The Nile and the Sinai Peninsula photographed from space — looking at the world’s water problems from a higher perspective....
Study: most-accurate climate change models predict most-alarming outcomes
In this April 3, 2014 file photo giant machines dig for brown coal at the open-cast mining Garzweiler in front...
Fast and Getting Faster: The Verdict on Sea Level Rise from the Latest National Climate Assessment
Sea level rose more rapidly during the 20th century than during any of the previous 27 centuries, and humans bear...
An Unusual Partnership for People and Nature
The 17,351-acre Powderhorn Ranch in Calhoun County, one of the few remaining large tracts of intact native coastal prairie and...
Danger zone: Indiana produces 6th most toxic chemicals in USA
Photo: Indiana residents care more about the environment than you might think, a new poll suggests. Top among their concerns...