Because of waves from Saturday's eruption, an estimated 6,000 barrels of oil were spilled near Peru's main refinery on the coast in an area rich in marine biodiversity.
Environmentalists want Biden's Environmental Protection Agency to aggressively regulate huge piles of toxic coal ash across the nation. The waste has polluted groundwater in 39 states.
Hawaii gets most of its electricity from oil and coal. So the state is trying an experiment to get the utility off fossil fuels - and becoming a model for regulators across the US.
Bald eagles, hailed an "American success story" were removed from the endangered species list in 2007. Now, researchers have found that lead ammunition has reduced their population growth.
It's peak season for returns, which are setting a new record. Some end up back on shelves or get resold to other merchants, and some wind up in landfills or sail overseas.
The federal Environmental Protection Agency is taking a stronger role in keeping coal ash, the toxic material left over from burning coal to make electricity, away from groundwater.
After initially resisting, the Navy will comply with the state's order to remove fuel from a massive underground storage tank facility near Pearl Harbor, officials say.
Carbon removal went mainstream in 2021. But the technology is still light years away from making a real difference combating climate change. A group of economists wants to help change that.
The spike was attributed to a slew of causes, including behavior changes after COVID-19 vaccines became widely available, but environmental advocates say it's worrisome.
The first step in cutting back on plastic is understanding what you're using and how much of it. Do an audit of the plastics in your home to get a sense of how much plastic you use.
Researchers who detected environmental DNA, or eDNA, in two zoos say the technique could one day be used to look for endangered species in remote locations in the wild.