Wildfires are getting worse, and so is the deadly smoke they bring with them
Grist
DECEMBER 16, 2019
Lead can get into particulate matter when a fire burns forest trees or other plants that have taken it up after it was released into the air or deposited in the soil, usually as a result of decades-old car emissions or industrial processes. “If lead or any other toxic hitchhiker is on that PM2.5 A new lead crisis? By mid-century, as the U.S.
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