The Times tested for lead, mercury and other heavy metals in Altadena and Pacific Palisades. From respiratory problems to lung cancer, these are the risks of exposure.| Los Angeles Times
The last of the 'do not drink' notices in areas hit by the Eaton and Palisades fires were lifted Friday by state water officials.| Los Angeles Times
The federal cleanup of the Altadena and Pacific Palisades fires was in some ways a historic achievement. But many residents are worried that by moving fast, the results were compromised.| Los Angeles Times
Toxic algae killed hundreds of marine mammals near L.A. in the last year. Scientists suspected January wildfire runoff may be to blame, but new research says no.| Los Angeles Times
With limited resources and scarce information, L.A. fire survivors remain worried about contamination and unable to get environmental testing.| Los Angeles Times
20% of properties were still contaminated with lead after debris clean-up, the County found.| Los Angeles Times
The federal government decided not to test the soil of L.A.'s burn areas for hazardous substances. A Times investigation found high levels of lead and other heavy metals.| Los Angeles Times
Batteries that pair with clean solar and wind energy or just bolster electrical grids in general have completely taken off and are making a big difference on the California grid.| Los Angeles Times
The U.S. Department of Agriculture announced Friday that it will sample the nation's milk supply to test for the H5N1 bird flu virus.| Los Angeles Times
H5N1 bird flu has been discovered in a pig in Oregon, a development that has sparked new concerns among infectious disease experts.| Los Angeles Times
State officials say two dairy workers in the Central Valley have contracted H5N1 bird flu. They say the risk of infection remains low for the general population.| Los Angeles Times
Gov. Gavin Newsom has signed a bill that expands a moratorium on all types of a blood-thinning rat poison that has unintentionally sickened other animals.| Los Angeles Times
For the first time, there's a map of the nation's cattle and hog feeding operations, and it shows Tulare County has more than any county in the country.| Los Angeles Times
The circumstances and positive testing of a raw milk sample in California don't make sense, say experts. Something is amiss.| Los Angeles Times
California health officials reported Tuesday that a child in Alameda County has been infected with bird flu; source unknown.| Los Angeles Times
Health officials have announced six more H5N1 bird flu infections in humans: five in California and the first known case in Oregon.| Los Angeles Times
Federal wildlife officials approved a plan to cull barred owls in order to protect northern spotted owls, but it could be upended by funding cuts and congressional opposition.| Los Angeles Times
Unprecedented numbers of gray whales are being spotted in San Francisco Bay, and nobody really knows why. Experts only have educated guesses about the prevalence of porpoises, dolphins and humpback whales too.| Los Angeles Times
Despite assurances from the federal government that bird flu will be eradicated from dairy cows, some experts worry the disease is here to stay.| Los Angeles Times
It's been a doozy of a year for marine mammals, who have been dying in record numbers along the California coast. Volunteer rescue crews are traumatized and fatigued, but refuse to give up.| Los Angeles Times
Scientists have completed the first comprehensive estimate of mountain lions in California, a vital statistic needed to shape puma-friendly land-use decisions and ensure that the predators can find room to roam, mate and find prey.| Los Angeles Times
Fear from ongoing ICE operations has led immigrant workers and families in Southern California to face worsening extreme heat conditions at their workplaces and homes.| Los Angeles Times
The $7-billion grant program was designed to help low-income households install solar panels on their homes.| Los Angeles Times
Edison says Assemblywoman Calderon wasn't an executive when she worked for the utility — but that's exactly how the company identified her in federal campaign finance filings.| Los Angeles Times
A bill by Assemblywoman Calderon, a former Edison executive, to slash compensation for homeowners with rooftop solar panels drew protests Wednesday at her district office in the City of Industry.| Los Angeles Times
The California Air Resources Board administers its own state-level greenhouse gas reporting program that in some ways exceeds that of the federal program now on the chopping block.| Los Angeles Times
Among the closely watched items are reauthorization of California’s signature cap-and-trade program and expansion of a regional electricity market.| Los Angeles Times
Southern California's water district installs a quake-resistant pipe along the Colorado River Aqueduct to prevent a major spill.| Los Angeles Times
A nuclear conflict involving less than 3% of the world’s stockpiles could kill a third of the world’s population within two years, researchers say.| Los Angeles Times
Among the newest laws in California are efforts to limit planet-warming pollution, accelerate clean energy projects and advance the state's position as a climate leader.| Los Angeles Times
A year ago, the new Ford Mustang Mach-E GT had a sticker price around $55,000.| Los Angeles Times
Michael Kiparsky, director of the Wheeler Water Institute at the UC Berkeley School of Law, said requiring data on water use is a good first step, but local officials may not know what to do with that number alone.| Articles Archive - UC Berkeley Law
An independent panel is urging California lawmakers to create a new authority to oversee rebuilding after the firestorms in Pacific Palisades and Altadena.| Los Angeles Times
