Page Updated: Thursday, November 27, 2025 12:12 AM ET

The San Diego Union-Tribune - Environment

Federal agencies report progress on Tijuana River cleanup, cite increased wastewater treatment

11 hours ago

Lawmakers give a thumbs down on expanding offshore drilling in California

1 day ago

Trump EPA moves to abandon rule that sets tough standards for deadly soot pollution

1 day ago

The most climate-friendly groceries might not be in the supermarket

1 day ago

Your Thanksgiving leftovers are harming the planet. There are ways to shop and cook smarter

2 days ago

Gramma, a 141-year-old Galápagos tortoise, dies at the San Diego Zoo

5 days ago

At UN climate conference, some activists and scientists want more talk on reforming agriculture

5 days ago

UN General Assembly chief says curbing climate change would make world more peaceful and safer

5 days ago

Cal Fire lifts burn permit suspension as rain lowers fire danger

5 days ago

Nations and environmental groups slam proposals at UN climate talks, calling them too weak

5 days ago

A drying-up Rio Grande basin threatens water security on both sides of the border

6 days ago

Trump administration announces plan for new oil drilling off the coasts of California and Florida

6 days ago

Trump administration revives rollbacks of species protections from first term

7 days ago

Venice's newest marvel is a wild, acrobatic dolphin. His refusal to leave puts him in danger

8 days ago

Appeals court pauses California law requiring companies to report climate-related financial risk

8 days ago

Artificial intelligence sparks debate at COP30 climate talks in Brazil

8 days ago

EPA moves to limit scope of clean water law to reduce amount of wetlands it covers

9 days ago

Nations hit by natural disasters tell ministers at climate talks to act

9 days ago

Business groups ask Supreme Court to pause California climate reporting laws in emergency appeal

12 days ago

Preliminary findings show a fatigue crack caused a Keystone Pipeline oil spill in North Dakota

12 days ago

In hurricane-torn Jamaica, this couple's climate-resilient breadfruit program offers food and hope

12 days ago

Protesters block the main entrance to COP30 climate talks in Brazil

12 days ago

Zanzibar's 'solar mamas' are trained as technicians to help light up communities

13 days ago

A solar/battery project looks to offset hefty electric bills at wastewater facility

13 days ago

Sierra Club challenging Harmony Grove housing project in lawsuit — again

13 days ago

If Trump opens up California for offshore oil drilling, will any companies jump in?

13 days ago

Diverse and resilient energy production is needed to meet future demand, global report says

14 days ago

Climate change is in the news during COP30. We've got tips to tackle your climate anxiety

14 days ago

Try out a pet at home, no strings attached, under new Humane Society adoption program

14 days ago

Traditional acai berry dishes surprise visitors to Brazil climate summit, no sugar added

15 days ago

Plastic in your green bin? Batteries in the trash? City inspectors are checking San Diegans' garbage for compliance

15 days ago

As US skips climate talks in Brazil, leaders plead for other nations to unite

16 days ago

Pets contribute to greenhouse gases like us. Here's how to reduce their carbon pawprint

17 days ago

Trump's energy secretary slams UN climate conference in Brazil, where US absence is glaring

19 days ago

Crews are working to fix Alaska Native villages devastated by flooding. But will residents return?

19 days ago

World leaders gather for second day in Brazil, seeking solutions to confront global warming

19 days ago

At UN climate summit, world leaders say time is running short to stop the worst effects of warming

20 days ago

As world leaders enter climate talks, people in poverty have the most at stake

21 days ago

Climate-fighting efforts show slight gain but still fall far short, UN says

22 days ago

On eve of UN climate talks in Brazil, a call for less talking and more doing

22 days ago

California pulls the plug on flawed e-bike project once run by investigated San Diego nonprofit

25 days ago

Black vultures attack and kill cattle. Climate change is one reason they're spreading north

26 days ago

Fast chargers are expanding quickly, but American EV drivers still fear running out of juice

26 days ago

Archaeological site in Alaska that casts light on early Yup'ik life ravaged by ex-Typhoon Halong

27 days ago

Study finds EVs quickly overcome their energy-intensive build to be cleaner than gas cars

28 days ago

How climate change is changing the way athletes train ahead of the Winter Olympics

28 days ago

Anxiety over global warming is leading some young Americans to say they don't want children

29 days ago

Bill Gates calls for climate fight to shift focus from curbing emissions to reducing human suffering

29 days ago

What to know about uncontacted Indigenous peoples and efforts to protect them

30 days ago

New way to turn sewage into drinking water could transform San Diego's Pure Water behemoth

