As thousands of peaceful demonstrators descended on Manhattan on Sunday to draw attention to a warming world, U.S. Secretary of State John F.

In the run-up to a United Nations summit this week aimed at combating climate change, a small but growing number of multimillion-dollar investors are demanding more aggressive steps to wean countri

A magnitude 2.6 earthquake was reported one mile from Palos Verdes Estates.

Amid soaring temperatures in Southern California, several people are treated for heat exposure
No relief from soaring temperatures in Southern California is expected until Wednesday

A shallow magnitude 3.4 earthquake was reported Sunday morning four miles from Napa, Calif., according to the U.S. Geological Survey. The temblor occurred at 1:56 a.m.

A shallow magnitude 2.6 earthquake was reported Tuesday morning two miles from San Fernando, according to the U.S. Geological Survey. The temblor occurred at 4:57 a.m.

Drought has altered landscape as it's depleted 63 trillion gallons of water across Western U.S., study says

Swiss corporate giant Nestle pledged broad new animal welfare standards for its worldwide suppliers Thursday, becoming the latest major food company looking to limit some of the harmful effects of

A shallow magnitude 3.8 earthquake was reported Wednesday evening 21 miles from Ridgemark, Calif., according to the U.S. Geological Survey. The temblor occurred at 9:33 p.m.

Too few residents near the Exide battery recycling plant in Vernon have had their lead levels tested