The peaks above Yellowstone are turning a sickly gray as trees die from a beetle infestation. In an audio slideshow, OnEarth articles editor George Black describes the scene from a recent flyover.
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.
What does it take to get a pine tree on the endangered species list? NRDC ecologist Sylvia Fallon explains. She's fighting to save a fixture of Yellowstone and a major food source for grizzly bears.
What happens when the dusty files of the nineteenth century meet the bots and algorithms of the twenty-first? Perhaps a revolution in our understanding of the natural world.
With a vital food supply at risk because of climate change, the government could not have picked a worse time to remove the grizzly bear from the endangered species list