Can anything be done to control Canada's wildfires and limit harmful smoke that travels into densely populated areas? Here's what to know
bloom.bgWhat Makes Canada’s Wildfires So Hard to FightIn Canada’s boreal forest, which stretches for around 300 million hectares (740 million acres) across much of the country, wildfires can burn for weeks on end, tearing through highly flammable pine and spruce trees. In recent years, vast, longer-burning blazes have sent massive clouds of smoke into southern Canada and the US Midwest and Northeast, choking the air for tens of millions of people.
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