TEA advocated for an end to cosmetic pesticide use on Toronto lawns - in response, the City passed Toronto Pesticide Bylaw in 2003. Following Toronto's lead, in 2009, the Cosmetic Pesticides Ban was added to the Ontario Pesticides Act was passed, prohibiting the use of cosmetic pesticides across Ontario (eliminating the need for Toronto's by-law).

Too see the full history, go to Toronto Pesticide By-law.