Al Gore calls Alberta oil sands an 'open sewer' Add to ... CTV.ca News Staff Published Monday, May. 06 2013, 12:51 PM EDT Last updated Monday, May. 06 2013, 2:06 PM EDT Why is Al Gore attacking Canada? Power Play host Don Martin weighs in on the former U.S. V.P's comments and Joe Oliver's reaction Watch More Video: Buy American… in Canada? Canada's cowboy shortage driving up burger prices Poll: Most Quebeckers don't support Energy East pipeline Anti-pipeline activists clash with RCMP in Burnaby, B.C. U.S. Senate votes down Keystone XL pipeline bill Confederation table being shipped across country for exhibit In wake of Ottawa shootings, Alberta legislature adopts new security measures Obama firm on his Keystone XL stance Mulcair & Trudeau criticize government's fiscal plans Government expects $1.9 billion budget surplus for 2015 Finance minister 'encouraged' by latest youth employment figures President Obama hails drop in unemployment rate Election day polls open in U.S., Senate control at stake B.C. and Alberta premiers say they predict a 'warm' relationship CTV Edmonton: Alberta mom finds pin in candy 'The air has come out of the balloon’: What’s worrying Canada’s oil sands industry? From water slides to craft beer, this side of Fort McMurray might surprise you Dropping oil prices, a trickle of big investment – the dark mood hitting Canada’s oil sands industry Banff residents shaken up by small earthquake Don’t expect dramatic changes in mortgage rules: Oliver Comments AA More Related to this Story Ottawa strikes back at Al Gore's remarks on oil sands as 'open sewer'