• 

  James Hansen CBC Interview on Carbon Tax and Keystone Pipeline

  Published On: May 2, 2013
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  James Hansen: Tipping Points, Carbon Tax and organized Denial

  Published On: May 2, 2013
• 

  PBS Frontline: Climate of Doubt

  Published On: May 2, 2013
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  Obama calls for swift action to tackle emissions

  Published On: May 2, 2013

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