Smoke from Canadian wildfires carried another day of poor air quality south of the border to the Midwest, where conditions in ...

Parts of the Twin Cities registered upward of 240 on the air quality index — levels considered “very unhealthy” for everyone ...

Launched by UCLA and American Forests to combat heat-related deaths, the tool maps the shade infrastructure for over 360 U.S.

Washington, D.C. — The Trump administration’s assault on environmental protections could trigger millions of asthma attacks while giving polluters a free pass, according to a new report from the ...

Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.

Smoke from more than 100 wildfires blazing in Canada is expected to spread to impact air quality in more U.S. state.

There is a clear divide in terms of housing affordability between the north and south of the country, a new study reveals.

The Trump administration’s plan to weaken clean air protections could cause more than 10,000 asthma attacks per day while ...