The city of Vancouver says it will go to the Federal Court of Appeal on Friday over Kinder Morgan's proposed expansion of its Trans Mountain pipeline.
The city want a judicial review of whether the National Energy Board should consider climate change in its assessment of the project.
Vancouver officials have already asked the board, which said it could not take the global issue into account.
The city says it's not right that the board will consider the broader economic benefits of the pipeline expansion but won't take into account the broader environmental effects.
The $5.4-billion expansion project would almost triple the capacity of the current pipeline, from 300,000 barrels of oil a day to almost 900,000 from Alberta to Port Metro Vancouver.
The city of Burnaby is also opposed to the proposal and is embroiled in its own dispute with Kinder Morgan over access to city land.
