Discover the most polluted cities worldwide and the alarming impact of air pollution on health, environment, and daily life.

Researchers predict the most likely outcome of the unrest at Mt. Spurr is “one or more explosive events” that could last as ...

Environmental Protection Agency Administrator Lee Zeldin on Wednesday announced nearly three dozen deregulatory moves that he ...

President Donald Trump's administration intends to overturn pollution rules aimed at reducing soot and greenhouse gas ...

Evidence of elevated volcanic activity indicate eruption of Alaska's Mount Spurr volcano could happen within weeks or months, ...

Clean air has become one of America’s best investments, returning $10 for every $1 spent on regulations, by one estimate.

Data from more than 40,000 air quality monitoring stations in 138 countries, territories and regions were analyzed for the ...