Cleaner air is making marine clouds dimmer and oceans warmer, revealing a hidden climate trade-off as pollution declines.

Eleven years ago, almost 100,000 acres of forest burned in the American River watershed, according to the Placer County Water ...

Mercury treaty summit criticized for inaction on gold mining crisis - A global mercury summit in Geneva has faced criticism ...

Welcome to Heber Springs, Arkansas – a lakeside paradise where stress seems to dissolve into the waters of Greers Ferry Lake and your wallet somehow stays fuller than it would in the big city. This ...