In a March 24, 2017, file photo, US President Donald Trump smiles after granting a permit for TransCanada Corp's Keystone XL oil pipeline while TransCanada Chief Executive Officer Russell Girling (left), US Commerce Secretary Wilbur Ross (centre) and Energy Secretary Rick Perry (right) stand beside him in the Oval Office of the White House. A US judge on Friday struck down the permit. Photo: Reuters

US court halts construction of Keystone XL oil pipeline, in blow to both Donald Trump and Justin Trudeau

  • The pipeline is intended to send Canadian tar-sands oil to US refineries, but it has long been opposed by environmental and indigenous groups
  • A US judge ruled that the Trump administration failed to properly explain why it was lifting a ban on the project that was imposed due to climate-change impact
Topic |   Energy

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In a March 24, 2017, file photo, US President Donald Trump smiles after granting a permit for TransCanada Corp's Keystone XL oil pipeline while TransCanada Chief Executive Officer Russell Girling (left), US Commerce Secretary Wilbur Ross (centre) and Energy Secretary Rick Perry (right) stand beside him in the Oval Office of the White House. A US judge on Friday struck down the permit. Photo: Reuters
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