The video is part of National Geographic's series on world population occasioned by the arrival of the world's 7 billionth person on October 31, 2011. The series (available as a free app) explores the challenges - and potential solutions - for coping with a growing population in a world of limed resources.
This particular segment provides some interesting facts about the world's population in trying to define the typical human but also reminds us that all 7 billion of us make decisions and these decisions collectively make a big difference.
The study of population trends is critical to investigating units of study that explore human-environmental interactions, carrying capacity, ecological footprint, and social justice as it relates to both population and consumption. The other videos in the series may be used to investigate these related topics.
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