The challenge comes following the Shelby County Health Department's decision to issue an air permit to xAI for methane gas ...

Much of Central Canada was placed under special air quality statements amid smoke from wildfires, as Environment Canada advised residents to limit time outdoors.

What's up with the hazy skies over parts of Connecticut Wednesday? The most likely culprit is ozone, though not the kind high up in the atmosphere that forms a protective shield against harmful rays ...

University of Utah researchers believe inflammation starts a months-long process that increases risk of aneurysm rupture.

With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the nation’s worst air quality. But officials face growing pushback about ...

HANOI, Vietnam (AP) — Vietnam will ban fossil-fuel motorcycles and mopeds in the heart of the capital, Hanoi, starting July ...

Environmental advocates said the proposed biofuels transfer station would mark a retreat from the city’s fight to curb ...

China’s smog reducing efforts improved public health - but may have accelerated global warming by reducing sunlight-reflecting aerosols.

Amogy's technology generates power from ammonia without pollution, making it a prime candidate for decarbonizing maritime ...

So happy smogiversary, Los Angeles. We can breathe a lot easier than we used to, but don't let that fool you — we still have ...

Aerosol paint makers will get additional time to comply with updated regulations limiting air emissions that trigger ozone ...

The air quality index has been poor for several days in Quebec, and although the situation improved on Wednesday, adverse ...