http://video.nationalgeographic.com/video/the-magazine/the-magazine-latest/ngm-7billion-typical/
Seven Billion: Are You Typical? National Geographic magazine continues a yearlong series examining the specific challenges and solutions we face as the worldwide population reaches 7 billion people in 2011 with a March story looking at humans' massive impact on the planet. Other stories will follow throughout 2011.
Tuesday, July 17, 2012
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