Justin Trudeau

The federal Liberal government is taking its cross-border trade dispute with the United States up a notch, unveiling an extensive final list Friday of $16.6-billion worth of American imports that will be hit with retaliatory tariffs this weekend.

The Trudeau government only found out by accident that former prime minister Stephen Harper was planning to visit the White House next week in the midst of a looming trade war between Canada and the United States.

Justin Trudeau will skip Canada Day festivities on Parliament Hill this year. The prime minister is scheduled to visit Leamington, Ont., Regina and Dawson City, Yukon — all on July 1.

Kinder Morgan's Canadian subsidiary, Trans Mountain, says a "calculation error" was the cause of mistakes in a report that failed to identify environmental violations committed during recent construction activity in May. The violations of the federal Fisheries Act have been an ongoing problem at the Westridge Marine Terminal in metro Vancouver, National Observer reported on June 12.

A disappointed Prime Minister Justin Trudeau is planning an intervention in Ontario after Doug Ford announced he was abandoning his province's commitment to a national climate change plan.

Laurie Embree drove 400 kilometres from 108 Mile House to participate in the protest. She is a mother of four, a grandmother of three.

The Conservatives have stolen a Quebec riding away from Justin Trudeau's ruling Liberals, in the first test of Andrew Scheer's effort to recreate the nationalist-conservative coalition that helped federal Tories dominate the province in the 1980s.

The Coldwater Indian Band alleges that someone tampered with evidence submitted by Kinder Morgan to Canada’s pipeline regulator to avoid a costly route change on the company's Trans Mountain expansion project.

A spokesman for Doug Ford says Ontario's incoming premier is determined to deliver on his campaign promise to scrap the "disastrous" cap-and-trade system and fight a federal carbon tax.

Donald Trump says his top economic adviser has suffered a heart attack, just days after joining the U.S. president in Quebec for the G7 Summit that ended with increased trade tensions between Canada and the U.S.

Former prime minister Brian Mulroney predicts Donald Trump's unprecedented diatribe against Justin Trudeau is a passing storm.

It's been a crazy week in politics. Here's an analysis of influences and voices beyond borders, with National Observer's Editor-in-Chief.

"The national security pretext is absurd, and frankly insulting to Canadians, the closest and strongest ally the United States has had," said Canada's foreign minister in Quebec.

As quick as the visit from President Trump has been, it has also been a whirlwind of astonishing actions by the leader of the world’s most powerful nation.

Asked how long he thinks it will take to fulfill a campaign trail pledge to extricate Ontario from its cap and trade system for controlling emissions and how much it will cost, Premier-designate Doug Ford instead started talking about how he thought it would be hard for him to pick out a cabinet because of the strength of his team.