Page Updated: Tuesday, September 29, 2026 9:08 AM ET

The San Diego Union-Tribune - Environment

Newsom signs bills targeting hydrogen sulfide, worker safety in Tijuana River Valley

11 hours ago

MLB considers Grand Teton National Park for baseball game site, prompting concern

12 hours ago

Sea level rise is reshaping a California beach town and threatening a key rail line

15 hours ago

A change at the top of San Diego Community Power but no reason given for CEO's departure

16 hours ago

Residents near Maui wildfires show elevated metals linked to impacted lung health, study says

17 hours ago

Trump administration lowers fuel economy standards, critics say at a significant environmental cost

23 hours ago

Mexico breaks ground on new desalination plant in Rosarito to bolster region's water supply

3 days ago

Mountain lion fatally struck by vehicle on highway near Mission Trails park

3 days ago

San Diego Zoo and Safari Park welcome new gorillas from Seattle and Kansas zoos

3 days ago

It's official: Coronado is the newest addition to San Diego Community Power

3 days ago

Former VP Al Gore: A clean Earth is within world's grasp even as climate dangers accelerate

3 days ago

How one factory is surviving America's solar policy whiplash

4 days ago

New firefighting fund launches but funding gap remains as wildfires worsen worldwide

4 days ago

Scottsdale's water recycling program hits election-year backlash

4 days ago

Federal report concludes hydrogen sulfide spikes near Tijuana River pose public health hazard

5 days ago

Mission Trails gets a 62-ton makeover to reduce wildfire risk

5 days ago

Climate disasters are growing. So are cuts to programs that prepare for them

5 days ago

This year's El Nino-driven heat could cause nearly half a million more deaths, group says

5 days ago

Beach water advisories issued as Oceanside harbor dredging proceeds

6 days ago

Nesting olive ridley sea turtle off Southern California beaches is a first recorded for West Coast

6 days ago

A third beluga whale rescued from Canada has died at Chicago aquarium

6 days ago

New York, California sue to block Trump administration deals canceling offshore wind projects

6 days ago

Worsening El Nino threatens Asia with drought, potentially raising food prices globally

6 days ago

Judge won't block Trump administration from giving SpaceX acres of wildlife refuge in land swap

7 days ago

There's an easy way to get rid of all the reusable bags piling up in your home

7 days ago

St. Mary's Glacier melted away. Will Colorado's iconic snowfield ever return?

7 days ago

Tiny wild cat newly identified as a species draws curious visitors in Bolivia

7 days ago

Climate Week talks balance hope for clean energy against uncertainty over artificial intelligence

7 days ago

A humpback whale was spotted in a California river, 60 miles from its Pacific Ocean home

10 days ago

Judge rules EPA illegally terminated $7 billion solar program intended to help poorer Americans

10 days ago

How Africa's biggest cities are grappling with mounting waste and shrinking space

10 days ago

Trump administration begins building border wall in Texas' Big Bend region

10 days ago

Scientists hope deeper-rooted soybeans can withstand climate extremes and store more carbon

10 days ago

Britain's Prince William reveals finalists for Earthshot environmental prize

10 days ago

Killing endangered wildlife is legal if they aren't the target, new Trump rule says

11 days ago

The Iran war is driving clean energy development. It's not enough to help the planet, yet

11 days ago

'All these projects have problems.' County approves East County solar and battery project

12 days ago

There's one issue where Republicans and Democrats are unified before the midterms, a new poll finds

12 days ago

Satellites show Earth lost more than 12 trillion tons of ice from Greenland, Antarctica in 47 years

12 days ago

Fight to pass Measure B, the countywide sales tax increase, heats up

13 days ago

Tijuana River sewage crisis costs region up to $503 million a year, study finds

13 days ago

They are paid to bring rain. When it fails — or leads to floods — violence can follow

13 days ago

An artist captures how summer's heat waves hit Paris and its homeless so hard

13 days ago

Crews begin making berms on S.D.'s beaches to prepare for El Niño

14 days ago

European leaders meet as Arctic thaw opens shipping routes and Russian buildup stokes security fears

14 days ago

EPA eliminates rule that limits planet-warming greenhouse gas emissions from power plants

14 days ago

'A steady input of these chemicals': report finds cocktail of pollution in Tijuana River

15 days ago

Safari Park caring for condor chick rescued from nest in Pinnacles National Park

16 days ago

With support from loggers and (some) environmentalists, Congress unites on major wildfire bill

17 days ago

Federal court rejects Trump order keeping Michigan coal plant open

17 days ago

Emergency declared to save Highway 101 from beach erosion in Carlsbad

18 days ago

County, CDC to launch second health survey on Tijuana River sewage crisis

18 days ago

'Immaculate condition': Rare mastodon fossil found in Northern California creek

18 days ago

The push to remove lead pipes is on. Thousands of water systems still don't know where theirs are

18 days ago

California officials allow plans for the country's biggest kelp farm to move forward

18 days ago

'Climate hushing' has swept the Democratic Party. New polling suggests it's a mistake.

