Greenwire

Hurricane Maria, which grew to a Category 3 storm today, is churning toward the eastern Caribbean, near islands already hit hard by Hurricane Irma.

Colorado officials have proposed a state limit on perfluorinated chemical (PFC) contamination in an effort to press the Air Force to clean up areas near bases polluted with chemical firefighting foam.

The man leading rebuilding efforts in Texas after Hurricane Harvey has a goal of "future-proofing" Houston ahead of the next disaster, but some are skeptical about his ability to remake the flood-prone city.

Worldwide, women of childbearing age have dangerously high mercury levels, according to a new study. The neurotoxin threatens unborn children.

Everglades City, Fla., is a low-income fishing community devastated by Hurricane Irma. Now it faces potentially lethal threats to public health from mud, mold, high heat and standing water.

This summer, a high-pressure system settled down over the West, trapping smoke and ash from wildfires.

More than 4,500 people die prematurely in Europe every year as a result of diesel cars with higher emissions levels than companies claim, according to a new study.

U.S. EPA has asked Valero Energy Corp. to turn over records related to benzene emissions at its Houston refinery in the wake of Hurricane Harvey.

U.S. EPA is looking for a few good volunteers to help victims of Hurricanes Harvey and Irma.

Big Oil is making big progress in cutting pollution, according to a new report.

The future of biodiesel in America may depend on hungry pigs half a world away.

Hurricanes Harvey and Irma are giving new fuel to debate in the scientific community over whether the warming Arctic is influencing the tracks of tropical storms and other weather patterns worldwide.

Environmental groups are accusing U.S. EPA of reneging on a verbal commitment to extend the public comment period on interim guidelines for states that want to create their own permitting programs for coal ash storage and disposal.

Mute swans look elegant but have become a major concern for wildlife biologists, who say they are aggressive, destructive invaders that must be wiped out.

After walrus stampedes killed 64 animals on Alaska's northwest coast, an environmental activist wants the Fish and Wildlife Service to look again at providing anchored rafts in the ocean on which walruses can rest.

In the global fight against wildlife crime, investigators are embracing a simple strategy: "Follow the money."

A massive sandbar that gained national attention is no longer an island.

A snowstorm in Mexico last year killed a much higher number of monarch butterflies than previously estimated, according to new research.

The Trump administration is quietly pushing to allow seismic testing for oil and gas development in the Arctic National Wildlife Refuge, a move that's sure to draw legal fire from the left.

An advocacy group aiming to elect scientists and other STEM professionals to public office endorsed four Democrats in Republican-held House districts today.

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