Smoke from hundreds of Canada wildfires continues to blanket the northern U.S., spreading across roughly a dozen states from Wisconsin to Maine. Hazy skies and poor air quality are expected to impact ...

CHICAGO — The haze of unhealthful air that settled over Chicago and other Great Lakes cities Tuesday reminded Americans from the Midwest to the Northeast and as far south as Kentucky to brace for more ...

Smoke from Canadian wildfires is causing air quality concerns and hazy skies for many Americans in the Midwest and Northeast for another day this week. A map of the current Air Quality Index, the ...

Canadian wildfires triggered air quality alerts in Montana, North Dakota, South Dakota, Minnesota, parts of Wisconsin and Iowa Sunday and Monday, and experts say there won't be much improvement in the ...

The Detroit area woke up Wednesday to some of the worst air quality in the United States as smoke from Canada's wildfires settled over most of the Great Lakes region and unhealthy haze spread ...

CLEVELAND, Ohio – The environment and economy of the Great Lakes and St. Lawrence River regions of the United States and Canada will be the central focus of U.S. governors and Canadian officials when ...

Five decades after DDT was last sprayed across Canadian forests, this harmful pesticide can still be found at the bottom of several lakes. Researchers analyzed sediment from five lakes in New ...