UCLA researchers have released an alarming new finding — the duration of heat waves is increasing faster than global warming ...

A federal judge has ordered the Trump administration to halt indiscriminate immigration stops and arrests in Southern ...

Federal immigration authorities say they've arrested about 200 immigrants suspected of being in the country illegally during ...

Wildfires are now a consistent threat. Learn how to rebuild stronger, smarter, and safer to better withstand the next ...

Follow the latest Climate Change news stories and headlines. Get breaking news alerts when you download the ABC News App and subscribe to Climate Change notifications.

Nearly a century ago, L.A. County suffered the deadliest dam failure in U.S. history. Design flaws caused the St. Francis Dam ...

The combined effects of climate change and air pollution have led to direct declines in precipitation in the U.S. Southwest, ...

A study released by UCLA on Monday suggests that the world's heat waves are not only increasing in frequency but getting ...

In Southern California, large warehouses must take steps to reduce the pollution caused by truck visits, either by switching ...

A sweeping reform to the California Environmental Quality Act has divided environmentalists and climate advocates.

Deadly floods like Texas’ are rare in California, but climate change-fueled storms could make them more likely, climate ...

"If the rate of warming stays the same, the rate of our adaptation has to happen quicker and quicker, especially for the most extreme heat waves, which are changing the fastest," Neelin said in a ...