Across southeastern Liberia, oil palms grow wild in the forest. Known as “country palm,” the Elaeis guineensis tree is native ...

In some Amazon rivers in Brazil, cases of diseases related to inadequate basic sanitation, such as malaria and acute diarrhea ...

The latest photo challenge calls for you to take and send in your best pictures of trees. Here's how to enter.

Mount Kilimanjaro, standing at 5,895 meters, offers climbers a unique journey through five distinct climate zones, ranging ...