California

"The historic Pioneer Cabin Tree, a former 'drive-through' giant sequoia in Calaveras Big Trees State Park in Calaveras County, was felled in California's weekend storms."

"Americans have had one primary reason for building dams over the past century: capturing water for growth, whether on farms or in cities. Now a new dam proposed on California’s Bear River offers another reason: adapting to climate change."

"Droughts are already getting longer and more severe because of human-caused climate change in the American Southwest and around the world. But the drought-climate connection goes both ways: California's prolonged dry spell has also made climate change a little bit worse."

"Foreign governments concerned about climate change may soon be spending more time dealing with Sacramento than Washington."

"The city of Clovis won its more than three-month-long civil trial against chemical manufacturing giant Shell Oil Co. over the cleanup of a toxic chemical found in drinking-water wells around the city of 108,000 people."

"There are warning signs that some forests in the western U.S. may have a hard time recovering from the large and intense wildfires that have become more common as the climate warms."

"The California Energy Commission has passed sweeping energy-efficiency standards for computers and monitors in an effort to reduce power costs, becoming the first state in the nation to adopt such rules."

"Californians relying on small water utilities to bring drinking water into their homes, or who work or go to school in places providing their own water, are far more likely to be exposed to lead, according to a new analysis of Environmental Protection Agency data by The Desert Sun and USA TODAY."