Liberal MP Steven Guilbeault Resigns Over Climate Dispute

Steven Guilbeault, a prominent Liberal Member of Parliament and former environment minister, is resigning from federal politics. The Montreal MP for Laurier–Sainte-Marie is expected to make the announcement to his Liberal colleagues in caucus on Wednesday, followed by a speech in the House of Commons later in the day.

Guilbeault’s departure stems from his profound disagreement with the environmental and energy policies of Prime Minister Mark Carney’s government. A source close to the MP confirmed his resignation is a direct result of the government’s recent memorandum of understanding with Alberta to advance a new oil pipeline to the West Coast, as well as a broader dismantling of climate policies from the previous Trudeau administration. Guilbeault, who resigned from cabinet over the Alberta deal last November, has grown increasingly vocal in his criticism, arguing such policies increase Canada’s emissions.

A lifelong environmentalist and former Greenpeace campaigner, Guilbeault was first elected in 2019 and served as environment minister under former Prime Minister Justin Trudeau. He was shuffled out of that portfolio when Carney took power. In recent months, he publicly...