Canada wildfire smoke spreads
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The wildfires sweeping Canada have become the largest in its modern history. Across the country, 30 million acres of forest have burned — three times as much land as in the worst American fire in the past 50 years. The scale has forced an international response and a re- ...
Smoke from wildfires in Canada has created a crisis in the American Northeast and beyond, with air pollution in New York reaching its worst level in modern history. David Wallace-Wells, a climate columnist for The Times, explains why this happened, and why there is so li ...