Smoke and Blame: A Tale of Two Countries The latest salvo in the blame game between the US and Canada over wildfires highlights the global nature of climate change, which knows no borders or partisan politics.
As Canadian wildfire smoke drifts south, threatening American cities, Republican lawmakers are targeting Ottawa with threats of sanctions.
President Trump has blamed Canada for "invasion" of dirty air, while senators and representatives have accused Ottawa of failing to invest in wildfire prevention methods.