the guardian Monday 19 November 2012
Environmental activists protest against the Keystone XL pipeline on 18 November 2012. Photograph: 350.org
Hundreds gathered for the protest, in the hope Obama will reject the presidential permit required for the pipeline
Hundreds of people who say they worry oil that would be carried the Keystone XL pipeline will accelerate climate change marched around the White House on Sunday, hoping to revive a movement credited with slowing down the permit process for the crude oil project.
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