Afforestation in Norway can increase local temperatures in spring by as much as 1 ^oC. 

Forests do not only affect the climate, but also the people nearby, climate researcher Hanna Lee writes.

The idea of planting trees can easily be misinterpreted. There is a difference between afforestation, reforestation and forest restoration.

There’s something a lot of people don’t know about soil. 

Planting trees to mitigate climate change is useful in the tropics. At higher latitudes trees can have a warming effect.

Podcast: Uncontrolled logging is taking its toll on wildlife and climate. Does planting trees work the other way around?

In Hanna Lee's childhood South Korea, afforestation was a happy success story. As a climate researcher, she has realized that planting trees is not always good.