1 month ago

Blood tests show highest levels of forever chemicals in those living near New Mexico plume

1 month ago

Interim CEO given permanent role at San Diego Zoo Wildlife Alliance

1 month ago

In a California farming region, researchers are mapping rural heat to protect farmworkers

1 month ago

Lacking community resilience centers, Houston neighbors opt for solar-powered 'hub homes'

1 month ago

'Chemtrail' theories warn of health dangers from contrails. The idea takes wing at Kennedy's HHS

1 month ago

As heat gets more extreme, pregnant farmworkers are increasingly at risk

1 month ago

What Americans think about the environmental impact of AI, according to a new poll

1 month ago

Philippine victims of 2021 typhoon seek compensation from Shell

1 month ago

UN chief defends science and weather forecasting as Trump threatens both

1 month ago

AI can help the environment, even though it uses tremendous energy. Here are 5 ways how

1 month ago

Watchdog report says American e-waste is causing a 'hidden tsunami' in Southeast Asia

1 month ago

The food you toss costs you plenty and emits tons of pollution. We've got tips on how to cut down

1 month ago

One of the world's rarest whales that makes the Atlantic its home grows in population

1 month ago

The West's power grid could be stitched together — if red and blue states buy in

1 month ago

Court orders reinstatement of 30-foot height limit in San Diego's Midway District

1 month ago

US blocks a global fee on shipping emissions as international meeting ends without new regulations

1 month ago

The world is heading to add 57 superhot days a year, but study indicates it could have been worse

1 month ago

Judge dismisses young climate activists' lawsuit challenging Trump on fossil fuels

1 month ago

Trump officials back firm in fight over California offshore oil drilling after huge spill

1 month ago

Scientists hope underwater fiber-optic cables can help save endangered orcas

1 month ago

UN agency says C02 levels hit record high last year, causing more extreme weather

1 month ago

Nations meet to consider regulations to drive a green transition in shipping

1 month ago

Drought has muted this year's leaf-peeping season, but pockets of brilliant colors remain

1 month ago

California sets record for zero-emission vehicle sales. But what happens next?

1 month ago

Republicans try to weaken 50-year-old law protecting whales, seals and polar bears

1 month ago

Gorilla breaks glass at San Diego Zoo enclosure

1 month ago

Arctic seals and more than half of bird species are in trouble on latest list of threatened species

1 month ago

At least 170 US hospitals face major flood risk. Experts say Trump is making it worse

1 month ago

La Nina is back, but it's weak and may be brief. Will it still amp up the Atlantic hurricane season?

1 month ago

Florida county battered by 2024 hurricanes spends $125M on beach restoration

1 month ago

Gold demand puts Peru's Amazon at greater risk from mercury poisoning, bishop warns

1 month ago

Buildings are turning to 'ice batteries' for sustainable air conditioning

1 month ago

Trump approves Alaska mining road to boost copper, zinc production

1 month ago

Solar and wind power has grown faster than electricity demand this year, report says

1 month ago

Groups sue EPA over canceled $7 billion solar program intended to help poorer Americans

1 month ago

Wayward seabird blown to Arizona by monsoon winds is released in La Jolla

1 month ago

A recipe for avoiding 15 million deaths a year and climate disaster is fixing food, scientists say

1 month ago

SDG&E's hydrogen blending project: Hope or hype?

1 month ago

Study shows the world is far more ablaze now with damaging fires than in the 1980s

1 month ago

Trump administration cuts nearly $8B in clean energy projects in states that backed Harris

1 month ago

How the government shutdown is affecting San Diego

1 month ago

Swiss glaciers shrank 3% this year, the fourth-biggest retreat on record, experts say

1 month ago

Supervisors request Tijuana River study aimed at convincing EPA to declare Superfund site

1 month ago

Jane Goodall, the celebrated primatologist and conservationist, has died

1 month ago

National parks will remain 'generally' open during the shutdown, but Liberty Bell doors are closed

1 month ago

EPA's job is to protect America's air, water and land. Here's how a shutdown affects that effort

1 month ago

Chunk, a 1,200-pound bear with a broken jaw, wins Alaska's popular Fat Bear Week contest

1 month ago

Schwarzenegger downplays Trump and backs Vatican initiative to 'terminate' global warming

1 month ago

As Amazon's 'flying rivers' weaken with tree loss, scientists warn of worsening droughts

1 month ago

'Didn't want anything to do with us': Orphaned mountain lions released near Ramona

1 month ago