"Polychlorinated biphenyls, or PCBs, haven’t been produced since 1979, after studies found that exposure to them could cause a variety of harmful health effects, including cancer. But they were so widely used before then and so long-lasting that they still impair water quality in much of the tidal Chesapeake Bay and its tributaries."

"A wastewater spill into the Potomac River that began last month now appears to be one of the largest in American history."

"Scientists have known for years that water levels are rising faster in the Chesapeake Bay region than just about anywhere else in the world — because water is only part of the problem here. The land is also sinking."

"Virginia’s newly elected Democratic Attorney General Jay Jones took action Thursday that creates a pathway for Virginia to rejoin the carbon market called the Regional Greenhouse Gas Initiative, or RGGI."

"A massive pipe that moves millions of gallons of sewage has ruptured and sent wastewater flowing into the Potomac River northwest of Washington, D.C., polluting it ahead of a major winter storm that has repair crews scrambling."

"Pennsylvania is still cleaning up decades’ worth of coal mining pollution. Now it must also contend with millions of tons of fracking waste, some of it radioactive."

"Data center construction and clogged-up generation queues are driving costs — and political backlash — in the country’s biggest power market."

"The National Park Service gave President Donald Trump the go-ahead to tear down the White House’s East Wing earlier this year after a streamlined environmental review concluded the negative effects of the president’s planned ballroom wouldn’t be too significant and despite the final design remaining a work in progress, new court filings show."

"Democratic senators are demanding the U.S. Park Police suspend their D.C. recruitment blitz and accuse the Trump administration of “hijacking this federal police force for its own authoritarian purposes,” according to a letter sent to Interior Secretary Doug Burgum on Monday morning."