranspiration from plant matter cools

the air around, since plants use heat energy to release water into the atmosphere.  And a tree is more cooling than short vegetation; it uses 100–200 mm more water per year.

But the story is much more interesting, thanks to air currents that transport moisture from one place to another.

Read more. . .

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