The good news: population growth is slowing, life expectancy is rising, and the hole in the ozone layer, which shields us from ultraviolet rays, is expected to shrink. But our climate and our biodiversity are in peril, and food and water supplies will be tight.

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  • Food
  • Water
  • Biodiversity
  • Population
  • Climate/Energy
    •   NASA
      Graphics by Joe Lertola. Reported by Laura Bradford and Andrea Dorfman Posted August 18, 2002