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The National | Jun 25, 2013 | 3:23

Obama's climate change plan

U.S. President Barack Obama says the proposed Keystone XL project should only be approved if it doesn't 'significantly exacerbate' greenhouse gas emissions

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The National - The National for April 23, 2014Apr 23, 2014 | 47:14The National The National for April 23, 2014 VideoClosed Captions available
The National The National for April 23, 2014 Apr 23, 2014 | 47:14Welcome to The National, the flagship nightly newscast of CBC News, hosted by Peter Mansbridge.

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