Montreal homes were ranked the greenest — at 5.4 tonnes of greenhouse gas emissions per year — largely because of the widespread use of clean hydroelectric power in Quebec. The colder weather in the two biggest Alberta cities also means more energy is needed to heat homes. “If you live in Montreal, you can walk to your grocery store, you can walk your kids to school. VANCOUVER—Homeowners in Edmonton generate, on average, almost four times the amount of greenhouse gas emissions as their counterparts in Montreal, according to a study by the University of British Columbia. The city’s dense population also means motorists spend less time commuting and guzzling gas.

Source: thestar July 27, 2016 18:32 UTC