Gov. Gavin Newsom will speak at a climate summit of mayors and governors hosted by Pope Francis at the Vatican in May.
Indigenous Californians want President Biden to establish a national monument in a stretch of desert that is both an ecological wonder and a window into their cultures.
https://www.latimes.com/environment/story/2024-04-28/chuckwalla-national-monument-proposal
Los Angeles County Supervisor Janice Hahn drafted an opposition response to a proposal to shoot Catalina Island's invasive mule deer population from helicopters.
In California and beyond, responsibly managing and conserving mature forests is far more important to reducing atmospheric levels of carbon.
As climate change intensifies hurricanes, some scientists want a Category 6 for the biggest storms
Gov. Gavin Newsom said Thursday that California continued to rapidly add the battery storage that is critical to the transition to cleaner energy, but admitted it was not enough to avoid blackout...
Despite considerably back-to-back rainy winters in California, new research finds the region has seen much wetter years in the last 3,000 years. Experts worry that variability, coupled with clima...
Vector control officials in Southern California are starting to release sterilized male mosquitoes to combat the summertime onslaught of ankle biters.
After identifying remnants of bird flu virus in grocery store milk, federal officials insist the nation's milk supply is safe.
The Port of Oakland is home to the United States' first commercial hydrogen fuel station for big-rig trucks. It's a step on the road to cleaner trucking.
L.A., Orange, Riverside and San Bernardino counties received a failing grade on air quality from the American Lung Assn. Again.
California has increased water allocations to 40% of full allotments from the State Water Project. Officials say environmental regulations have limited pumping.
Southern California steelhead trout have been pushed to the brink of extinction as their river habitats have been altered by development and fragmented by barriers and dams.
https://www.latimes.com/environment/story/2024-04-23/southern-california-endangered-steelhead-trout
A jury sided with a former State Parks employee who said the agency treated him unfairly in part due to his Mexican heritage, awarding him $2.3 million.
State officials unveiled 81 targets to transform millions of acres in the Golden State into landscapes that can absorb more carbon than they release by 2045.
McKinley Elementary has designs to modernize its campus. But plans are being delayed, and costs are rising since dangerous vapors were found in the soil.
Giant sun shades, 40-foot-tall air filters, stratospheric sulfur injections: Here are some of the wild and wondrous ways we might save the planet.
North America's 2021 fire season, including massive Northern California blazes, was made worse by a supercharged heat dome. What did the supercharging? Climate change.
https://www.latimes.com/environment/story/2024-04-22/climate-change-heat-dome-study
California has released 500,000 salmon into the Klamath River. As dams are removed, the fish will be some of the first to return to a free-flowing river.
https://www.latimes.com/environment/story/2024-04-21/klamath-river-salmon-released
A flood of cheap Chinese electric car exports has raised the specter of another trade war with the U.S. And it has Tesla worried.
https://www.latimes.com/world-nation/story/2024-04-19/china-ev-war-tariffs-tesla
Disney had previously committed to ditching gasoline engines but left open hybrids as a possibility.
California has set a limit for the toxic heavy metal hexavalent chromium in drinking water. Advocates have called for a stricter limit, warning of health risks.
https://www.latimes.com/environment/story/2024-04-18/california-chromium-6-water
News that Midwestern dairy cows may have become infected with avian flu by eating poultry waste has many asking: What are American farm animals being fed? And should we be concerned?
California's water board has for the first time put a farming region on probation for failing to adopt measures to curb excessive pumping of groundwater.
https://www.latimes.com/environment/story/2024-04-16/california-tulare-lake-groundwater-probation
The drive to electrify personal cars in California has, at best, hit a rough patch. The big question is whether current conditions will turn out to be growing pains.
Angel Alba, who worked at Malibu-area state parks, alleges his supervisors denigrated him for being Mexican and retaliated when he complained.
Newly discovered damage in Glen Canyon Dam would require releasing less water at low reservoir levels — a problem that increases water risks in the Southwest.
https://www.latimes.com/environment/story/2024-04-16/glen-canyon-dam-damaged-colorado-river
Los Angeles, Portland and other progressive cities are still powered by faraway coal plants. We went to Montana to find out why.
Current conditions are promising, but L.A. must maintain its ethos of conservation and prepare for an inevitable return to dry times ahead, LADWP officials say.
https://www.latimes.com/environment/story/2024-04-15/is-l-a-ready-for-the-next-drought
As the avian flu continues to threaten poultry farms and wildlife, are factory farms a sitting duck?
The women who started ChargerHelp are driven to succeed and to train a workforce of people who are often overlooked. They're also addressing a major issue with EV charging in California: reliabil...
