Expanded development on Washington’s Olympic Peninsula, viewed as a climate refuge, is encroaching on prime wildlife habitat. As big cats find it harder to avoid people, many are winding up dead.
We have certain expectations of snow. We generally think it will be white, but in parts of coastal Antarctica the snow takes on a bizarre shade of bright green. It's a color we may be seeing more of as a warming climate impacts the land of ice.
Emissions from transportation are going up, not down in California, a sign that cleaner and more fuel-efficient cars have been unable to overcome population growth, a growing economy and suburban sprawl.
With its eco-chic hotels, yoga retreats, Mayan ruins, luscious jungles and turquoise ocean, the Mexican town of Tulum has become the new bohemian hotspot. But at a devastating cost to the environment.