‘Do people have to die?’ Why these Californians fear catastrophic floods.

Some towns in the San Joaquin Valley are facing the prospect of extreme flooding from what could be the largest amount of snowmelt in California history.

By Brianna SacksApril 24, 2023

In the Philippines, a nation swallowed by plastic waste

Driven by poverty, plastic waste has become out of control in the island nation known for its "sachet economy."

By Jintak HanApril 22, 2023

EPA reaches deal to police Pennsylvania’s pollution of Chesapeake Bay

The EPA, under a proposed settlement, will put additional pressure on Pennsylvania to reduce pollution that feeds into the Chesapeake Bay.

By Fredrick KunkleApril 21, 2023

EPA proposes to ban most uses of methylene chloride, a toxic solvent

Highly toxic, methylene chloride is among the chemicals the EPA is re-evaluating under amendments to the Toxic Substances Control Act, enacted in 2016.

By Timothy PukoApril 20, 2023

U.S. has inventoried old-growth forests. Will protection be next?

The U.S. has now inventoried old-growth forests, as President Biden ordered. Will protection be next?

By Anna PhillipsApril 20, 2023

Dead birds are flying again — this time, as drones

Mostafa Hassanalian, an engineering professor at a New Mexico college, is using drone technology to enable taxidermied birds to fly.

By Kyle MelnickApril 20, 2023

Rare hybrid solar eclipse appears for first time in a decade

Hybrid eclipses are rare among eclipses and occur only a few times a century.

By Kasha Patel and Anumita KaurApril 19, 2023

Mysterious spiral over Alaska probably a result of SpaceX launch

Researchers say the event was probably caused by excess fuel released during the launch.

By Kasha PatelApril 19, 2023

A contest encouraged children to hunt feral cats — until the backlash

The idea of enlisting children armed with air rifles in an effort to kill feral cats in New Zealand set off alarm bells among animal rights groups.

By Rachel PannettApril 19, 2023

Water cuts could save the Colorado River. Farmers are in the crosshairs.

As the Biden administration moves closer to cutting how much water states can pull from the Colorado River, famers in California's Imperial Valley are in a powerful but precarious position.

By Joshua PartlowApril 16, 2023

Why Russia’s war in Ukraine is bad news for polar bears, too

Russia’s war in Ukraine is first and foremost a human tragedy, but it has been dire for wildlife too, stalling scientific work on polar bears and other animals unaware of the borders drawn on maps by humans.

By Dino GrandoniApril 15, 2023

The power of a volcanic eruption: This one was bigger than any U.S. nuclear blast

The simulation suggests that one minute after the blast, the displaced wave was 85 meters high — “mind boggling and hard to believe," said the study's lead author.

By Kasha PatelApril 14, 2023

Trucks are still taking tainted waste out of East Palestine. One spilled this week.

Though authorities said the Monday truck spill was contained, it embodied concerns among environmental activists about how toxic materials are transported.

By Justine McDanielApril 12, 2023

FEMA sued over using disaster funds to rebuild Puerto Rico’s power grid

Nine groups sued Tuesday alleging that FEMA is improperly using billions of dollars in congressionally appropriated disaster funds to repair Puerto Rico's grid.

By Brianna SacksApril 12, 2023

Colorado River cities and farms face dire trade-offs with new federal review

The federal review lays out the painful choices facing the American West after a two-decade drought and chronic overuse have left crucial lakes — the water supply for tens of millions of people — dangerously diminished.

By Joshua PartlowApril 11, 2023

Rich people’s swimming pools are fueling water crises in cities, study says

The study, focused on South Africa's Cape Town, suggested that the wealthiest 14 percent of the population was behind more than half the city's water consumption.

By Victoria BissetApril 11, 2023

In big climate move, EPA set to unveil tough limits on auto emissions

The EPA next week is expected to unveil a rule that would accelerate the transition to electric vehicles, by setting long-term restrictions on auto emissions.

By Timothy PukoApril 9, 2023

EPA seeks to restrict a toxic sterilizer, despite industry red flags

The EPA wants to limit use of ethylene oxide, a scourge to low-income communities nationwide, but a chemical considered essential to sterilizing medical equipment.

By Timothy PukoApril 6, 2023

Biden to spend more than $580 million to fix aging water systems in West

The Interior Department will use funding from the bipartisan infrastructure law to repair canals, dams, fish hatcheries and other water systems in the West, it said on Wednesday.

By Joshua PartlowApril 5, 2023

Controversial pipeline blocked — again — over impact on water quality

The ruling from the U.S. Court of Appeals for the Fourth Circuit is one of several denying permits to the Mountain Valley Pipeline.

By Rachel WeinerApril 5, 2023