Beautiful Earth Gallery - NASA Science
Lake Chad, Africa; February 7 and 11, 2004. Once serving as part of the floor for a much larger Lake Chad, the area now known as the Bodele Depression, located at the southern edge of the Sahara Desert in north central Africa, is slowly being transformed into a desert landscape. In the mid-1960s, Lake Chad was about the size of Lake Erie. But persistent drought conditions, coupled with increased demand for freshwater for irrigation, have reduced Lake Chad to about 5 percent of its former size
This "Green Machine" mobile city fertilizes the Sahara Desert as it moves
This “Green Machine” mobile city fertilizes the Sahara Desert as it moves. Equipped with nine large balloons that collect water through condensation and store it – in part for irrigation and in part to sustain people living on the machine, and large solar towers that capture the sun’s energy, the city addresses the multi pronged issues of overpopulation, food scarcity, and water shortages. #solar #solarenergy