US President Joe Biden and First Lady Jill Biden walk up Pennsylvania Avenue towards the White House in Washington, DC, after Biden and Kamala Harris were sworn in at the US Capitol on January 20, 2021.(Photo: AFP)

President Joe Biden's first call to a foreign leader will be to Canadian Prime Minister Justin Trudeau, White House spokeswoman Jen Psaki said Wednesday -- with the fate of the controversial Keystone XL pipeline on the agenda.

"His first foreign leader call will be on Friday with Prime Minister Trudeau," Psaki told reporters at her first White House briefing.

She said they would discuss their "important relationship," and the Biden administration's decision to halt further construction of the Keystone XL oil pipeline between Canada and the United States.

In this file photo taken on December 18, 2020 Canadian Prime Minister Justin Trudeau speaks during a Covid-19 briefing at the Rideau Cottage in Ottawa, Ontario. (Photo: AFP)

Trudeau said he was "disappointed" by the move, which came shortly after Biden took office.

"While we welcome the president's commitment to fight climate change, we are disappointed but acknowledge the President's decision to fulfill his election campaign promise on Keystone XL," Trudeau said in a statement.

"I look forward to working with President Biden to reduce pollution, combat climate change, fight Covid-19, create middle class jobs, and build back better by supporting a sustainable economic recovery for everyone."

TC Energy, the Canadian company behind the pipeline, suspended construction of the partially completed oil conduit earlier Wednesday, saying the move would mean thousands of lost jobs.

"The decision would overturn an unprecedented, comprehensive regulatory process that lasted more than a decade and repeatedly concluded the pipeline would transport much needed energy in an environmentally responsible way while enhancing North American energy security," it said.

Canadian regulators approved the project in 2010 but it was blocked by president Barack Obama in 2015 due to environmental concerns -- a decision that his successor Donald Trump reversed in 2017.

While Ottawa has always supported the project, environmental groups and indigenous groups have steadfastly cried foul.

The 1,210-mile (1,947-kilometer) pipeline, starting in 2023, was to transport up to 830,000 barrels of oil per day from the Alberta oil sands to Nebraska and then through an existing system to refineries in coastal Texas.