Trump’s EPA policies risk more Alzheimer’s cases, doctors warn
Joe Romm
4313

Sources of particulate matter emissions:

  • Wood smoke: 38%
  • Cars and trucks: 15%
  • Geologic dust: 12%
  • Combustion from stationary sources: 11%
  • Other mobile sources: 9%
  • Industrial, commercial, & refineries: 7%
  • Commercial cooking: 4%
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