A plan that brings governments, NGOs, and local groups together is the best way to fight Sahara Desert growth. It ensures the environment stays healthy and people’s lives improve. The post Why ...

Saharan sand contains radioactive isotopes of plutonium and cesium that can be transported from the great African desert to ...

The use of solar ovens by Saharan nomads greatly minimizes their environmental impact by removing the necessity for wood or ...

David Mattingly heads a team of scholars on the Desert Migrations Project, whose work takes us to prehistory. They are time travelers who use four-wheel-drive vehicles to navigate the Sahara ...

The year is marked by changes in the weather, ecology, and amount of daylight, and these changes result from earth's orbit around the sun and earth's axial tilt relative to the ecliptic plane.