This year's wildfire season in California shows signs of influence from climate change.
Scientists are split over whether local safeguards can save some of the world’s most spectacular coral reefs.
Conditions behind California's drought and warm coastal waters were mostly natural, but not entirely.
California’s Central Valley has three times more freshwater in underground aquifers than previously thought.
Nearly 400 scientists are asking President Obama to halt oil and gas leasing in the Arctic Ocean.
Global warming and the whims of the weather mean California remains in drought despite the El Niño.
Carbon dioxide could play a significant role in the climate impacts of thawing permafrost.
Hurricanes supercharge forests' ability to store carbon, Duke University researchers have found.