Air

"EPA will not allow the shuttered St. Croix refinery to reopen until the owners obtain a new Clean Air Act permit accompanied by upgraded pollution controls."

"The Biden administration is strengthening its plan for limiting methane emissions from oil and gas wells after environmentalists panned an earlier version as too weak."

"A Philadelphia environmental group has filed an appeal to block a proposed $1.1 billion “advanced” plastics recycling plant in rural Pennsylvania after the administration of Gov. Tom Wolf, a Democrat, exempted the facility from having to obtain a solid waste permit."

"Authorities in New Delhi ordered primary schools to shut from Saturday, and told schools to stop outdoor activities for older children as air in the world's most polluted capital had become a severe risk to health."

"The U.S. Environmental Protection Agency (EPA) said on Thursday it plans to issue tougher greenhouse gas emissions rules for heavy duty trucks and other larger vehicles through at least the 2030 model year by the end of 2023."

"Racially segregated communities in the United States are exposed to airborne toxic metals at a rate that’s nearly 10 times higher than more well-integrated areas, according to a new study published Tuesday."

"A common smell of American childhood, the diesel fumes wafting through yellow school buses, may soon be obsolete, as school districts across the nation turn to electric buses amid falling costs and growing concerns about global warming."

"Seattle, Washington, and Portland, Oregon, were the two major cities with the worst air quality in the world Thursday due to wildfires burning in the Pacific Northwest."

"The Environmental Protection Agency announced plans Thursday to further cut emissions of climate super-pollutants widely used in air conditioning and refrigeration, the latest step in the United States’ effort to phase down the potent greenhouse gases."

"When Janet Schaaf-Gunter peered through the window at San Pedro Bay last year, she saw so many cargo ships it looked as if Southern California was on the brink of an invasion."