ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up to receive our biggest stories as soon as they’re published. Ethylene oxide was once considered an unremarkable pollutant.

Long-term exposure to fine particulate matter like PM 2.5 components in polluted air can not only cause respiratory diseases, but also increase the risk of depression in older people, especially in ...

Companies are offering much-needed, but expensive, air purification systems to shelter from the smog in one of the world’s most polluted cities. Workers assembling YOGA Clean Air units in a factory in ...

New Delhi - Authorities in India's capital have urged elementary schools to hold classes online, banned construction and urged people to work from home as the annual plague of air pollution hit the ...

Marathon runners consistently finished slower in cities with higher levels of dangerous particles in the air, researchers found. By Hiroko Tabuchi and Brad Plumer Every marathon runner has had a bad ...

Air pollution can cause lung cancer in non-smokers, according to a recent Henry Ford Health study that examined years of data from Wayne County. The study found that non-smokers who lived near textile ...

Air pollution in Hanoi is causing widespread health problems and productivity losses. While the government is moving to phase out petrol vehicles and curb urban emissions, much of the city’s pollution ...

Jakarta’s air pollution crisis extends indoors, where fine particulate matter often exceeds outdoor levels and World Health Organization guidelines. Poorer households face nearly double the exposure ...

Only 12 regions on Earth meet the WHO guideline figure for acceptable air pollution levels. On the other hand, tens of regions exceed it by more than 10 times that figure. Air pollution is among the ...

Air pollutants from U.S. oil and gas operations are causing 91,000 premature deaths and hundreds of thousands of health issues each year — with racial and ethnic minority populations bearing the ...

PITTSFIELD — With climate change and weather patterns visibly affecting air quality, Drake Reed says people should be prepared for how to handle it. “There are a lot of different ways air pollution is ...

Air pollution is the leading environmental health threat to people worldwide. According to the World Health Organization, outdoor air pollution causes over 4 million premature deaths each year — ...