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TransCanada submitted a permit for the Keystone XL Tar Sands Pipeline to the US State Department.
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The first phase of the Keystone XL pipeline began. This included construction on a natural gas to crude oil converstion pipeline. Construction on the pipeline that will carry the crude oil from Canada to the US also began.
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The second phase began in eary 2011 and was extending the already existing part of the Keystone Pipeline from Nebraska to Cushing, Oklahoma.
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Nobel Peach Prize laureates (GIVE SOME NAMES) tell President Obama in writing of their opposition to the pipeline
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President Obama and the State Department announce that the final decision for the Keystone XL Pipeline proposal will be delayed for 18 months to allow proper assessment of environmental concerns, especially through Nebraska.
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Republicans, through the House of Representatives pass legislation giving President Obama one month to make a decision about the pipeline.
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President Obama denies the TransCanada Keystone XL Tar Sands Pipeline
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Former President Bill Clinton has entered the controversy in favor of pipeline construction saying to "embrace it."
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US President Barack Obama visited the Keystone Pipeline in Cushing, OK, saying the oil refinerty is a key ingredient and priority to his administrations infrastructure. The President also said he will expedite the permit for the southern half of the pipeline.