California is closer to meeting its goal of conserving 30% of its lands and coastal waters by 2030, according to a report. But federal threats could roll back progress, officials said.| Los Angeles Times
Trump officials say presidents can abolish monuments created by predecessors, and California's newest ones — Chuckwalla and Sáttítla Highlands — are vulnerable.| Los Angeles Times
Legislation would expand the Santa Monica Mountains recreation area by roughly 118,000 acres, but the effort comes as the Trump administration seeks to slash funding for the National Park Service.| Los Angeles Times
An immense solar-plus-storage power plant in the desert is now pumping out inexpensive clean electricity at full bore.| Los Angeles Times
Consumer advocates and utilities are lining up against Newsom's plan for electric customers and utility shareholders to shore up the wildfire fund, which could be drained by Eaton fire costs.| Los Angeles Times
Gov. Newsom challenged the Trump administration to match the state's investments in wildfire preparedness. In response, the administration criticized Newsom's own funding cuts.| Los Angeles Times
Scientists who sampled seemingly pristine Arctic snow have discovered high levels of microplastics that were likely carried north by the atmosphere.| Los Angeles Times
California's truth in labeling law reserves the recycling sign only for products and packaging that can truly be recycled. Yet CalRecycle greenlit the label for milk and juice cartons which are tough to recycle.| Los Angeles Times
Waste experts across Southern California believe we'll figure out how to deal with trash by 2050 — by going back to basics and reducing and reusing what we buy.| Los Angeles Times
Extreme weather events are becoming more frequent and more severe as the planet heats up.| Los Angeles Times
There are countless links between environmental degradation and racial inequality, and the climate crisis often hits people of color hardest.| Los Angeles Times
Eight pending California clean air rules were expected to prevent 11,000 premature deaths and provide $116 billion in health benefits over three decades.| Los Angeles Times
State officials delivered a report to Gov. Gavin Newsom that makes the case for how California could counteract the Trump administration's withdrawal of federal support for electric vehicles.| Los Angeles Times
Documents outlining the EPA's plan to roll back vehicle emission standards reference California by name 27 times.| Los Angeles Times
Gov. Gavin Newsom signed into law two bills that will overhaul the landmark California Environmental Quality Act in an effort to streamline housing development in the state.| Los Angeles Times
Los Angeles uses water from creeks that feed Mono Lake. Three decades after a decision that was intended to save the lake, environmental advocates say L.A. needs to do more.| Los Angeles Times
California, Arizona and Nevada are urging the Trump administration to change course on the Colorado River. The states are calling for fixing infrastructure problems at Glen Canyon Dam.| Los Angeles Times
The Trump administration is firing employees at the Bureau of Reclamation, drawing concerns from California water agencies that depend on it to deliver supplies.| Los Angeles Times
California’s snowpack is now 85% of average, with more snow in the northern Sierra and less in the south. Amid warming winters, the state is seeing less snow at lower elevations.| Los Angeles Times
For the first time since 2006, California has opened a flood relief valve on the Kern River to ease pressure from the heavy Sierra snowmelt. The valve will divert floodwaters into the California Aqueduct for use in Southern California.| Los Angeles Times
As historic storms fill once-dry Tulare Lake and submerge prime California farmland, tensions are building over how to handle the swiftly rising floodwaters.| Los Angeles Times
California announced that the State Water Project will deliver 50% of full water allotments this year, up from 40% last month. Runoff from ample snowpack is boosting reservoirs.| Los Angeles Times
The federal government and California water agencies announced an agreement to raise a dam and expand San Luis Reservoir, increasing its water-storing capacity.| Los Angeles Times
California water managers decided to curtail extra water flows intended to support endangered delta smelt. The change has sparked debate over protections for fish.| Los Angeles Times
A court has rejected environmental groups' challenge of the Sites Reservoir project. California Gov. Gavin Newsom says the state urgently needs to store more water.| Los Angeles Times
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.| Los Angeles Times
The U.S. Army Corps of Engineers just opened up two California dams. A spokesperson says the flows are 'controlled' and being coordinated with local officials.| Los Angeles Times
Trump's pledge to pump more water in California came after a reduction in pumping at a federal facility due to maintenance. Federal data show pumping has since resumed at normal levels.| Los Angeles Times
California's snowpack stands at 65% of average for this time of year. After a dry January, major storms are forecast to bring more rain and snow.| Los Angeles Times
Ten years ago, California adopted a law to curb chronic overpumping of groundwater. Significant challenges remain, even as the state works toward its goals.| Los Angeles Times
Sen. Mike Lee (R-Utah) announced late Saturday that he was pulling a plan to sell up to more than 1 million acres of federal land from the Trump-backed 'One Big Beautiful Bill.'| Los Angeles Times
With little public debate, state lawmakers passed a complex energy bill that upended how most Californians are billed for electricity.| Los Angeles Times
California's Department of Water Resources set its initial water allocation for the State Water Project at 5% — a level that could change in the coming months depending on the weather.| Los Angeles Times
