Land-dwelling rats are upending life for coral reef fish

When rats invade tropical islands, they can trigger a chain reaction that reverberates all the way to coral reefs, researchers say.

By Dino GrandoniFebruary 2, 2023

As the Colorado River dries up, states can’t agree on saving water

California did not sign on to a joint proposal for cuts — an impasse that suggests the wrangling over how to conserve the dwindling water supply that serves 40 million people will continue in coming months.

By Joshua PartlowFebruary 1, 2023

Maryland trashes recycling company whose sites became alleged dumps

Maryland's Department of the Environment is suing a Prince George's County recycling outfit, for allegedly operating illegal garbage dumps in Cheverly and Baltimore.

By Fredrick KunkleJanuary 28, 2023

Rare mussel species, nearly wiped out, gets rebirth in Virginia river

The James spinymussel was nearly wiped out along the James River, but wildlife biologists have brought it back.

By Dana HedgpethJanuary 28, 2023

In Atlanta, a deadly forest protest sparks debate over ‘domestic terrorism’

A protest in an Atlanta forest over a police training facility has become the latest flash point between demonstrators and law enforcement after the city was rocked by racial justice protests in 2020.

By Tim CraigJanuary 26, 2023

Arizona city cuts off a neighborhood’s water supply amid drought

Historic shortages of Colorado River water and a bitter political feud have conspired to leave a Scottsdale, Ariz., neighborhood in a desperate scramble to find enough water to sustain themselves.

By Joshua PartlowJanuary 16, 2023

Newfoundlanders identify with the ocean. Now some are moving inland.

In the wake of post-tropical storm Fiona, the waters that helped define the Canadian province are now a cause of trepidation.

By Amanda ColettaJanuary 16, 2023

Private jets rule in Davos, as Europe’s leaders try to quash short flights

Europe is trying to reduce short-haul flights, but a Greenpeace analysis of private jet flights near Davos last year found they nearly doubled in the week of the conference.

By Michael BirnbaumJanuary 12, 2023

Multiple agencies concur: ’22 was one of Earth’s hottest years

Ranking as the fifth- or sixth-warmest year on record, the world experienced unrelenting waves of extreme weather.

By Amudalat Ajasa and Naema AhmedJanuary 12, 2023

California’s paradox: Confronting too little water, and too much

Even as rising global temperatures make California drier, hotter and more fire-prone, they will also increase the likelihood of sudden and severe rainfall.

By Sarah KaplanJanuary 10, 2023

Ozone layer continues to heal, a key development for health, food security and the planet, U.N. study says

Scientists say strides in shrinking the “ozone hole” offer a path forward on global warming.

By Scott DanceJanuary 9, 2023

The T. rex may have been a lot smarter than you thought

A study published in the Journal of Comparative Neurology suggests the dinosaur’s cerebrum contained enough neurons to solve problems and even form cultures.

By Dino GrandoniJanuary 9, 2023

Great Salt Lake on track to disappear in five years, scientists warn

Unsustainable water use is pushing the lake toward collapse, researchers say, imperiling ecosystems and exposing millions of people to toxic dust from the dry lakebed.

By Sarah Kaplan and Brady DennisJanuary 6, 2023

The turtle moms that ‘talk’ to their eggs before they hatch

Reptiles aren’t known for their parental instincts, but the giant South American river turtle is an exception. The discovery is spurring a race to save the chatty species.

By Dino GrandoniJanuary 6, 2023

Chesapeake Bay cleanup stalls as blue crabs drop and pollutants remain

The population of blue crabs plummeted to such worrisome levels that the Chesapeake Bay Foundation suggested reassessing how crabs are managed.

By Fredrick KunkleJanuary 6, 2023

EPA broadens protections for U.S. waterways, reversing Trump

The federal decision – a setback for various industries – broadens which wetlands, streams and rivers can be regulated under the Clean Water Act, but stops short of a controversial Obama-era rule.

By Scott DanceDecember 30, 2022

Amid drought, Arizona contemplates a fraught idea: Piping in water from Mexico

As Arizona's water supply from the Colorado River dwindles, it is studying a $5 billion project to desalinate ocean water in Mexico and pump it 200 miles across the border.

By Joshua PartlowDecember 23, 2022

Disaster scenarios raise the stakes for Colorado River negotiations

Those responsible for divvying up the Colorado River's dwindling supply are warning that unprecedented shortages could be coming to farms and cities in the West.

By Joshua PartlowDecember 17, 2022

A village destroyed by fire vowed to rebuild the right way. Then the fights began.

The experience of Lytton — a town in British Columbia that suffered a disastrous fire last year and has yet to rebuild — shows how adapting to climate threats, and its slow and arduous recovery phase, can inflict its own wounds.

By Joshua PartlowDecember 16, 2022

Want to save the planet? Saving whales could help, scientists say.

Restoring the population of whales — which are still being killed in high numbers — could help reduce carbon in the Earth’s atmosphere, according to a new study.

By Rachel PannettDecember 15, 2022