US President Donald Trump on Friday threatened a tariff increase on Canada to cover the cost of smoke pollution from wildfires that have choked large parts of the US. Dense wildfire smoke billowing down from Canada and northern Minnesota has set off unhealthy air quality alerts across the US.As of y

Donald Trump appears to believe Canada sent wildfire smoke to the United States on purpose.

Trump accused Canada of “willful negligence” and failing to properly maintain their forests.

Trump blamed Canada for wildfire smoke and called for more tariffs, accusing the country of mismanaging its forests.