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VIDEO:People

The Challenges of Humanity in the 21st Century

Description:John Elkington reflects on the challenges that humanity can expect as the 21st century unfolds. They range from global epidemics to water scarcity, fisheries collapse and water scarcity. He is an optimist but believes that over-population and resource depletion are forces that could well unleash catastrophe. (7:45)

Source: BigPictureTV

Tags: The Challenges of Humanity in the 21st Century , bigpicture.tv , bigpicturetv , climate change in 21st century

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