Air

"The emissions and methane leaks from new gas plants zero out the CO2 cuts achieved from closing coal plants, a peer-reviewed analysis found."

"Mario Molina, who shared a Nobel Prize in chemistry for demonstrating the threat to the ozone layer posed by CFCs, chemical compounds often found in refrigerants and hair sprays and whose use was later curtailed by a landmark international accord, died Oct. 7 at his home in Mexico City. He was 77."

"Ariel Kinzinger had a headache. Clark Brinkman coughed and wheezed. LaNesha Collins, feeling physically fine, was frustrated by another day mostly trapped inside looking out at a sepia sun, in Portland, Ore."

"A three-judge panel appeared divided Thursday on President Trump’s effort to repeal his predecessor’s regulations on planet-warming emissions from the power sector and replace them with far weaker controls."

"Emissions of nitrous oxide, a climate super-pollutant hundreds of times more potent than carbon dioxide, are rising faster than previously thought—at a rate that not only threatens international targets to limit global warming, but is consistent with a worst-case trajectory for climate change, a new study suggests."

"The Centers for Disease Control and Prevention now says the coronavirus can be spread through airborne particles that can linger in the air "for minutes or even hours" — even among people who are more than 6 feet apart."

"Fires in Brazil’s Amazon increased 13% in the first nine months of the year compared with a year ago, as the rainforest region experiences its worst rash of fires in a decade, data from space research agency Inpe showed on Thursday."

"The Environmental Protection Agency (EPA) on Thursday finalized a rule that could reclassify many “major” sources of pollution as minor ones, allowing facilities to abide by less-stringent emissions standards for dangerous substances such as mercury, lead and arsenic."