350: The most important number in the world. Bill McKibben

Part 1 | Part 2 | Part 3

Leading international activist and best-selling author Bill McKibben reveals how far beyond the carbon tipping point we have gone and what can be done about it. According to McKibben, the most recent science says that unless we can reduce the amount of carbon dioxide in the atmosphere to 350 parts per million, we will cause huge and irreversible damage to earth. McKibben, whose seminal 1989 work The End of Nature is widely regarded as the first book about climate change for a general audience, looks to the evidence of vast Arctic sea melts that have forced usually conservative scientists to drastically re-evaluate their predictions.

Sydney Ideas, University of Sydney, May 2009

Source: Sydney Ideas, University of Sydney

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