Norimitsu Onishi via The New York Times:

‘As smoke from forest fires in Canada have darkened skies south of the border, lawmakers in Michigan, Ohio and other U.S. states have accused the Canadian authorities of inaction and poor forest management. But most wildfires in Canada spread in such remote, vast areas that they cannot be fought effectively — and are often left to burn.

Half of Canada’s wildfires, like the ones now burning in northern Ontario, burn in such areas — either unpopulated or dotted with small Indigenous communities, said Michael Flannigan, an expert on fire management at Thompson Rivers University in British Columbia. They are most often accessible only by plane, with no roads for firefighters….’