Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.

The Environmental Protection Agency has decided to revoke a key scientific finding it published 16 years ago that six ...

The National Weather Service reported an air quality alert at 1:20 p.m. EDT on Monday in effect until Wednesday at midnight ...

Recently retired Colorado scientist Lisa McKenzie chased the link between fracking and adverse birth outcomes, cancer and ...

The Pennsylvania Department of Environmental Protection has issued an orange air quality alert for much of northern Pennsylvania. The alerts were initially issued this weekend as a result of Canadian ...

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Smoke from ongoing wildfires in Canada is impacting the air quality in states across the Midwest and Northeast of the U.S.

On Monday at 12:50 p.m. EDT an air quality alert was reported by the National Weather Service in effect until Wednesday at ...