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Published on Jan 5, 2011
Prof Jeffrey D Sachs Director -- The Earth Institute & Special Advisor to the Secretary-General of the United Nations, USA
Prof Sachs talks about the importance of identifying and experimenting with the right kind of technologies to help the issue of climate change. He outlines four issues and their implications, four realities and four solutions on the subject; Technology changes and structures we must implement if we are serious about the issue.