In an effort to track cannabis consumption more closely, the Canadian government has instructed Statistics Canada, Canada’s national statistical agency, to analyze sewage waste from about a quarter of Canada’s total 36 million inhabitants. In hopes to estimate how much cannabis Canadians consume, in total, through the sewage measurements. But the route from a wastewater treatment plant to that kind of calculation gets really murky really fast, such as: “The suburban users, are they peeing in the city but consuming in the suburbs?”…read the full story here.