As the planet heats up, wildfire seasons are getting worse. Wildfires have caused mass destruction to homes and community infrastructure in Collins First Nation. Thousands of people have been evacuated from their communities across Northern Ontario. Fires continue to rage across the country.

Even those of us living in cities, safe from the flames, are feeling the effects. Toronto briefly had the worst air quality in the entire world this week, which led to government warnings to limit time outside, cancelled World Cup screenings and shutdowns of public pools. And it’s more than a nuisance. The Canadian Climate Institute estimates that wildfire smoke is associated with about 2,500 premature deaths per year across the country.

David Wallace-Wells is a climate journalist and author of The Uninhabitable Earth. He joins us to talk about what it means that wildfire smoke is becoming a more regular part of our lives, and its place in the larger battle for clean air around the world. 

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