WHO Rates 10 Cities with Cleanest Air in the World

The World Health Organization has ranked 3 Canadian cities among the top 10 with the Cleanest Air in the World.  There is one city on this list that could really surprise you!  Even though it’s close to one of the most industrially polluted areas on the planet, it has such an effective public transit and traffic routing infrastructure that it has significantly reduced greenhouse gas emissions in the city.  Take a guess and then check your answer here:


clean air top 10