Canada Environment Canada heat warnings remain in effect from Ontario to Newfoundland Daytime temperatures from Windsor, Ontario, to St. John’s, Newfoundland, are going to remain hot a little longer. July 17, 2025
Heat warning for southern Ontario expected to end Sunday: Environment Canada July 6, 2025 Toronto & GTA
Heat wave blamed for 42 Toronto emergency room visits, public health says June 26, 2025 Toronto & GTA
World Half of world’s population endured extra month of extreme heat due to climate change, experts say Scientists say 4 billion people, about half the world’s population, experienced at least one extra month of extreme heat because of human-caused climate change from May 2024 to May 2025. May 30, 2025
