In a stark warning on climate change impact, Canada’s environment ministry reported that human activity is driving record-breaking heat waves across the country, including a 25-day heat spell in the Arctic’s Qikiqtaaluk region. The summer’s extreme heat waves have been fueled by human-induced climate change, with Canada’s Arctic warming at three times the global average rate, according to Canada’s Environment Minister.
In a pioneering approach, Environment and Climate Change Canada deployed a new analytical tool to link extreme weather events directly to climate change, comparing current data with pre-industrial levels. For instance, it determined that human activity had made a mid-June heat wave on Canada’s east coast two to ten times more likely. In total, the ministry analyzed 37 heat waves across Canada this summer and found that human-induced factors amplified nearly all of them.
Environment ministry researcher Nathan Gillet highlighted that Canada’s national summer temperatures have increased by 1.7 degrees Celsius over the past 77 years, underscoring the acceleration of climate effects across the country.
In the Arctic, where temperatures in Inuvik soared to an exceptional 35°C this summer, climate change’s impact is especially evident. The ministry warns that these once-in-a-century climate events are now frequent, severe, and costly. This winter, Canada plans to apply the climate analysis tool to assess links between human-induced climate change and extreme cold events, reflecting a shift toward data-driven climate adaptation strategies.
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