Light pollution has long troubled astronomers, who generally shy away from deep sky observing under full Moon skies. The ...

Local officials seek collaboration with neighboring municipalities to secure resources and develop long-term solutions.

Human-caused climate change was responsible for about a quarter of the fuel available for the wildfires that have devastated the Los Angeles area ... the “atmospheric river” storms that ...

A new map has been released by scientists that shows the US regions that are most vulnerable to climate change disasters.

Back-to-back atmospheric river storms are set to hit Los Angeles County this week — giving the region much-needed moisture ...

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

Environmental groups are applauding a Los Angeles Superior Court ruling they say strengthens stormwater regulations at the Santa Susana Field Lab, limiting toxins and radioactive waste in the Los ...

Pacific Coast Highway and the Pacific Palisades neighborhood are reopening to the public this weekend despite concerns from ...

Everything we know about the project’s escalating costs, delays, and potential federal funding cuts under Trump.

The Ventura County Fire Department is working with Ventura City Fire and Oxnard Fire on the brush fire in the river ... pollution may be overwhelming the body’s natural defenses." Former Los ...

A project to develop a six-acre park in western Long Beach received two state grants totaling $19.3 million, which advocates Wednesday described as “significant victory” for residents and the ...

The Phoenix mayor said withdrawing from the global agreement to fight climate change would harm public health and economic prosperity.