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.
How blue-footed boobies attract mates
French Guiana: agroforestry in the Amazonian forest
The Eden Project has been called the "eighth wonder of the world"
The "false solutions" to the climate crisis
How this atoll in the Philippines regained its biodiversity
This is an environmental success story