See photos and read more about 7 Billion: http://bit.ly/hhYz3m and check out our first video about 7 Billion: http://bit.ly/frFeSq. 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 (http://bit.ly/if9gey). […]
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