If Toronto truly wants to be rat-free, Alberta has the answer
“We save about four to five million dollars a year by not having rats,” he said, noting wild rats consume grains on farms, chew on pipes and wires in households and businesses and can carry harmful diseases.
Article source: http://www.metronews.ca/news/toronto/2017/06/07/can-toronto-be-rat-free-like-alberta.html
