I am not a scientist. That question should be put to scientists. I don't know whether Environment Canada's scientists have done any work on that.
On March 10th, 2015. See this statement in context.
On March 10th, 2015. See this statement in context.
March 10th, 2015 / 9:40 a.m.
Commissioner, Office of the Commissioner of the Environment and Sustainable Development
I am not a scientist. That question should be put to scientists. I don't know whether Environment Canada's scientists have done any work on that.
See context to find out what was said next.