Officials have decided to ban salmon fishing on the California coast for a second year. Salmon populations have dropped after the state's last drought.
https://www.latimes.com/environment/story/2024-04-11/coastal-salmon-fishing-banned-for-a-second-year
The pup could become Aquarium of the Pacific's first surrogate-raised otter to return to the wild — if she masters the skills needed to hack it in the ocean.
https://www.latimes.com/environment/story/2024-04-11/surrogate-otter-program-long-beach-aquarium
Environmental regulators have found explosive levels of methane in a popular Berkeley park. Regulators and the city are sparring over the source of the gas and what to do about it.
The Metropolitan Water District, which delivers imported water to Southern California, is raising rates and property taxes to cover rising costs.
https://www.latimes.com/environment/story/2024-04-10/la-enviro-metropolitan-water-rates-taxes
With an average surface temperature of 57.45 degrees, last month was warmer than any previous March on record, according to European climate officials.
The EPA has issued federal limits on dangerous "forever chemicals" in drinking water, which it says will save thousands of lives and prevent serious illnesses.
Environmental and community groups want the state to turn down Phibro-Tech for a renewed permit for its Santa Fe Springs facility.
Environmental groups are urging water managers to scale back pumping until juvenile salmon and steelhead have finished migrating through the delta and into San Francisco Bay.
Assembly Bill 1963 would sundown the use of the herbicide paraquat, which has been linked to Parkinson's disease and other health issues, beginning in January 2026.
More than a third of the Navajo Nation lacks running water. As the tribe nears a pact with Arizona over water rights, a California nonprofit looks to help.
An abandoned train track could be transformed into a 307-mile hiking, cycling and horseback pathway through California's remote North Coast, along the Eel River and towns such as Fortuna.
The relationship between snowfall and climate change is not as simple as it might first appear.
Poppies across Southern California aren't popping, even as other bright flowers blanket the region. Here's why — and how you can marvel at a different wildflower this year.
Federal authorities say they have broken a long-running California fraud ring that used sophisticated software to cheat on automobile smog tests.
Between 2018 and 2022, the Bay Area's carbon emissions fell by 1.8% each year, which Berkeley researchers attribute to drivers switching to electric vehicles.
Animal rights activists are promoting a ballot initiative that would ban factory farming in Sonoma County. Large farming interests are not happy.
Protecting Los Angeles County from 14 different climate change impacts will cost taxpayers at least $12.5 billion by the end of 2040, according to new research.
Temperatures on Thursday are expected to drop 20 degrees in some areas from Wednesday's highs as a cold storm blows across California. Some regions could feel historic low temperatures.
Despite its environmental reputation, California emits more of a climate-warming pesticide than all other states combined, mostly from termite fumigation.
California Gov. Gavin Newsom has released new a plan outlining state goals for improving water management and adapting to climate change.
https://www.latimes.com/environment/story/2024-04-02/newsom-releases-new-california-water-plan
The heating and cooling technology reduces the costs and emissions that contribute to climate change. But bureaucracy can stand in the way of available incentives.
As part of California's climate credit program, gas and electric utility customers will receive money off their bills this month.
https://www.latimes.com/california/story/2024-04-01/californians-gas-electricity-credits-april
The latest back-to-back water years have become the wettest on record for Los Angeles since the late 1800s, with more than 52 inches falling since October 2022. And officials say more is on the w...
California has an above-average snowpack and the state's reservoirs are mostly filled, bringing a substantial boost to water supplies.
https://www.latimes.com/environment/story/2024-04-01/california-snow-water-supplies
Captains of fishing boats on the California coast are bracing for salmon fishing to be severely restricted — or possibly canceled for a second year.
https://www.latimes.com/environment/story/2024-03-31/california-salmon-fleet-fishery-struggles
The federal regulations don't mandate electric trucks or school buses, unlike California's tougher standards. But the EPA's rules will curtail a billion tons of greenhouse gas emissions each year...
The Easter weekend storm moving into Southern California is expected to create hazards across the region, with possible flooding, thunderstorms, heavy snow and strong winds.
Approving two proposed killer whale species could transform how they're conserved. It would also turn a new page in one of the strangest chapters in marine mammal history.
It pays to rattle more, bite more often and inject more toxin on an island where rattlesnakes could be trampled or stomped to death by imported goats, pigs, bison and deer, according to a study p...
Much of the Colorado River's water is used for agriculture. A new study shows 46% of the water that is diverted is used to grow hay to feed cattle.
https://www.latimes.com/environment/story/2024-03-28/alfalfa-hay-beef-water-colorado-river
The state water board knows California is facing a hotter, drier future, but it's letting urban utilities ignore appropriate 'water budgets' for a decade or longer.
https://www.latimes.com/opinion/story/2024-03-28/california-water-conservation-state-law-drought
The California Restaurant Assn. and Berkeley have agreed to a settlement halting enforcement of the city's ban on natural gas appliances after a lengthy legal battle.
The federal government has proposed a plan to shoot 500,000 barred owls to save another owl species that inhabits California. Foes say it's a reckless plan.
Researchers suspect that starvation may have killed half off all gray whales off the Pacific Coast of North America. What happened to their food source?
