The Desert's Shocking Growth Rate The Sahara Desert has expanded by approximately ten percent since 1920, according to ...

The Earth has diverse climates, categorized into five main zones: i.e., Tropical, Dry, Temperate, Continental, and Polar.

CATHEDRAL CITY, Calif. (AP) — Crews in mountain and desert towns worked to clear away mud and debris Tuesday in the aftermath of the first tropical storm to hit Southern California in 84 years. The ...