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Want to Save the Planet? Give All Its Women Equal Power to Men
GALLERY: World Population Trick or Treat
The U.N. projects 7 billion people on Earth for Halloween.
Feeding 9 Billion by 2015
A team of researchers has proposed a plan to feed us all—without sacrificing the environment.
7 Billion Humans by Year's End
After that, things may get crazy.
The Daily Wild: Feline and Fabulous
Photo of the Day: Guns and Rebar
Your Fragile Planet: 'Angel Oak'