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

The Sahara Desert has grown by nearly 10 percent since ... But, as the desert spreads, land for farming gets less, making food hard to find. Less land for farming, overgrazing, and cutting down ...

Dust from the Sahara desert travels to underwater caves in the ... take minerals from the ground and light from the sun to become the biggest food source in the ocean. It blooms everywhere growing ...

The Sahara is the largest hot desert on Earth, covering 3.5 million square miles - an area roughly the size of the United States or China. It stretches across 11 countries: Morocco, Algeria ...