Ad campaigns launched for and against Keystone pipeline Add to ... CTV News Published Monday, Apr. 08, 2013 2:50AM EDT Last updated Thursday, May 02, 2013 11:12AM EDT More on the commercials produced by Keystone pipeline critics, and the pro-pipeline ads from the Alberta government. Watch More Video: Globe Debate: Can we beat climate change without killing the economy? Putin argues Climate agreements met in Paris should be legally binding Planned Parenthood shooting suspect appears in court Can Canada make a difference in the fight against climate change if big emitters aren't on board? Globe in Jordan: Meet three families awaiting confirmation on resettlement in Canada Video: Watch the highlights of Justin Trudeau's COP21 speech in under two minutes What impact will pricing carbon have on Canadians at the pump? Drone Video Captures Melting Ice Sheets Elizabeth May draws a link between conflict in Syria to climate change Trudeau: Developing nations need help to fight climate change Newborn baby survives being buried alive in Los Angeles Justin Trudeau looking forward to 'substantive' talks at Paris climate summit Putin touts Russia's climate change efforts, pushes for more forests Angela Merkel calls for a 'profound transformation' in way world does business Cynicism is the biggest enemy of climate change: Obama at Paris summit Obama paints a doomsday scenario if world doesn't act on climate change now Calm returns after fierce baboon battle at Toronto Zoo French police use tear gas on protesters Queen jokes with Canada's PM for 'making me feel so old' Trump heckled, says "you see how diplomatic I've become?" Comments AA More Related to this Story energy Video: Athabasca spill adds to Alberta oil's image problem Energy Video: Where do average Americans stand on the Keystone pipeline?