Barack Obama and Justin Trudeau to join forces on climate change

US and Canadian leaders expected to announce a series of common measures including methane emissions cuts and protections for rapidly warming Arctic

Barack Obama and Justin Trudeau will commit to work together to fight climate change and protect an Arctic experiencing the mildest winter ever recorded, sources familiar with the initiatives said.

The two leaders were expected to announce a number of common climate measures at a meeting at the White House this week, from a 45% cut in methane emissions from the oil and gas industry to protections for a rapidly warming Arctic.