Coca leaves have been consumed for thousands of years
Used as an appetite suppressant, as an energizer or as a medicine in South America, coca leaves are not just for making cocaine.
Why the Red River in Spain fascinates scientists
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