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Societal shifts due to COVID-19 reveal large-scale complexities and feedbacks between atmospheric chemistry and climate change

By Joshua L. Laughner and others
The COVID-19 global pandemic and associated government lockdowns dramatically altered human activity, providing a window into how changes in individual behavior, enacted en masse, impact atmospheric composition. The resulting reductions in anth

‘They’re killing our children’: mothers from around the world demand action on fossil fuels

By Damian Carrington and Nina Lakhani
It may have been his toughest meeting yet. A delegation of mothers from all over the world, all of whom had seen their own children suffer health damage from air pollution, met the Cop26 president,…

Poison in the Air

By Lylla Younes and others Photo: Kathleen Flynn
From the urban sprawl of Houston to the riverways of Virginia, air pollution from industrial plants is elevating the cancer risk of an estimated quarter of a million Americans to a level the federal government…

Wildfire smoke poses serious health hazard. But your indoor air can be kept clean.

By Bernard J. Wolfson Photo: Burak Arik
The fierce wildfires that broke out across much of the western United States this summer, spreading smoke across hundreds of miles, continue to pose a serious health hazard to millions. More are expected this fall.…

UN health agency sets higher, tougher bar for air quality

By Jamey Keaten And Drew Costley Photo: Brian Inganga, File
The harmful health effects of air pollution kick in at lower levels than previously thought, the World Health Organization said Wednesday as it set a new standard for policymakers and the public in the first…

Cutting air pollution levels could raise life expectancy by 2 years: study

By Sharon Udasin
Reducing global air pollution levels to meet the World Health Organization’s (WHO) guidelines would boost average life expectancy by 2.2 years, a new study has found.

Lake Tahoe Suffocates With Smoke

By Thomas Fuller and Shawn Hubler Photo: Max Whittaker for The New York Times
Smoke from the Caldor fire is overwhelming one of California’s most iconic regions — and confounding thousands of newcomers who fled there in recent months to escape the coronavirus.

Gaps in US wildfire smoke warning network leave many exposed

By Matthew Brown and Padmananda Rama Photo: Matthew Brown , AP
 Huge gaps between air quality sensors in the western U.S. have created blind spots in the warning system for wildfire smoke plumes sweeping North America this summer, amid growing concern over potential health impacts to…

Wildfire smoke leads to worst air quality on record in Nevada counties

By Celine Castronuovo
Wildfires continuing to spread across California have pushed smoke across to neighboring states, with several Nevada counties reporting their worst air quality index (AQI) levels on record this week.

The Ashes of the Dixie Fire Cast a Pall 1,000 Miles From Its Flames

By Livia Albeck-Ripka Photo: Jungho Kim
Captured by an astronaut’s camera, the Dixie Fire appears as a thick and sickening miasma pouring from the earth’s surface. At its center in the eastern mountains of California, the fire is devouring acre after…