Mexican President Enrique Pena Nieto said on Monday he would open a national debate to review the country's marijuana laws ahead of a key United Nations meeting next year, following a landmark court ruling.
U.S. President Barack Obama on Friday rejected the proposed Keystone XL oil pipeline from Canada in a victory for environmentalists who have campaigned against the project for more than seven years.
Canada's Prime Minister-designate Justin Trudeau, who came from behind to trounce his Conservative rivals and snatch a majority mandate, now has to deliver on pledges from tackling climate change to legalizing marijuana.
Canada's new prime minister, Justin Trudeau, is moving back to the house where he grew up. The Liberal leader, son of former Prime Minister Pierre Trudeau, led his party to victory in a federal election on Monday, defeating Stephen Harper's Conservatives by a wide margin.
