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: Thousands protest Ukraine's deal with Russia Russia reaches $15-billion deal with Ukraine Michelle Obama reads 'Twas the Night Before Christmas' Author Andrew Nikiforuk: 'there is no such thing as ethical oil' Take a helicopter ride over Alberta's oil sands U.S. oil to gush near record by 2016 -EIA Evacuations at Harvard University after report of explosives Chile's Bachelet returns to office in landslide victory Alberta community mourns pilot killed in plane crash Momo the cat thriving after rescue from raging Alberta flood Suspect dead, two students injured in Colorado high school shooting The mystery around why this Calgary woman was declared dead by Alberta Health Growing, selling, smoking weed now legal in Uruguay Kerry talks about Obama Castro handshake Are fracking concerns legitimate? Obama, Raul Castro shake hands at Mandela memorial Victoria Beckham, Mike Tyson and other celebrities remember Mandela on Twitter 'They're still running. They're still shooting,' says 911 caller at Sandy Hook 14-year-old Massachusetts boy pleads not guilty to raping, killing teacher Victim's family files Navy Yard shooting lawsuit Comments AA More Related to this Story Ottawa strikes back at Al Gore's remarks on oil sands as 'open sewer'