Dangerous smoke sweeps US; particle pollution from wildfires threatens remote cities

Climate change threatens to reverse decades of progress in cleaning America’s air, especially in the West. Unhealthy air alerts triggered by particles of pollution are rising in dozens of cities and counties, chiefly in Western states, the American Lung Association reports. The main reason is rampant wildfires, fed by global warming, causing an annual cycle of smoky devastation. Read More: https://trib.al/wvfXLe0 Follow The Hill on social media: Website: thehill.com Facebook: facebook.com/thehill Instagram: instagram.com/thehill Twitter: twitter.com/thehill