Toronto is the most sustainable large city in Canada according to the 2011 survey by
Corporate Knights Magazine
. Canada's urban centers were ranked across 5 categories of sustainability including
"ecological integrity" and "social well-being".
"We studied 28 indicators of sustainability in five categories—ecological integrity, economic security, infrastructure and built environment, governance and empowerment, and social well-being. Seventeen Canadian cities were surveyed, giving us a picture of the country's urban sustainability.Toronto, Vancouver, and Victoria won top honours in our Big, Medium, and Small city categories respectively."
"Gathering data from world municipalities, which are only beginning to request figures from energy companies, turned out to be a big challenge, he says. There are so many factors involved that it would be hard for anyone to simply say, "Hey, my city is better.For example, Toronto was the only Canadian city included in Greenhouse Gas Emissions from Global Cities, and it performed well against its North American counterparts, but only average overall because its cold climate drives up the use of its major source of emissions—natural gas."
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original source Corporate Knights