The Environmental Protection Agency said Thursday it was weighing whether a controversial refinery on St. Croix posed "an imminent risk to people's health" after a third accident in the span of three months sickened local residents and forced some schools to close.

President Biden is unwinding Donald Trump’s environmental legacy, while forging his own. The Washington Post is chronicling every step.

Months after President Biden set a goal of conserving 30 percent of the nation’s land and waters by 2030, the administration Thursday laid out broad principles — but few details — for achieving that vision.

The Energy 202: Democrats eye climate in big infrastructure push

But a cacophony of competing demands is already threatening to divide Democrats.

The Energy 202: Frozen wind turbines aren't why Texas can't keep the lights on

That hasn't stopped it from becoming a right-wing talking point.

The Energy 202: How a bitter cold snap is crippling power in Texas

Over 4 million in Texas remain without power Tuesday morning.

Transportation secretary talks electric vehicles, carrots and sticks, and how he plans to counter Republican criticism on the administration's infrastructure plan.

Chinese greenhouse gas emissions in 2019 zipped past the United States and other developed countries combined.

A pair of scientific studies find we can still probably avert extreme sea level rise -- but also show how little scientists still understand about the biggest threat, Antarctica.

States across the Plains and the South were hit with severe weather on May 3.

Limetree Bay Refinery, once one of the largest oil and gas refineries in the world, has had two serious accidents since reopening in February.

The Environmental Protection Agency proposed on Monday a rule that would sharply cut the use and production of hydrofluorocarbons, powerful greenhouse gases used widely in refrigeration and air conditioning. The proposal, a phase down of 85 percent over the next 15 years, marks the first time the Biden administration has used the power of the federal government to mandate a cut in climate pollution.

Test your knowledge about the ways the climate is changing — and what we can do about it

Every time we turn on the tap, we run up not only a water bill, but also climate emissions.

“EPA’s egregious delay exposed a generation of American children to unsafe levels of chlorpyrifos,” the decision states.

While human-caused fires are not unheard of at the park, officials with the National Park Service said they haven't seen them at this frequency.

Methane is a greenhouse gas that, when released without being burned, has more than 80 times the climate impact of carbon dioxide.

Nearly every form of the nation’s most pervasive deadly air pollutant disproportionately affects Americans of color, regardless of their location or income level, according to a peer-reviewed analysis published Wednesday.

Plants are Earth's original carbon capture machines. Can they be engineered to stop climate change?

The release of hydrogen sulfide, shortly after the Limetree Bay refinery showered oil on a neighboring community in February, has raised fresh questions about the operation.

Such reductions could have a crucial impact in the global effort to limit warming below 2 degrees Celsius (3.6 Fahrenheit) compared to preindustrial levels — a central aim of the Paris climate accord.

The step could help pave the way for a broader climate deal with the nation’s automakers.

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