Articles on Africa

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Visualization of the Tropical Rainfall Measuring Mission satellite in space over a tropical cyclone. NASA

We use satellites to measure water scarcity

Climate change threatens the water supply of nations around the world. But it's difficult to measure whether a region has sufficient water to satisfy the people who live there. Could satellites help?
Nigerian soldiers clearing Boko Haram camps in Borno State. The government has contracted private security companies to help. EPA/Stringer

Peeling back the layers on the role of private security companies in Africa

Private military and security companies are increasingly being contracted in Africa. But there are big gaps in understanding their impact.

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