"7 Billion" app explores the trends and effects of a growing population in light of diminishing resources and a world climate that is deteriorating.

As nations all over the world commemorate the symbolic birth of the seven billionth human being, National Geographic announces 7 Billion, an app that explores the impact of the new world population on a world with limited resources. Downloadable for free from iTunes, 7 Billion showcases informative videos, interactive maps, in-depth articles, and stunning photography that aim to highlight and quantify the trends and effects that surround this milestone in human population growth. Featured content include the following information on the world population:

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