With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.

Despite Trump’s denials, Canada produces a lot that the United States needs, from oil, critical minerals, and fertilizers to manufactured goods, software, and services. Canada’s geography is even more ...

Negotiations over the Columbia River basin could affect the environment in Canada and electrical generation and flood control in the United States. Negotiations of a 60-year-old treaty between ...

Air quality alerts remain in effect June 6 for Southeast Michigan 00:54. An air quality map shows conditions improving across the United States on Friday as smoke from the Canadian wildfires ...

Wildfires in Western Canada forced thousands of people to flee their homes and sent smoke across the country and as far as the southern United States and France earlier this month. There are still ...

Increasingly tense relations between the United States and Canada are expected to result in a drop of Canadian visitors to the U.S. this year. What’s less clear: Whether Americans will limit ...

With 174 active wildfires burning across Canada, several U.S. states are under air quality alerts due to the traveling smoke from these flames.

After the slow start, the United States and Canada announced the rough outlines of agreement last summer that reflected a reality far different from what the treaty writers in the 1960s anticipated.