7 Billion! National Geographic
National Geographic Video 7 Billion exploring the issues of a world population of 7 billion.
http://video.nationalgeographic.com/video/player/specials/sitewide-redesign/n...
National Geographic Video 7 Billion exploring the issues of a world population of 7 billion.
http://video.nationalgeographic.com/video/player/specials/sitewide-redesign/n...