After a long fight, officials in California adopted stronger fire-safe landscaping rules within five feet of a home.

The West Coast is home to one of the busiest freight corridors in the United States, and it’s getting cleaner.

California’s Air Resources Board will start tracking estimates of the climate-warming methane that bubbles up from the state’s dams and reservoirs.

Scientists have found that climate pollution from the fossil fuel industry is significantly worsening the water crisis in California and the western United States.

What we wear can affect how the body handles extreme heat, but there’s no single “best” fabric

With days left in the legislative session, California lawmakers are considering several high-stakes energy and environment bills.

A Peruvian court has convicted four men of murder for hire and sentenced them to up to 35 years in prison for the 2023 killing of an Indigenous Kichwa leader.

Scientists have recorded the highest temperature ever measured in the world’s oceans

The state of Nevada is suing to challenge the Trump administration’s new plan for dealing with water shortages along the Colorado River.

The Trump administration has released a detailed water-saving plan for the Colorado River, where reservoirs have been dropping dramatically.