Prime Minister Justin Trudeau has his work cut out if he wants to slash Canada's greenhouse gas emissions and reposition Canada as a responsible actor on the world stage.

2015 forecast to be 1 degree Celsius hotter than the 19th-century average, hitting a symbolic milestone in the temperature rise that scientists blame mostly on human activities.

“If we get to a two degree Celsius world, then forget the Marshall Islands. Forget large parts of Bangladesh. Forget parts of the U.S. and Canada coastline."

Catherine McKenna and her fellow ministers are spending next three days looking for common ground on key issues ahead of main summit scheduled to start on Nov. 30.

Just 45 per cent of Canada's Conservatives believe that global warming will endanger them personally - compared to 71 per cent of Liberal supporters.

Canadians have become world leaders in making electricity less climate pollution. Compared to the Americans...

Mexican envoy Francisco Suarez said that under the Harper Conservatives, Canada lagged behind both Mexico and the U.S. on environmental policy.

Fossil fuel companies remain bullish about future demand - but global climate action, a shift to low-carbon energy and falling demands may be the industry's death knell.

Prince Charles joins growing international push for divesting from fossil fuel companies and ramping up support for renewables ahead of lndmark climate summit - and Trudeau is getting on board.

Fossil fuel divestment advocates in Toronto increased pressure on the city's major university to drop its coal, oil and gas holdings.

Can Trudeau fix Canada's image as a climate rogue and become the green Gorbachev? Early indications are promising— but the Liberals do not yet have a Paris target in hand.

Green Leader Elizabeth May is already set to attend the landmark climate talks with Justin Trudeau.