“7 Billion”

The world's population will hit the 7 billion mark this year. National Geographic gives some context to what that really means.

• 2011-01-04T21:01:03+00:00
• Duration: 02:58

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Keywords

7 billion, 7 billones, national, geographic, world, population, población, mundial, magazine, ciudadanos, gente, mundo, personas, recursos, pocos, gente, 2011