With a long list of heat waves in Canada in 2025, it should come as no surprise the events this year have been linked to human-caused climate change--just like they were in 2024.

That's according to Environment and Climate Change Canada (ECCC), reviewed the extreme heat waves that affected millions of Canadians this year. As they did last year, scientists reviewed data from a number of events and came to a conclusion using its newly developed attribution system.

RELATED: CLIMATE CHANGE EXACERBATED CANADA'S SUMMER HEAT WAVES: ECCC

To help examine Canada's extreme events in 2024 and 2025--and future occurrences--ECCC established a rapid extreme weather event attribution system to compare today's climate with the pre-industrial state. It uses a tool to reveal how human-caused climate chang

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