Air

"Documents show that Ascend Performance Materials, the nation’s largest emitter of nitrous oxide, is still emitting significant amounts of the climate super-pollutant."

"Efforts by the nation’s largest emitter of nitrous oxide to rein in the release of the potent greenhouse gas are behind schedule, allowing the emissions, which are relatively easy to eliminate, to continue to fuel climate change.

"Air pollution may affect semen quality, specifically sperm motility — the ability of sperm to swim in the right direction — according to a new study analysing the sperm of over 30,000 men in China."

"A city commissioner race in Florida provides a window into how the sugar industry cultivates political allies, who help protect its interests."

"Pollution by states and companies is contributing to more deaths globally than COVID-19, a U.N. environmental report published on Tuesday said, calling for "immediate and ambitious action" to ban some toxic chemicals."

"The province of Alberta will toughen its greenhouse gas emissions standards for oil sands mines, closing a loophole that rewarded some of Canada’s highest-emitting facilities with millions of dollars’ worth of tradeable credits, its environment ministry told Reuters."

"Health-care workers and others who are exposed on the job to formaldehyde, even in low amounts, face a 17 percent increased likelihood of developing memory and thinking problems later on, according to research published in the journal Neurology."

"EPA and indoor air quality experts are pushing ventilation and filtration as a key means to keep kids healthy during the pandemic as other measures to stop the spread of Covid-19 have become increasingly polarized."

"In a new draft document, the Environmental Protection Agency’s (EPA) science advisers recommended that the agency tighten its air quality standards for soot pollution after the Trump administration declined to make such a move.

The new draft that was released Friday by the EPA’s Clean Air Scientific Advisory Committee (CASAC) says “all CASAC members agree that the current level of the annual standard is not sufficiently protective of public health and should be lowered.”

"About 86 percent of people living in urban areas worldwide — 2.5 billion people — are being exposed to air pollution levels roughly seven times greater than World Health Organization guidelines, according to new research, led by George Washington University researchers and published in the Lancet Planetary Health journal."

"Biden administration officials are kicking off a crackdown on power plant pollution, aiming to shift the nation’s electricity supply to cleaner energy in the face of congressional resistance and a Supreme Court that could limit the federal government’s ability to tighten public health standards."