It is the top most of all in this list. It Calgary is situated in Canada. It located between savanna and Rock Mountains of Canada. There are two rivers which run through Calgary which are the Bow and Elbow. Calgary has several beautiful destinations which attract tourists. Based on water availability and drinkability, it ranked as the cleanest city in the entire world. It is also one of the best and admirable places to live in.
The above are the cleanest cities in the world 2017. They have emerged here because of the efforts of the citizens and also the government itself that ensures that cleanliness is maintained.