Portrait of Wangari Maathai
She was the first African woman to receive the Nobel prize. Here's the extraordinary story of Wangari Maathai, one of the world's most important ecologist.
These people joined the "fertile disobedience" movement to protect nature
This is one of the most invasive aquatic plants in the world
How to make your own zero-waste lip balm
Behind the scenes: Activists crash the Louis Vuitton show
SUVs are a major source of pollution
The Iberian lynx is no longer critically endangered