National (U.S.)

"This coming Sunday, Dec. 22, marks five years since the Kingston Coal Plant's ash dam in Tennessee ruptured, sending more than a billion gallons of toxic sludge into homes, onto farmland, and into the Emory and Clinch Rivers in Roane County - one of the biggest environmental disaster in U.S. history. Five years later, we're still waiting - and pushing - for the Environmental Protection Agency to put in place long-overdue protections to prevent more coal ash disasters."

"U.S. gasoline pump prices are poised to reach their lowest level this year as supply expands to a two-decade seasonal high and winter curbs demand."

"U.S. federal regulators on Thursday said oil and gas company Chesapeake Energy Corp will pay a civil penalty of $3.2 million to settle Clean Water Act violations in West Virginia where it drills in the Marcellus Shale."

"HOUSTON — Nearly four years after the Gulf of Mexico oil rig explosion that left 11 dead, a former low-level engineer at BP was found guilty on Wednesday of obstruction of justice for deleting messages during a federal investigation into how much oil leaked."

"American cities on the frontline of climate action are quietly but dramatically shifting their approach -- from primarily trying to limit global warming to coping with its impacts. They're building forested buffers to shelter homes from wildfires, considering concrete sea walls to restrain ocean waters and developing software to conserve water during drought."

"As winter sets in across the northern United States, the road salt that keeps people out of ditches is flowing into rivers at levels that could harm fish and other creatures. With billions of pounds of salt spread on U.S. roads every year, researchers say that rivers, streams and lakes in the nation’s wintry cities are getting saltier. And, according to new research, the salt, or sodium chloride, in rivers remains toxic not just in winter, but throughout two-thirds of the year."

"Recent salmonella outbreaks that sickened at least 523 people and sent dozens to the hospital underscore 'serious weaknesses' in the U.S. Department of Agriculture’s oversight of poultry plants, according to a study released Thursday by the Pew Charitable Trusts, which also criticized the government’s failure to push more aggressively for recalls of contaminated meat."

"The president has said the right things about climate change – and has taken some positive steps. But we're drilling for more oil and digging up more carbon than ever."

"WOLF POINT, Mont. -- It's tough to miss the trains hauling crude oil out of the Northern Plains. They are growing more frequent by the day, mile-long processions of black tank cars that rumble through wheat fields and towns, along rivers and national parks."

"US government scientists have for the first time found direct evidence of toxic exposure in the Gulf of Mexico."