Climate models suggest that global warming could dramatically increase rainfall in the Sahara and other parts of Africa. Credit: Shutterstock The Sahara Desert is known as one of the driest places on Earth, receiving only about 3 inches of precipitation each year -- roughly one-tenth of what falls in Chicago. However, new research from the University of Illinois Chicago (UIC) suggests that this could change dramatically within the next few decades. By the latter half of the 21st century, rising