Air Pollution: The World's Biggest Environmental Health Risk

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  • What's in the Air?
  • International Crisis
  • Regions Hit the Hardest
  • Damaging Our Health
  • The Most Vulnerable
  • Disproportionate Effects
  • Unequal Exposure
  • City Air
  • A Call to Action
  • The Causes
  • A Threat to Children
  • Strategies and Solutions
  • Next Steps

What's in the Air?

The cause of seven million deaths in 2012, air pollution is now the world's largest single environmental health risk, according to a recent report from the World Health Organization. Keep reading to find out who is most affected by this global crisis. Patrice Peck

(Photo: Jeff Fusco/Getty Images)

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