Erosion transports the fragments away. Working together they create and reveal marvels of nature from tumbling boulders high in the mountains to sandstone arches in the parched desert to polished ...

The fast-growing perennial from Africa and Asia was introduced to Arizona in the 1930s to feed livestock and control erosion. It has since exploded into a major threat to the desert ecosystem by ...

Africa's largest natural arch is located deep in the remote Sahara Desert, on the Ennedi Plateau in Chad, and reaching it is ...

R. & Newton, A. C. "A systematic review of species performance and treatment effectiveness for revegetation in the Mojave Desert, USA," in Arid Environments and Wind Erosion, eds. A. Fernandez ...

The Sahara Desert has grown by nearly 10 percent since 1920. This shows a pressing environmental issue affecting the area. It now covers about 3.6 million square miles (9.4 million square ...

Desertification close desertificationThe spread of desert conditions in arid regions due to human activities, drought or climate change. is the process of land turning into desert as the quality ...