Chiang Mai now ranks among the world's most polluted cities as fires engulf the surrounding countryside in recent weeks.
Global air quality declined in 2025, with more cities reporting standards below international health guidelines on the impact ...
A new report shows air pollution threatens the majority of the world’s population, while information gaps increase the risks.
Research reveals climate-driven pollution will surge, increasing air quality alerts and highlighting the need for protective ...
Chicago officially had the worst air quality in the world for a few hours Thursday. As a haze of Canadian wildfire smoke blanketed the metro area, no other major city in the world had air pollution ...
Minnesota Attorney General Keith Ellison is co-leading a multi-state lawsuit challenging the Trump administration’s rollback ...
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China's huge push to reduce air pollution had an unexpected consequence in the Arctic
China's cuts to aerosol emissions reduced sea ice loss, but it may have revealed a bigger story about climate change.
South Coast AQMD says air quality could become unheathy in some or all of the Coachella Valley starting on Tuesday, March 31, ...
The EPA granted the Phoenix area an exemption from stricter air quality regulations, citing international emissions from Asia ...
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