According to an article published in CBC news March 5, 2013:

‘A group of Canadian doctors and citizens concerned with rates of diseases thought to be caused by chemicals are calling on the B.C. government to institute a ban on all non-essential lawn and garden pesticides.

The 5,000 members of the Canadian Association of Physicians for the Environment say exposure to pesticides can lead to serious long-term health problems, and are lobbying to change laws that still allow for their widespread cosmetic use…’

Read the rest of the article at: http://www.cbc.ca/news/canada/british-columbia/story/2013/03/05/bc-cosmetic-pesticide-ban.html