The Nile and the Sinai Peninsula photographed from space — looking at the world’s water problems from a higher perspective.…
In this April 3, 2014 file photo giant machines dig for brown coal at the open-cast mining Garzweiler in front…
Sea level rose more rapidly during the 20th century than during any of the previous 27 centuries, and humans bear…
Photo: Indiana residents care more about the environment than you might think, a new poll suggests. Top among their concerns…
Photo: The All American Canal, which carries Colorado River into the Imperial Valley in Southern California. California uses more Colorado…