Al Gore calls Alberta oil sands an 'open sewer' Add to ... CTV.ca News Staff Published Monday, May 06, 2013 12:51PM EDT Last updated Monday, May 06, 2013 2:06PM 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: Trading drives up profit at Bank of America Former Alberta Premier Jim Prentice dies in B.C. plane crash Video: Oil worker to equine therapist: Man finds new career in Alberta's struggling economy Ben & Jerry's founder says Canada 'getting shafted' on new ice-cream flavours Who are Donald Trump and Hillary Clinton's running mates? Can Donald Trump make America great again? Video: A poem about Trump: 'Building huge walls are part of his plans Must all be related to the size of his hands' No weapon found at scene of El Cajon shooting Video: Sweet business: How Soma makes its renowned bean-to-bar chocolate Price of oil could hit $100 in the next few years, CEO of Auspice Capital says ShowBiz News: Transgender actress Alexis Arquette dead at 47 Suncor raising $1-billion in new debt What could be next on Enbridge's shopping list Oil weakens further on another U.S. inventory build Why Donald Glover thinks 'Atlanta' represents a cross-section of America Naked Donald Trump statues pop up in U.S. cities The Alberta PPA battle: Revealing the true cost to Albertans Alberta NDP government suing power companies over ‘Enron clause’ Energy East hearings kick off in largest-ever pipeline review Obama denies $400-million payment to Iran was ransom Comments AA More Related to this Story Ottawa strikes back at Al Gore's remarks on oil sands as 'open sewer'