For the first time since Japan's nuclear disaster three years ago, authorities are allowing residents to return to live in their homes within a tiny part of a 20-kilometer (12-mile) evacuation zone around the Fukushima plant.
Frustrated by federal government delays, the state of Washington issued its own plan for cleaning up the nation's most contaminated nuclear weapons site.
The manufacturer of a popular rat poison is suing California over a new regulation that would prevent consumers from buying many types of pesticides for at-home use because they can harm pets and wildlife.
On the same day the world's scientists issued their latest report on climate change and the risks it poses to society, the nation's biggest oil and gas company said the world's climate policies are "highly unlikely" to stop it from selling fossil fuels far into the future.
A California utility that invested in a Montana wind farm has accused the developer of fraudulently concealing that federal wildlife officials recommended the project get a permit in case it harms eagles.
Unsurprisingly, many are using the West Viriginia chemical spill to push the government to tighten chemical regulations across the country. The typical reaction to this kind of incident is to demand increased transparency - but is that the real problem? And is it a real solution? A new report lays out some of the myths and facts surrounding the spill and the media frenzy that followed.
The Coast Guard says crews didn't find any more oil during the latest search of the Lake Michigan shore following last week's spill at BP's northwestern Indiana refinery.
Iowa senators unanimously approved bills designed to encourage the state's production of wind and solar power, but a proposal to encourage more use of renewable fuels was delayed because of concerns about cost.
A request by the president of Freedom Industries to get paid is facing opposition in bankruptcy court.
Worried about getting a fair shake from investigators, Duke Energy is asking a judge to shield its records from North Carolina regulators and environmental groups while a federal criminal probe is ongoing.
A former BP engineer has asked for a delay in his sentencing on an obstruction of justice charge related to the 2010 Gulf oil spill.
One large oil spill in western North Dakota is nearly cleaned up, but work will continue for at least another week on a separate release near the confluence of the Yellowstone and Missouri rivers, the state Health Department says.
Photos taken earlier this month show that North Carolina regulators apparently failed to notice a large crack opening in an earthen dam holding back millions of tons of Duke Energy's coal ash near the Cape Fear River.
Duke Energy shareholders are calling on the company's board to launch an independent investigation into issues surrounding a massive coal ash spill that coated 70 miles of a North Carolina river in toxic sludge.
An initial assessment of a Lake Michigan oil spill shows that between nine and 18 barrels of crude oil entered the lake following a malfunction at oil giant BP's sprawling northwestern Indiana refinery, the U.S. Coast Guard said Wednesday.
Crews from BP worked Tuesday to clean up an undetermined amount of crude oil that spilled into Lake Michigan and affected a section of shoreline near Chicago following a malfunction at BP's northwestern Indiana refinery, officials said.
An Ohio-based coal operator is suing the head of the Environmental Protection Agency, claiming that the agency has failed to comply with the Clean Air Act's requirement to evaluate the potential impact of its regulatory actions on employment.
Tests last week at a West Virginia water plant still show traces of the chemical that spilled into 300,000 people's water supply on Jan. 9.
New York regulators are seeking more information from a Massachusetts company that plans to expand its Hudson River facilities routing rail shipments of North Dakota crude oil to coastal refineries.
The House has approved a bill to prevent the Obama administration from imposing a stream-protection rule for coal mining that government experts say would eliminate thousands of jobs.
The Christie administration improperly repealed regulations aimed at reducing pollution from power plants, a New Jersey appeals court ruled Tuesday.
Federal environmental officials now estimate more than 20,000 gallons of crude oil — double the initial estimates — leaked from a pipeline into a nature preserve in southwest Ohio.
Three days after the collision, the cleanup effort is still going on in earnest. But authorities hope the channel's closure could end sometime today, allowing more than 80 stranded ships to resume activity.
Duke Energy officials assured South Carolina regulators that the utility's two coal ash ponds in the state are safe, in part because they are designed differently from a pond in North Carolina that dumped millions of gallons of contaminated water into a river.