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The Earth’s Tipping Point: 350 Parts Per Million C02:
The Feedback Loop: Ecological Damage Soon Beyond Control:
Will Dwindling Fossil Fuels Strengthen Community Ties?
The Full Program:
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The Earth's Tipping Point: 350 Parts Per Million
Bill McKibben: 350 The Most Important Number in the World - The Australian Broadcasting Corporation (From ForaTV)
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