Air

"The only way to know exactly what’s in a wildfire’s smoke is to sample straight from the haze. So during the Rim Fire in Yosemite—which emitted so much smoke it formed its own clouds—a NASA DC-8 passenger plane and an Alpha fighter jet each crisscrossed through the plume. On both planes, scientists had created an in-flight lab to measure exactly what the fire was producing."

"During a stop in East Chicago three months ago, Scott Pruitt vowed that cleaning up the low-income, predominantly African-American and Latino city would be one of his top priorities as head of the U.S. Environmental Protection Agency."

"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."

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

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

"Environmental and public health groups asked a U.S. Appeals Court in a lawsuit filed on Wednesday to force the U.S. Environmental Protection Agency to reverse its decision to delay issuing a set of smog cleanup rules."

"GOBERNADOR, N.M. — Desert sand crunches beneath Don Schreiber's boots as he approaches a gas well on his sprawling ranch in the heart of the San Juan Basin. The equipment is painted yellow and green to blend in with the scrub. But there's no hiding the odor of rotting eggs that wafts across the arid terrain."