Bill McKibben: Speaking at Powershift 2011
350.org founder and environmental activist Bill McKibbon speaking at Power Shift 2011 – April 16, 2011
View ArticleLisa Jackson: Speaking at Power Shift 2011
The Keynote for Powershift 2011 by EPA Administrator Lisa Jackson!
View ArticleVan Jones: Speaking at Powershift 2011
The Keynote Speech at Power Shift 2011 by Van Jones!
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