Top 7 Cleanest Cities in the World

Page 8 of 8

No. 1: Calgary, Canada

CalgaryPublic Domain Image: Public Domain

For the fifth year in a row, Calgary ranks as the cleanest city in the world in the report released by Mercer. Even though much of Calgary’s economy is based on industry and manufacturing, the local officials have always keep their eye on the city’s level of pollution. But Calgary isn’t just a clean city, it is also a rather beautiful one, with two rivers flowing along huge green parks, filled with trees and flowers.

Page 8 of 8