The climate-driven wildfires currently razing Canada’s northern forests and darkening skies across the continent may have an unexpected effect: according to a new study, the fires may reduce global warming and sea ice melt in the Arctic.

The rising impact of blazes in Canada and Siberia’s boreal regions over the next 35 years will slow warming by 12 per cent globally and 38 per cent in the Arctic, according to recent climate modelling research at the University of Washington (UW). But the study’s authors warn that while the study may sound positive, it’s just one part of a trend that overall spells major trouble for northern ecosystems.

Boreal forest fires affect the climate as smoke particles scatter sunlight back into the atmosphere. These particles, or aerosols, also attract w

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