The State of the Air report ranks Eugene-Springfield as polluted. That may shock residents, so here's what's behind the ...

The NWS Phoenix AZ reported an air quality alert at 9:49 a.m. on Monday in effect until Tuesday at 8 p.m. for Imperial Valley ...

Eagan Capital argues that the one-year pause passed by the City Council in February exceeded the city’s authority.

A "purple" air quality alert was issued for Washington, D.C., and surrounding areas, on Sunday, meaning pollution reached ...

Skywatchers across the Southern Hemisphere can expect up to 20 meteors per hour when the Southern Delta Aquariid meteor ...

When the government can’t or won’t protect the environment, citizens may feel compelled to act, Keith Kozloff writes.

Ohio's major rivers are showing signs of a rebound after decades of industrial pollution killed off native species.

If you pay attention to the ingredients in your skin-care products, you may have noticed ectoin (pronounced ek-toyn) popping ...

Just days before the Hoffman Estates Village Board was set to vote on a controversial plan to rezone a patch of farmland for ...

Explore the EPA's mission to protect human and environmental health through regulations. Understand its enforcement of laws ...

Residents of Washington, DC, on Sunday briefly experienced the worst air quality of any major city in the world, according to ...