Southwest Climate News

UCLA scientists predict Southern California mountains will lose 40 percent of their snowfall in less than 30 years, risking the loss of a quintessential "only in L.A." experience: skiing the mountains by day and riding the surf at sunset.

Environmental and community groups are looking for ways to replace the $500 million for energy conservation, transportation and other green programs that Gov. Jerry Brown persuaded the Legislature in mid-June to borrow to balance the state budget.

State and federal firefighters across California are preparing for what they say could be one of the most violent fire seasons in decades.

Skiing in the mountains of Southern California is already a dicey proposition, and by mid-century, L.A. skiers might have to look elsewhere for turns.

The nitrogen cycle in the world’s oceans could be thrown out of whack for centuries or longer due to the rapid climate change caused by the emission of greenhouse gases.

After a string of 90-degree days and with wildfires burning across the state, Boulder County and city of Boulder officials on Wednesday announced a series of restrictions and regulations aimed at dampening fire danger locally.

Cuts in diesel emissions have drastically reduced the amount of pollutants in the air that cause global warming in California, potentially valuable information in the fight to save the world's climate from a predicted catastrophe, according to a new study.

Climate change is helping warm Lake Tahoe's cobalt blue waters, which could complicate efforts to maintain its famed clarity, said one of America's most respected scientists and an expert on the Sierra lake.

One morning in early February, climate scientist Ken Caldeira stood ankle deep on Australia's Great Barrier Reef. He and his research team were attempting to re-create the conditions before carbon dioxide emissions from cars and factories began altering ocean chemistry.

Gov. Jerry Brown and California lawmakers have cleared the air by announcing a budget accord, but environmental groups are choking on a piece of the deal that would borrow half a billion dollars intended for programs to curtail greenhouse gases.