"The Hogan administration notified the federal Environmental Protection Agency on Thursday that it plans to file a lawsuit alleging the agency has failed to act against states whose smokestack emissions pollute Maryland’s air."

"The Trump administration has erased an Obama-era requirement that Harley-Davidson Motor Co. spend $3 million on a pollution control project as part of its penalty for cheating on air emissions."

"Green groups sued the U.S. Environmental Protection Agency on Thursday to force Texas to toughen its stance on air pollution by using stricter language in permits it issues to oil refineries and power plants."

"The House on Tuesday passed, 229-199, a bill to delay the compliance date for Obama-era ground level ozone standards."

"Way up in northern North Dakota lies an old oilfield with a problem 60 years in the making."

"After a five-year review, U.S. EPA has proposed leaving unchanged its two primary air quality standards for nitrogen oxides."

"The Havasupai are attempting to fight back against the operation of a uranium mine that they say could contaminate their sole water source".

"California’s five-year drought made worldwide headlines as wells went dry and thousands of people were left without water. But many of those whose taps still flow face an even more insidious threat. The state estimates that 1.5 million Californians rely on drinking water that has violated health standards."

"How the state of Texas allows industrial facilities to repeatedly spew unauthorized air pollution — with few consequences"

"Louisiana serves as a terrifying example of what can become of a state that shortchanges science and environmental regulations to boost industry and infrastructure." "If you’re visiting New Orleans and want to see something truly amazing, take your beer or daiquiri to-go and walk a few blocks past the Superdome—you’ll find a school being constructed on an old waste dump."