The L.A. Department of Water and Power says the Santa Ynez Reservoir, which was empty at the time of the Palisades fire, is now back online after lengthy repairs to its floating cover.| Los Angeles Times
Could balloon-like water tanks help California prepare for fires? Some call an energy company’s “Water Trees” a game-changing solution to store water where needed to fight fires.| Los Angeles Times
Gov. Gavin Newsom orders independent investigation into how the loss of water pressure left fire hydrants dry, hindering firefighting efforts in Los Angeles.| Los Angeles Times
Cleanup crews contracted by the Army Corp of Engineers dumped asbestos-tainted wildfire debris in landfills that they shouldn't have, according to government records.| Los Angeles Times
As federal and state lawmakers call for soil testing after the Eaton and Palisades wildfires, the Newsom administration keeps downplaying contamination concerns.| Los Angeles Times
A state law that mandated diversion of organic waste from landfills is being blamed for exacerbating illegal dumping in remote desert areas.| Los Angeles Times
Here are the landfills that could take toxic waste from the L.A. wildfires in the coming weeks — many have not accepted hazardous materials in the past.| Los Angeles Times
A roughly 15-foot Great White shark was captured on video swimming close to Santa Monica's shores.| Los Angeles Times
The Los Angeles County wildfires unleashed all kinds of contaminants once locked away in paints, plastics and elsewhere. Among the most concerning is lead, so, like hundreds of Angelenos, a reporter who covered the fires got his blood tested.| Los Angeles Times
The January firestorms damaged water systems in large areas of Altadena and Pacific Palisades. In a new report, UCLA researchers examine the toll on 11 community water systems.| Los Angeles Times
Assessing the January fires' environmental toll is tough on land. It's even harder in the sea.| Los Angeles Times
The team of scientists found only one water sample with benzene, suggesting that the water is generally safe to drink across Altadena and the Pacific Palisades.| Los Angeles Times
A CDC study has found H5N1 bird flu antibodies in veterinarians who had no symptoms and no knowledge they had been working with infected livestock.| Los Angeles Times
A version of the H5N1 virus that has killed one person and severely sickened another has been detected in milk samples collected from Nevada dairy herds.| Los Angeles Times
New research and discussions with dairy farmers in the Central Valley suggests H5N1 bird flu is more widespread among people than the reported numbers indicate.| Los Angeles Times
As officials attempt to determine the extent of bird flu outbreaks among dairy herds, some experts are urging that wastewater surveillance begin immediately.| Los Angeles Times
Although California dairy farmers anticipated a bird flu mortality rate of less than 2%, some say between 10% and 15% of infected cattle are dying.| Los Angeles Times
California officials have announced another batch of raw milk from Raw Farm is contaminated with bird flu.| Los Angeles Times
Bird flu virus was detected in a retail sample of raw milk from Fresno-based dairy Raw Farm, California health officials said.| Los Angeles Times
California's Proposition 12, an animal welfare law, is being targeted by the Trump administration in a bid to reduce egg prices.| Los Angeles Times
Malaysia emerged as a major destination for U.S. waste after China banned U.S. waste imports in 2018.| Los Angeles Times
Poultry producers, disease experts and government officials are now questioning the practice of widespread culling in response to H5N1 bird flu outbreaks.| Los Angeles Times
The state's ambitious Climate Superfund legislation would hold fossil fuel companies liable for emissions, but continues to face fierce opposition.| Los Angeles Times
Three environmental groups argued Wednesday before the California Supreme Court that state utility regulators acted illegally when they voted in late 2022 to slash incentives for rooftop solar panels.| Los Angeles Times
In a nationwide first, California air quality officials will vote Thursday on a plan to phase out the sale of new gasoline-powered cars by 2035.| Los Angeles Times
President Trump signed legislation that would overturn California's ambitious auto emission standards| Los Angeles Times
The South Coast Air Quality Management District is poised to vote on regulations that would limit emissions of nitrogen oxides — the key pollutants that form smog.| Los Angeles Times
Why are so many California EV charging stations broken? Lax state oversight of state subsidies is one big reason.| Los Angeles Times
Newsom scuttled the finalization of a landmark waste law, leading CalRecycle to propose new rules. Critics say the rules pander to industry by making broad exemptions.| Los Angeles Times
California's recycling industry has struggled since China banned imports of plastics and other material. Experts say changes are vital to overcome a waste glut.| Los Angeles Times
More than two dozen lawmakers signed a letter urging the governor and CalRecycle to toss regulations drafted to implement landmark plastic legislation they say ignores the law.| Los Angeles Times
The Republican-majority Senate voted to nullify California's landmark environmental rule that would've banned the sale of new cars that exclusively run on fossil fuels.| Los Angeles Times
California has the tools, means and desire to fight back against Trump's environmental actions, including through lawsuits and legislation, experts say.| Los Angeles Times
A memo from an Army Corps of Engineers officer shows water managers and lawmakers pushed back against the Trump administration's plan to dump water from two California dams.| Los Angeles Times