19 days ago

Global heat stuck on high. Scientists say August was Earth's hottest month they've measured.

19 days ago

A stronger-than-normal El Nino alarms scientists over Galápagos wildlife and forests

19 days ago

In North Carolina, a race is on to restore critical peatland before it dries up or is destroyed

19 days ago

Nepal's flood disaster and the impact of climate change loom large in the icy shadow of Mont Blanc

19 days ago

Coastal erosion once again suspends trains between San Diego and rest of the nation

20 days ago

Plastic leaves its traces in unexpected places — like your dentist's office

20 days ago

Hungry black bears are running into trouble in the Rocky Mountains

20 days ago

Malaysia declares emergency in Sarawak town as haze reaches critical level

24 days ago

Farmers turn to perennial grains as one solution to extreme weather

24 days ago

EPA seeks more public comments as it struggles to devise water rule that limits scope on wetlands

24 days ago

Severe erosion leaves Carlsbad's Tamarack beach slim for Labor Day weekend

24 days ago

The Trump administration halted a Great Lakes project. Then Whitmer called Trump

25 days ago

'It immediately started attacking me': Otter leaves Lake Tahoe swimmer bleeding

25 days ago

US Forest Service closing 23 research facilities as part of reorganization under Trump

25 days ago

Trump administration stalled a survey of PFAS in wastewater, former EPA officials say

25 days ago

Two more belugas die at Chicago aquarium

25 days ago

Pacific island nations seek to turn geopolitics into funding to offset climate change harm

25 days ago

Trump administration ratchets up its fight to get more oil flowing from California

25 days ago

EPA proposal could leave the public in the dark on data center plans

25 days ago

Global warming will exceed limit, UN says in a report that maps path to get back below danger zone

26 days ago

County supervisors greenlight plan to build own Tijuana River treatment plant

27 days ago

New York's plan to charge fossil-fuel producers $75B for climate change damages is struck down

27 days ago

California lawmakers' last-minute deal on compensation for wildfire victims falls apart

27 days ago

Spike in rare cancer cases spark anti-pesticide activism in Southern California

28 days ago

A hotter planet is pushing older adults beyond the human body's limits

28 days ago

County supervisors push to construct new plant to treat Tijuana River sewage

28 days ago

Keeping cool saves thousands of lives yearly, but at a cost of worsening global warming, experts say

28 days ago

California sues Trump administration to bring back an offshore wind project

3 days ago

United Nations talks in Mongolia expose growing drought crisis as climate impacts worsen

1 month ago

As microplastics pollute every corner of the Great Lakes, scientists push governments to combat threat

1 month ago

You may soon be able to put a solar panel on your apartment balcony in California

1 month ago

Satellite images show bedrock and glacier collapsed on Nepal-China border, then rivers flooded

1 month ago

Peekachu, a beluga whale rescued from Canada, dies at Chicago aquarium

1 month ago

Trump administration relied on flawed logic to justify scrapping vehicle emission rules, study says

1 month ago

As super El Nino strengthens, study suggests that climate change is intensifying El Ninos

1 month ago

Nepal floods highlight growing glacier risks in warming Himalayas

1 month ago

Heat makes emergency rooms busier. Study shows which illness and injuries rise during hot spells

1 month ago

'Would you want a power tower in your backyard?': Residents sound off on SDG&E's proposed transmission line

1 month ago

A lush knee-high jungle grows in the Arctic, but warming is changing Earth's mini-greenhouse

1 month ago

Wave energy testing site opens off Oregon, a green energy milestone in the Trump administration

1 month ago

Invasive green crabs are bad for the environment so New Englanders are starting to eat more of them

1 month ago

US declares drought disaster for parts of Puerto Rico as dry conditions persist

1 month ago

Texas wildfire mushrooms within hours, ripping through ranchlands

1 month ago

Earth is simmering in its hottest water temps on record, and that's bad for fish and us

1 month ago