The Pulitzer Prize winner, who's known as the "father of biodiversity," is a scientific superstar. But now he's trying to convince Congress to set aside half the earth as wilderness.
As the Colorado River dries out, the seven states that rely on this body of water risk water scarcity. Colorado state historian Patty Limerick discusses preparations for water scarcity in the West.
Five years ago, a massive tornado ripped through Joplin, Mo., killing 161 people. This week, Joplin will host leaders from other tornado-stricken cities to discuss the lessons they've learned.
The vast patchwork of islands on a delta where three rivers meet is home to hundreds of tigers and 4 million people. As climate change squeezes the land they share, is increased conflict inevitable?
On the small Indian island of Ghoramara, many people have never heard of climate change. It has forced tens of thousands of people to move after their homes were swallowed by rising tides.
Thermometers in the western city of Phalodi registered a sizzling 123.8 degrees Fahrenheit on Thursday. One resident told the BBC that it was so hot, his cellphone stopped working.