Gray whale population drops by nearly 25% off U.S. West Coast

Researchers say the population of gray whales off the West Coast of the United States has fallen by nearly one-quarter since 2016, resembling a similar die-off two decades ago.

Biden to review Trump's downsizing of national monuments

President Joe Biden says he plans to review the Trump administration’s downsizing of two sprawling national monuments in the American Southwest.

Overnight flaring at Chevron Richmond refinery under investigation

Flaring on Saturday night at the Chevron refinery in Richmond is being investigated, the Bay Area Air Quality Management District said. 

Environmentalists move toward litigation over fuel break plan

Environmentalists intend to sue the U.S government to block plans to build up to 11,000 miles of fuel breaks they claim would violate the Endangered Species Act.

Trump vetoes Calif. fishing bill over seafood trade deficit

President Donald Trump has vetoed a bill that would have gradually ended the use of large-mesh drift gillnets used exclusively in federal waters off the coast of California.

Bay Area Air District reaches settlement with Chevron for Richmond refinery violations

The Bay Area Air Quality Management District and Chevron Inc. have reached a $147,000 settlement for more than two dozen violations at Chevron's Richmond refinery.

Air District discourages wood burning during Christmas, does not issue ban

The Bay Area Air Quality Management District is asking the region's residents to not burn wood during the Christmas holiday but is not issuing Spare the Air alerts that would ban it.

Emergency repairs planned for Pacifica pier and seawall

Emergency repairs are being made to the seawall and pier in Pacifica after recent King Tides created a void at the bottom of the seawall.

Air district issues second Spare the Air alert of winter season

The Bay Area Air Quality Management District has issued a Spare the Air Alert for Monday, meaning a ban on burning wood, fire logs, or any other solid fuel, both indoors and outdoors.

Biden introduces environmental team: 'No time to waste'

The team was assembled in hopes of steering the U.S. toward greater action to curb climate change and protect air and water.

Air pollution ruled as cause of 9-year-old's death in UK

A British coroner has ruled that excessive air pollution from traffic fumes contributed to the death of a 9-year-old girl who died of a fatal asthma attack.

Feds to delay seeking legal protection for monarch butterfly

Federal officials on Tuesday declared the monarch butterfly “a candidate” for threatened or endangered status, but said no action would be taken for several years because of the many other species waiting for that designation.

Endangered-species decision expected on beloved monarch butterfly

Trump administration officials are expected to say this week whether the monarch butterfly, a colorful and familiar backyard visitor now caught in a global extinction crisis, should receive federal designation as a threatened species.

Clean energy project in Nevada desert could be worth $3B

A company specializing in clean energy design has unveiled plans to build a carbon-neutral industrial park in the northern Nevada desert that it says would be the largest in the United States.

World carbon dioxide emissions decline record-setting 7% in 2020

The world will have put 37 billion U.S. tons of carbon dioxide in the air in 2020, the biggest drop year-over-year, ever.

California environmentalists blast federal oil lease sale

The seven parcels put up for bid by the Bureau of Land Management encompass more than 4,100 acres in Kern County.