BBC NEWS | Science/Nature | World's pollution hotspots mapped - The Diigo Meta page

• 27 Jan 11
  

  Natalia Turturica
• 04 Jun 10
  

  haydee sampiano

  071025 pollution

• 26 Oct 07
  

  steve t

  071025 pollution

  • Heavy metals such as lead are the main sources of pollution, with 10 million people affected across the locations.
• 06 Nov 06
  

  Asteris Masouras

  environment bbc pollution

• 26 Oct 06
  

  technorebel

  Environment

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