As California is pummeled by a string of atmospheric rivers, efforts to capture and treat stormwater face many hurdles.

Regulation directs insurance companies to reward consumers who take wildfire mitigation actions under the state's Safer from Wildfires framework.

Riverside and San Bernardino counties saw population gains as California overall lost nearly 262,000 residents between July 2020 and July 2021.

Logging and thinning trees isn't stopping wildfires, ecologists say. Focusing on homes can help avert more tragedies like Paradise and Greenville.

The call to dismantle the United States' vital weather department has raised the hackles of experts who say NOAA provides not only important free data but also life-saving information.

Transportation officials and drivers are waiting to see traffic and transit patterns altered by the COVID-19 pandemic offer clues to the future of commuting or mark only a temporary change in L.A.'s...

The Los Angeles Times is expanding its coverage of the environment with the debut of Climate California.

Soaring gas prices are one more challenge for residents heading into the second holiday season of the pandemic, with supply chain issues and inflation too.

As the destructive Caldor fire creeps closer to the popular resort area, the boaters, hikers and beach-goers who typically descend on South Lake Tahoe have all but vanished.

Experts say it's a necessary solution to staffing shortages, yet many workers say the policy could be dangerous.

The South Coast Air Quality Management District issued a particulate advisory through Tuesday for much of Southern California because of fireworks.

Diamond Valley Lake — a backbone of the region's water storage system — should refill to its full capacity by the end of this year, officials said.

Recurring drought and rising temperatures have already begun to alter the landscape of California and the American Southwest, researchers warn.

While the massive plume of moisture helped, experts said it will take much more than one storm to make a dent in the drought.

The move comes amid plans for deep newsroom cuts to stem the steep financial losses by the paper's owner, Dr. Patrick Soon-Shiong and his family.

From rising temperatures to species loss, there's so much at stake for children and the planet.

Bouts of extreme precipitation, along with worsening drought and heat, are creating more of the dangerous dust, experts say.

The incoming storm won't be the first time Southern California has seen snow, but it will mark a highly unusual weather pattern for the region.

New research warns of a possible collapse in Atlantic Ocean currents due to climate change. That could fundamentally alter global weather patterns.

In a report, L.A. City Controller Kenneth Mejia said L.A.'s climate plan lacks specifics and offers little in the way of meaningful metrics.

Diamond Valley Lake, an "inland ocean," is Southern California's prime defense against drought.

As wildfires ravage hundreds of thousands of acres across California, more is being learned about the damaging effects of their smoke.

As California is pummeled by a string of atmospheric rivers, efforts to capture and treat stormwater face many hurdles.

Despite a statewide mood of optimism, about 57 Californians are still succumbing to the novel coronavirus each day.

Uvalde survivors' stories: One fourth-grader said the shooter came into his classroom and said, 'It’s time to die.'

Making the Federal Emergency Management Agency formally recognize extreme heat and smoke would unlock crucial disaster relief funding during those events.

Elon Musk is known for being moody at times. But some former employees at SpaceX told the Wall Street Journal they could tell Elon Musk's mood based on the hair color of actress Talulah Riley, when...

Capturing rainfall is only one part of the L.A. River's job. It is also a flood control channel that is critical to protecting lives and properties when stormwaters surge.

A third year of severe drought forced California farmers to leave an estimated 752,000 acres of farmland idle this year, according to a new report.

Global average temperatures and CO₂ levels continue to soar. May was Earth's 12th consecutive hottest month on record, officials announced this week.

Despite the fire's growth, evacuation warnings were lifted for Arcadia residents, while six other areas are still being advised to be ready to leave.

Researchers are analyzing what microbes exist in the smoke and dust produced during wildfires.

The atmospheric river due to hit California in the coming hours is likely to compound the damage wrought by a deadly storm on New Year's Eve.

The stories of California's coronavirus victims are powerful reminders of the many ways a single life can touch others. “Numbers ain’t people,” one newspaper obituaries writer said. “You have to put...

OSHA is weighing national workplace heat rules that could save lives. Meanwhile, California has suffered billions in losses from soaring high temperatures.

Land barons seized control of the Tulare Lake Basin generations ago. This year's destructive flooding left troubling questions about the power they wield.

New research has found a 22% drop in humidity across the Southwest since the 1970s.

Earth has experienced 12 consecutive months of warming at or above 1.5 degrees Celsius — a threshold for avoiding the worst effects of climate change.

The L.A. Times began laying off 115 newsroom employees on Tuesday. Owner Dr. Patrick Soon-Shiong said the cuts were necessary to trim heavy financial losses.

Dry wells and contaminated drinking water mostly affect low-income communities of color. Experts say drought and climate change are making it worse.

Joshua trees are already struggling to reproduce in a warming climate. Replacing those lost in the York fire may be all but impossible, experts fear.

Climate warming has exposed an additional 31,400 square miles of forests to fire at higher elevations, where flames are scorching terrains that previously were too wet to burn.

Allegations have emerged that private firefighters may have set illegal backfires as preventive measures against the Glass fire.

Thousands of miles of California levees are feeling the strain of age, extreme drought and punishing atmospheric rivers.

The Camp fire in Paradise revealed vulnerabilities in forest management, electrical equipment, city planning and evacuations. Has the state made strides against those shortcomings?

With a global average temperature of 58.96 degrees, the year was nearly one-third of a degree warmer than the previous hottest year on record, according to officials.

The Las Virgenes Municipal Water District is looking to use new technology to harvest fresh water from deep in the ocean.

'They are in a firefight right now, because it's so close,' a fire official said of crews positioned at Mt. Wilson.

Deep splotches of dark red and purple signifying the worst levels of drought have been erased from California's map, thanks to a series of powerful storms.

Steve Curry, an experienced and inveterate hiker from Sunland, is believed to be the second person to die in Death Valley's searing heat this year.

Only 30 acres of L.A. County's 3 million acres have seen new green space added under the Safe Clean Water Program, a new report found.

Dry wells and contaminated drinking water mostly affect low-income communities of color. Experts say drought and climate change are making it worse.

More than 6 million Southern Californians will be placed under new drought rules today in an unprecedented effort to conserve water.

As calls mount to reform California’s antiquated water rights system, some are calling on lawmakers to address the system's legacy of racism.

Some initially feared that the victim was L.A.'s famed P-22. But the cougar was identified Thursday afternoon as P-97, an 18-month old male who had recently separated from his mother,

The call to dismantle the United States' vital weather department has raised the hackles of experts who say NOAA provides not only important free data but also life-saving information.

A skilled and sensitive practitioner of the written language, former Times editor Henry Fuhrmann has died after a brief illness, his family announced.

As governor of Minnesota, Tim Walz has passed dozens of climate and environment initiatives — many of which mirror California's own ambitious goals.

When it comes to stormwater capture, California stands out for "untapped potential," according to the Pacific Institute.

The L.A. County Board of Supervisors has adopted the county's first water plan, which outlines how the region must stop importing 60% of its water by 2045.

California's prisons are uniquely unprepared for climate change because of remote locations, aging infrastructure and overcrowding, experts say.

The snow comes as a much-needed surprise for the bone-dry West, where only months ago, officials put residents under a state of drought emergency.