Concerns about the endangered desert pupfish delay Colorado River conservation plans in Imperial Valley
Another storm will bring more rain to most of Southern California this weekend, with officials warning of a moderate risk of significant flooding.
Blistering global temperatures have one NASA scientist warning: 'We could be in uncharted territory.' Others aren't so sure.
Beavers create unburned islands where plants and animals can shelter from megafires, research has confirmed. A movement is afoot to reintroduce the rodents to the state's waterways.
https://www.latimes.com/environment/story/2024-03-26/beavers-can-help-mitigate-megafires-california
A potentially significant storm could arrive in Southern California this weekend, a rarity for this time of the year, the National Weather Service says.
A woman was rescued from the L.A. River as powerful bursts of hail hit areas including Santa Monica, downtown L.A., Pasadena, Monrovia and Covina.
This is the third geomagnetic storm to reach G4 status during the current 11-year solar cycle, which began in 2019, officials said.
Reservoirs have been drained as the nation's largest dam removal effort advances on the Klamath River, and an effort to restore the watershed is taking root.
https://www.latimes.com/environment/story/2024-03-24/klamath-river-restoration
Lighting at some local Los Angeles landmarks will go dark from 8:30 to 9:30 p.m. Saturday in observance of Earth Hour, an annual event promoted by the World Wildlife Foundation.
Gusty winds and rainy conditions will continue across Southern California this weekend, with intermittent showers expected through Sunday morning.
https://www.latimes.com/california/story/2024-03-23/gusty-conditions-to-continue-this-weekend
The Department of Water Resources doubled its forecasted allocation from 15% to 30% due to strong winter storms, the agency announced Friday.
Ex-Gov. Arnold Schwarzenegger and actor Jane Fonda joined Gov. Gavin Newsom and environmentalists calling to uphold the state's oil drilling restrictions.
https://www.latimes.com/environment/story/2024-03-22/schwarzenegger-fonda-newsom-oil-drilling-limits
Cal/OSHA has voted to adopt new heat illness prevention standards for indoor workers, despite the objections of state finance officials.
When conventional farms are bordered by organic crops, conventional growers use more pesticide to keep insects at bay, study says.
The challenge in Mexico City, built amid lakes by the Aztecs, had long been getting rid of water, not storing it. Now its taps are running dry.
https://www.latimes.com/world-nation/story/2024-03-21/mexico-city-taps-run-dry-water-crisis
A U.S. EPA rule would require car manufacturers to increase sales of electric vehicles while cutting carbon emissions from gasoline-powered vehicles.
Among the Napa Valley luminaries whose county records have been subpoenaed in a secretive federal probe are the owners of Hall Wines, Caymus Vineyards, Alpha Omega, The Prisoner — and the list ...
California regulators adopted a plan to keep more water in tributaries of the San Joaquin River to help struggling fish. A court has upheld that decision.
Sequoia and Kings Canyon National Parks topped the list of national parks with the unhealthiest air in the country, followed by Joshua Tree National Park.
The study, sponsored by the freight truck industry, adds to concerns over government mandates. But government officials say the move away from fossil fuels will have economic benefits.
The recent rains have made 2024 a fabulous year for flowers — just in time for spring garden tours around Southern California. Here's a list of intriguing tours.
A new report from CalPIRG reveals that that almost no Amazon packaging gets recycled. Instead, it ends up in a landfill.
Last year's York fire has sparked discussion about how to deal with conflagrations in the Mojave National Preserve.
California is unlikely to meet its landmark greenhouse gas reduction goals unless it can increase emission reductions threefold, according to a new study.
Environmentalists are calling for federal intervention after 4,000 threatened fish were killed by pumps operated by the State Water Project and the Central Valley Project.
The average American throws out three times more trash today than in 1960, and what we squander is killing us. But we can choose differently.
https://www.latimes.com/opinion/story/2024-03-15/trash-garbage-plastic-landfill-climate-change
Where did the concrete come from? And how does the City of Long Beach plan to dispose of it?
A parasite that sickened 10 dogs and killed another in Southern California was found in the Colorado River in Blythe, its first known presence in the state.
The Low Carbon Fuel Standard encourages use of renewable diesel from biomass. But it could encourage deforestation for energy crops such as soybeans and canola.
Federal regulators are requiring S&W Atlas Metal & Iron, one of Los Angeles' oldest metal recyclers, to upgrade its stormwater treatment system.
California water regulators have eased requirements for urban water suppliers to meet conservation goals under proposed regulations.
With water rates rising, many are struggling to pay. A Senate bill would establish a permanent program to help low-income customers who are falling behind.
Proposed legislation seeks to reintroduce wolverines to California, which lacks a permanent population of the protected animals.
Advocates say the decline of the burrowing owl in California has accelerated. They want the state to add the bird to the endangered or threatened list.
Calls are growing for the closure of Chiquita Canyon Landfill, yet experts say that shutting the facility down won't solve the problem.