More Republican lawmakers are calling out Canada because of wildfires sending smoke billowing across the international border into their states.

"If Canada can't get these wildfires under control, they need to face real consequences," said Wisconsin state Rep. Calvin Callahan in a news release Wednesday. "We won't sit back while our air becomes a health hazard."

Callahan joined other Republican state lawmakers from Iowa, Minnesota and North Dakota in filing a formal complaint against Canada to U.S. Environmental Protection Agency Administrator Lee Zeldin and the International Joint Commission, a binational organization that resolves disputes on shared water and air quality.

The Republican lawmakers called for an investigation of Canada's wildfire management practices and for potential r

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