The Toll of Wildfire Smoke

Much of the United States is blanketed in haze. We’re coming to you a day early to talk about what that means. New York City used to have deadly smog. Pittsburgh had bad air. Also Los Angeles. It got a lot better. Until it didn’t. Wildfire smoke has reversed the gains this country made in cleaning up its air. The latest example came this week, when wildfire smoke from Canada gushed down across the border, filling the sky with toxic, soupy haze in the Northeast, including New York City, where...