Young umbrella acacia trees in Africa survive severe drought by putting their natural processes into overdrive when water is ...

Young umbrella acacia trees in Africa survive severe drought by putting their natural processes into overdrive when water is ...

Young umbrella acacia trees in Africa survive severe drought by putting their natural processes into overdrive when water is in short ...

Contributing writer Chris Colin travels halfway around the world with his family to take a first-of-its-kind safari, and ...

Elephants around Lake Manyara in Tanzania were killing acacia trees by ripping off bark and leaving “pale ghostly white ...

In the Valley of the Nile, since long before the days of the pharaohs, Egyptian farmers have relied on the annual floods to ...