"Emission factors used to paint a broad picture of air quality often underestimate pollution, evidence shows".

"U.S. scientists found neonicotinoid insecticides in about three-quarters of samples from 10 major Great Lakes tributaries."

"Joleah Lamb began her career as a coral biologist on the Great Barrier Reef. Every now and then she’d note a scrap of plastic as she swam through. But when she started studying reefs in Asia, she came across a completely different level of detritus."

"The U.S. Environmental Protection Agency said on Thursday it was withdrawing a provision of the Clean Air Act that requires a major source of pollution like a power plant to always be treated as a major source, even if it makes changes to reduce emissions."

"Two decades after its scheduled closure, a zombie garbage incinerator divides a working-class town in Massachusetts."

"California’s attorney general on Wednesday said the state plans to sue the Trump administration over its repeal of Obama-era rules meant to address public safety concerns in hydraulic fracturing, or fracking, on federal lands."

"Nearly 5 million gallons of sewage spilled into the ocean on California’s Central Coast after a filter at a water treatment plant got clogged and the computer system failed to sound an alarm, an official said Monday, forcing several popular beaches to close."

In its 9-0 unanimous opinion today [Monday], the Supreme Court found that while it may not be the most efficient use of judicial resources, there was no question in the law about where challenges to the Clean Water Rule belong."

"WASHINGTON — A top manager who supervises the Environmental Protection Agency program responsible for cleaning up the nation’s most contaminated properties and waterways told Congress on Thursday that the government needs to plan for the ongoing threat posed to Superfund sites from climate change."