Here's what you need to know to navigate the most challenging issue in your province’s history — the era of stranded assets in the oilsands.

A prominent chief is urging SNC-Lavalin lawyer Frank Iacobucci to resign his position as special envoy to First Nations for Prime Minister Justin Trudeau on the Trans Mountain expansion project. Iacoubucci's name popped up a couple of times in bombshell testimony on Feb. 27 by former attorney general Jody Wilson-Raybould.

Indigenous leaders and environmental groups vowed the Trans Mountain pipeline would never be built after the National Energy Board issued a second go-ahead on Friday.

For a second time, the NEB has recommended that the federal government should approve the Trans Mountain pipeline expansion project.

The National Energy Board has declined a request to consider all of the climate change impacts as part of its review of the Trans Mountain expansion project.

Canada's energy regulator will tell the federal government this week whether it still thinks the Trans Mountain pipeline should be expanded, but cabinet's final say on the project's future is still several months away.

Canada's parliamentary watchdog has made some changes to its recent report on the Trans Mountain pipeline and expansion project, rejecting previous criticism of its research by Finance Minister Bill Morneau.

If Trans Mountain’s shippers don’t pay for the purchase of the legacy line in tolls charged to them, Canadian taxpayers will.

Washington Gov. Jay Inslee says his state shares concerns with British Columbia about the Trans Mountain pipeline expansion and will continue to voice its objections any way it can.

The Trudeau government faces a significant risk of having overpaid for the Trans Mountain pipeline project, having shelled out "at the higher end" of its value, leaving virtually no room for an expected construction delay, possible cost overruns or other factors, says Canada's parliamentary watchdog.

Work on a Trans Mountain pipeline crossing in a British Columbia stream has destroyed salmon habitat, raising concerns about the Crown corporation's ability to build infrastructure through waterways if the expansion project proceeds, a scientist says.

A pair of experts on global warming have thrown their support behind a new legal motion urging the National Energy Board should consider all climate-related impacts from the proposed Trans Mountain oil pipeline and tanker expansion in its review of the project.

Canada's arms-length oil and gas industry regulator called for tougher marine monitoring and protections standards if the government wants to proceed with the Trans Mountain pipeline expansion. 

Just in case the federal Liberals were in danger of forgetting what Alberta Premier Rachel Notley wants for Christmas this year, she sent them a reminder outside their annual holiday party in Ottawa this week.

When Finance Minister Morneau delivered his Fall Economic Update in the third week of November he painted a rosy picture of Trans Mountain’s financial performance. What Morneau didn’t tell Canadians is that if he had included interest expense for the debt taken on to buy the pipeline, there is actually a loss.