Mark Carney has become the new Prime Minister of Canada, which—according to BBC News—may significantly influence relations with the U.S., potentially preventing an escalation of tariffs that could lead to a trade war.

The Canadian prime minister achieved a stunning political upset, running on an anti-Trump platform and promising to revive the economy. Now, he needs to deliver.

This story was originally published by Canada’s National Observer a nd is reproduced here as part of the Climate Desk collaboration. Liberal Leader Mark Carney’s plan to address climate change is something of a Rorschach test, with the platform laying out a vision that can be interpreted in contradictory ways.