Opponents of the Keystone XL pipeline demonstrate on the Dodge Street pedestrian bridge during rush hour in Omaha, Neb., on Nov. 1, 2017. A federal judge in Montana has blocked construction of the $8-billion Keystone XL pipeline to allow more time to study the project’s potential environmental impact. THE CANADIAN PRESS/AP, Nati Harnik

U.S. judge blocks construction of $10-billion Keystone XL pipeline

Two other export pipelines - expansion of the TransMountain pipeline and Enbridge Inc.’s Line 3 pipeline replacement - also face uncertainty

TransCanada’s $10-billion Keystone XL pipeline project has suffered another setback after a U.S. federal judge blocked its construction to allow more time to study the potential environmental impact.

The Great Falls Tribune reports U.S. District Judge Brian Morris’ order on Thursday came as the Calgary-based energy giant was preparing to build the first stages of the oil pipeline in northern Montana.

Indigenous and environmental groups had sued TransCanada and the U.S. Department of State after Nebraska authorities approved an alternative route to the one TransCanada had proposed through the state.

The groups argued the U.S. State Department violated several acts in issuing a presidential permit for the pipeline without a proper environmental assessment of the changed route.

Morris said in his decision Thursday the government’s analysis didn’t fully study the cumulative effects of greenhouse gas emissions, the effects of current oil prices on the pipeline’s viability or include updated modelling of potential oil spills.

The proposed 1,897-kilometre pipeline would carry crude from Hardisty, Alta., to Steel City, Neb.

READ MORE: Nebraska approves TransCanada’s Keystone XL pipeline

Two other export pipelines, the expansion of the TransMountain pipeline sold to the federal government and Enbridge Inc.’s Line 3 pipeline replacement, also face uncertainty.

The Associated Press

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