Under a lingering heat dome that engulfed Western Canada in late June through mid-July 2021 (peak temp. 49.6 degrees C), an estimated 700 lives of Canada's most vulnerable were lost. Provincial health services were strained to a near breaking point.
Industry slowed as worker productivity slowed, with many experiencing heat-related injuries. This catastrophic extreme heat event comes on the heels of record-breaking temperatures in 2020, which capped the hottest decade ever recorded in Canada and the planet.