Canadian Cities
Toronto Ranks Among World’s Most Polluted Amid Smoke and Heat
Toronto faces dangerous air and heat levels as wildfire smoke and extreme humidity blanket the region; health alerts remain in place through Thursday. Smoke-Filled Skies...
Canadian Cities
Toronto Air Study Uncovers Surprising Winter Pollutants
A major study of Toronto’s winter air reveals unexpected levels of pollutants including tire dust, metals, and perfumes, raising concerns about urban exposure.
Major Study...
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