President Trump, in an early February call, challenged the border treaty between the two countries and told Justin Trudeau he didn’t like their shared water agreements.

People have always wondered what it is about now former Canadian Prime Minister Justin Trudeau that Donald Trump just cannot stand. His politics aren't demonstrably different from any other center-left leader Trump has dealt with around the world and the U.

Ontario’s leader said he will add a 25% export tax on electricity sent to New York and other states in retaliation for Trump’s tariffs. Ontario provides 2,500 of the 4,600 megawatts of capacity that New York draws upon from Canada, the NYISO reports.

Following Thursday's delay from President Trump on North American tariffs for one month, Ontario Premier Doug Ford reported a 25 percent tariff on electricity in three states: New York, Michigan, and Minnesota.

As a rule, it’s unsettling when Republican White Houses claim to have secret evidence of foreign chemical labs.

After President Donald Trump imposed tariffs on both Canada and Mexico Tuesday, a Canadian official threatened a surcharge on electricity exported to three U.S. states, including New York. Here's what to know.

A 25% export tariff on electricity from the Canadian province of Ontario – slated to take effect Monday – could raise prices for New York consumers and increase greenhouse gas emissions in the process,