Heavy smoke from several large wildfires blazing in Canada and Minnesota is engulfing large swaths of the Midwest and the U.S ...

The leader of Canada’s Ontario province on Saturday lashed out at President Donald Trump over his threat to add “the cost of ...

US President Donald Trump threatened on Friday a tariff increase on Canada to cover the cost of smoke pollution from ...

This approach is far more carbon- and energy-efficient than conventional methods, according to the researchers.

An air quality alert will remain in effect across much of the Chicago area through the end of the weekend as a second round ...

Wildfire smoke from Canada sparks tariff threats as the president targets pollution crossing into the U.S.

Air quality in Washington, D.C., and Northern Virginia remained at Code Red on Saturday as wildfire smoke kept fine-particle ...

More than 100 million Americans are under air quality alerts as smoke from wildfires in Canada and northern Minnesota ...

By David Ljunggren and Wa Lone OTTAWA, July 17 (Reuters) - President Donald Trump on Friday blamed Canada for wildfire smoke ...

The Delhi government has directed schools to implement a year-long air pollution awareness plan with structured monthly ...

All week long, wildfire smoke swirling to the east from Minnesota and Ontario has darkened skies, ruined outdoor plans and ...

At 8:03 p.m. on Saturday, the National Weather Service reported an air quality alert in effect until Sunday at midnight for ...