Sources: Soot Pollution

1. American Lung Association, Health Impact of Air Pollution
  https://www.lung.org/research/sota/health-risks
2. Children’s Environmental Health Collaborative, Air Pollution
  https://ceh.unicef.org/spotlight-risk/air-pollution
3. EPA, Particulate Matter Basics
  https://www.epa.gov/pm-pollution/particulate-matter-pm-basics
4. Harvard T.H. Chan School of Public Health, “Fossil Fuel Air Pollution Responsible for 1 in 5 Deaths Worldwide”
  https://www.hsph.harvard.edu/c-change/news/fossil-fuel-air-pollution-responsible-for-1-in-5-deaths-worldwide/
5. World Health Organization, Air Quality, Energy, and Health
  https://www.who.int/teams/environment-climate-change-and-health/air-quality-and-health/health-impacts/types-of-pollutants

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