Climate

LOS ANGELES — Environmental Protection Agency Administrator Lee Zeldin Thursday committed the Trump administration to “a permanent, 100% solution to the decades-old Tijuana River sewage crisis” in a new agreement signed with …

Amid a string of setbacks for clean energy — tariffs, the Trump administration, Tesla’s declining sales numbers — California officials delivered a big win last month, approving the nation’s largest …

Rep. Troy E. Nehls, a Republican from Texas, backed by 17 co-sponsors from both political parties, introduced a resolution Wednesday that could mark the end of a plan to protect …

Oceanographer Anya Stajner was recently enjoying a sunset walk along the La Jolla Shores beach when a vibrant violet pop of color caught her eye in the sand. She got …

Seeking to avoid lengthy litigation, Southern California Edison said Wednesday it will offer to compensate Eaton fire victims directly for damages suffered, even though it has yet to formally concede …

The US Environmental Protection Agency is considering scrapping a landmark almost two-decade old legal opinion that greenhouse gas emissions are harmful to human health, the Washington Post reported. The so-called …

Damage claims from the Eaton wildfire in Altadena could wipe out the $21-billion fund California created to shield utilities and their customers from the cost of wildfires sparked by electric …

Misty Williams checks into the emergency room at Cedars-Sinai Medical Center from time to time for treatment of debilitating pain from sickle cell disease, which causes red blood cells to …

NEW YORK — The global switch to renewable energy has passed a “positive tipping point” where solar and wind power will become even cheaper and more widespread, according to two United Nations …

LOS ANGELES — UCLA researchers have launched 20 new air pollution monitors across northwest Los Angeles County to better understand how much fine ash and coarse dust are being kicked up in …