MONTREAL - The debate continues about fracking, a controversial new method for getting natural gas from deep below Quebec's surface by shattering large shelves of shale rock.

Fracking is currently under a moratorium in Quebec, as the government investigates if the process could contaminate the province's groundwater.

"It's all a question of how much energy we need," said Joe Schwarcz, the director of McGill's Office for Science and Society, about the debate over fracking. "More research needs to be done, the technology is available and it can be done safely.

"No guarantee exists that nothing bad will ever happen."

Watch the full interview by click on the video player to the right.