The polar bear is among the earliest and most dramatic victims of global warming. Yet Andrew Wetzler, a Chicago-based wildlife attorney for NRDC, sees good news in recent U.S. proposals to protect them.
A tree that holds a special place in the western United States is being wiped out by a beetle infestation. But the real culprit behind their destruction is climate change. Scientist Jesse Logan explains why.
Parts of California’s second-longest river have run dry for 60 years. This week, water will flow once again through the storied San Joaquin. Soon, if all goes well, salmon will follow.