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While there have been suggestions that wildfires are becoming more frequent and severe due to climate change, environmental and economic professors interviewed by The Epoch Times say the number of fires has been decreasing for decades, and that the cause of the fires in many cases can be attributed to poor forest management.
“The prime minister said that climate change is causing more and more forest fires, and the record shows the opposite,” said Ross McKitrick, an environmental economics professor at the University of Guelph.
“The Canadian Wildland Fire Information System shows that the number of forest fires has actually been going down in Canada since the 1990s.”
As several wildfires in northern Quebec led to thick smoke plumes that blanketed cities across Ontario and the Eastern United States, Prime Minister Justin Trudeau claimed that Canada is experiencing “more and more of these fires because of climate change.”
“These fires are affecting everyday routines, lives and livelihoods, and our air quality. We’ll keep working—here at home and with partners around the world—to tackle climate change and address its impacts,” he said on Twitter on June 7.
U.S. President Joe Biden made a similar comment on Canada’s wildfires, tweeting that such events “are intensifying because of the climate crisis.”
But McKitrick notes that even the U.N.’s Intergovernmental Panel on Climate Change isn’t blaming wildfires on climate change.
“When people look for an easy explanation, trying to blame it on climate change for instance, the obstacle to that is if it was a global climate change story, we’d see an increase globally in area burned from wildfires, and that isn’t there in the record,” he said.
“The major data collection agencies and scientists who studied them have not claimed there’s an increase in global area burned—if anything, it’s trending down slightly—and the Intergovernmental Panel on Climate Change doesn’t make that claim, doesn’t say that that’s a detectable effect of climate change.”
He adds that what has made the current Quebec fires so unusual is that the smoke plumes have formed over southern Ontario and the U.S. Eastern Seaboard.
Forest Management
Cornelis van Kooten, a professor of economics and Canada Research Chair in Environmental Studies and Climate at the University of Victoria, also says poor forest management has made the wildfire situation worse.
“In the past, we used controlled burns, but environmentalists are against those, so we don’t do that anymore. So as a result of the increased fuel loads, you get these more intense, bigger fires,” he said.
While van Kooten said climate change has had “some effect” on the frequency of forest fires, he cautioned against solely attributing the problem of wildfires to rising CO2 levels, as well as seeing carbon reduction as the only solution.
“If that’s all you’re going to do, well, you’re not dealing with the problem of forest fires,” he said.
“We’re just poor at managing forests, and the reason we’re poor at managing forests is a number of factors. One is we’re unwilling to spend the kind of money that’s needed.”
Dr. Matthew Wielicki, a former assistant professor in the Department of Geological Sciences at the University of Alabama, points out that according to the Canadian National Fire Database, since 1980, the number of wildfires has been trending downward as greenhouse gas emissions increased.
Wielicki said fire suppression techniques in Canada and the United States have inadvertently caused the buildup of flammable underbrush in forests.
Arson
The timing and intensity of some of the wildfires across Canada have led many to theorize online that they were the result of arson. On June 8, Alberta Premier Danielle Smith said the province would be bringing in arson investigators to determine the reason behind 175 wildfires with no known cause.
“There is an investigation because the cause is suspect,” Sûreté du Québec media officer Hugues Beaulieu said.
However, he said he believes the Quebec wildfires were caused by lightning, not by arson, as the timing of the fires lined up with a series of storms that caused lightning strikes, which would have sparked the fires.