Economics

Keystone XL Pipeline Block Sought to Undo Trump's Approval

  • Environmental and Native American groups file suits in Montana
  • Pipeline review flawed, threatens Missouri River, groups say

on October 14, 2014 in Gascoyne, North Dakota.

Photographer: Andrew Burton/Getty Images
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Environmental groups are seeking to undo President Donald Trump’s approval of TransCanada Corp.’s Keystone XL pipeline after more than eight years of political wrangling on its future and scope.

The Sierra Club and five other conservation groups sued Thursday in federal court in Montana, just days after two other groups filed a similar complaint in the same court. The suits are likely the first in a flurry of courthouse challenges to the president’s decision. Keystone XL’s drama is playing out as another controversial project, the Dakota Access pipeline, nears completion.