Barack Obama

President Obama says this is one national security crisis that we can't address with a military response.

"Tundra is burning, permafrost is thawing. This is not a conspiracy. It’s happening," Barack Obama told the Canadian Parliament.

U.S. President Barack Obama is passing a diplomatic torch of sorts to Justin Trudeau.

Pena Nieto’s anti−isolationism message came one day after he and Prime Minister Justin Trudeau trumpeted their bilateral relationship as a model of political and economic co−operation.

The three amigos have agreed to promote the end of the oil and gas industry, agreeing to plan a "just transition to a clean energy economy."

Obama, Prime Minister Justin Trudeau and Mexico’s Enrique Peña Nieto will release what he called a "a comprehensive North American climate, clean energy and environment partnership."

"They all hate the black guy."

Canada and Mexico must also take the opportunity to strengthen their bilateral co−operation as a counterweight to an incoming U.S. administration in 2017 that is likely to be more inward looking.

Enrique Pena Nieto arrived in Canada late Sunday in Quebec City. Tuesday he goes to Ottawa for an official state visit. Wednesday he'll join Obama and Trudeau for the Three Amigos Summit.

Trudeau will host Mexican President Enrique Peña Nieto during a state visit next week before the North American leaders’ summit that will also include U.S. President Barack Obama.

Canadian political leaders and members of the LGBTQ community expressed shock and outrage over a mass shooting on Sunday that killed at least 50 people and injured dozens of others at a gay nightclub.

Vermont senator speaks to reporters amid meetings with president, other leaders.

The affected areas include some habitat of some endangered amphibians and rare plant species disrupted during 2012 drilling work beneath the Red Deer and South Saskatchewan Rivers.

"It's clear that carbon pricing has arrived in Canada," said Michael Chong, 44, who has been an MP since 2004.

President Barack Obama squeezed in a Justin Trudeau joke at his final White House Correspondents' Dinner roast.