The sternly worded statements and letters are filled with indignation and outrage: Republican U.S. lawmakers say Canada has ...

Climate activists are calling out U.S. Rep. Jack Bergman after the Watersmeet Republican sent a plea last week to a fellow ...

The hazy air hovering over US cities, including Chicago and New York, this summer is reminding Americans of just how ...

Smoke produced by hundreds of wildfires burning across Canada has drifted thousands of miles and nearly circled the entire ...

Minnesota and Canada share so much: frigid winters, a love for hockey — and more recently, massive plumes of toxic wildfire ...

Because of all of the smoke, the Pennsylvania Department of Environmental Protection has declared a Code Orange Air Quality ...

Heavy surface smoke from wildfires in Canada is drifting across Minnesota on Monday, with unhealthy air quality levels ...

The Minnesota Pollution Control Agency extended an air quality alert for southeastern and northern Minnesota on Tuesday due ...

Beach volleyball matches were postponed on Tuesday and for part of the day on Wednesday after an evacuation alert was issued ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to ...

Canada is battling more than 700 active wildfires across the country, roughly two-thirds of which are burning out of control, ...

Smoke carried by winds from wildfires burning in Nova Scotia and New Brunswick affected many parts of Prince Edward Island on Thursday.