First Nations court challenges continue to hang over $7.4-billion Trans Mountain pipeline expansion

First Nations court challenges that allege inadequate consultation and seek to overturn federal and B.C. approval of the $7.4-billion Trans Mountain oil pipeline expansion have been overshadowed by recent debate on federal and provincial powers to regulate oil transport.
But legal experts say the First Nations cases have real implications that should not be overlooked or forgotten.
When the Federal Court of Appeal in 2016 overturned approval of Enbridge’s $7.9-billion Northern Gateway oil