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  1. Mar 15, 2022 · The Keystone XL pipeline extension, proposed by TC Energy (then TransCanada) in 2008, was initially designed to transport the planet’s dirtiest fossil fuel, tar sands oil, to market—and fast ...

    • The pipeline has a complicated history. The Keystone XL pipeline was first proposed nine years ago, during the rise of the tar sands oil boom in Alberta.
    • The pipeline may impact wildlife. Opponents have warned that the pipeline could endanger many animals and their habitats in the U.S. and Canada through the infrastructure’s construction, maintenance, and possible failures that could lead to an oil spill.
    • The pipeline may increase oil production. Once built, about 830,000 barrels of heavy crude oil per day will flow from Alberta, Canada, to the refineries along the U.S. Gulf Coast, which are built to handle the kind of heavy crude oil that comes out of the tar sands.
    • Will the pipeline contribute to climate change? Many climate activists have opposed the pipeline on the suspicion that it may increase our reliance on, and use, of fossil fuels, and further delay investment in more renewable technologies.
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  3. Jan 23, 2013 · His acts of civil disobedience started in 2009, and he was first arrested in 2011 for protesting the development of Canada's tar sands and, especially, the Keystone XL pipeline proposal that would ...

  4. Jan 25, 2017 · 2. How the Pipelines May Impact Oil Production. If the Keystone XL pipeline is built, about 830,000 barrels of heavy crude oil per day will flow from Alberta, Canada, to the refineries along the U ...

    • Heather Brady
    • 2 min
  5. Aug 10, 2014 · The proposed Keystone XL pipeline to connect Canadian oil sands with US refineries and ports has attracted much controversy. Based on an economic model, this study finds that the biggest emissions ...

    • Peter Erickson, Michael Lazarus
    • 2014
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