From why millennials are ditching Palo Alto for the silicon savannah, to how a deadly mix of politics, drought and ancient livelihoods caused violence in Northern Kenya.

The race to save Africa’s vultures

The sharks that saved a town

Kenya stages largest ivory burn in history

Can VR convince us to save the world?

Olympic dreams for Kenya's refugees

Why millennials are heading for a wilder tech city

How demand for sand is killing rivers

Laikipia in the balance

How to move 500 elephants

These high school girls have something to cheer about