As well as industrial, economic and military power, you know some of the countries and communities developed severe hygiene, so much so that tourists can note how clean public places, buildings and streets, which helps maintain the beautiful nature of the population and tourists.
Despite the pollution, but that there are cities kept it clean and entered in the list of ten cleanest cities in the world for 2015.
10) Oslo
Norwegian capital, the most important government and commercial center in the country, where the most important banks, got Oslo in 2003 on the "Sustainable City" award and in 2007 was ranked second in the Reader's Digest Award for green cities and the most livable.
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9) Vienna
The largest city in the country, however, the techniques used to manage very sophisticated waste, the government is doing its best to preserve the green areas.
8) Stockholm
Sweden's capital, and rely on public transport on hold to avoid contamination, the number of Stockholm's population of four million people, thanks to the measures taken by the government, which kept it clean Stockholm, the contribution of the population as well.
7) Kobe
The Japanese city of Kobe, near Osaka, which is one of the cleanest cities in the world and the most powerful economically.
6) Singapore
The Singapore government is based on the ideas of modern and effective techniques to maintain the cleanliness of the city, as the population controls t set by the government to preserve the environment and the cleanliness of the city is committed.
5) Freiburg
In Germany, the evergreen city, containing many of the trees and hills and beautiful flowers and landscapes, and the government has taken many serious measures to maintain the cleanliness of the city and the character of the beautiful and green.
4) Adelaide
In Australia, the state capital, in South Australia, a densely populated city, though the reason for maintaining the city clean is because, according to estimates, to recycle 85% of waste in an orderly fashion, making the city occupy these advanced rank.
3) Zurich
It is the largest city in Switzerland and the largest tourist destination where, for being home to many famous landmarks, ranked as the third cleanest city in the world, and contributed to the achievement of both authorities, which ensures the cleanliness of the city and also the citizens who participate in the work of a volunteer to clean up the city.
2) Luxembourg
Okasmbog capital and largest city, and the city of Luxembourg is one of the cleanest cities in the world, being the least polluted and filled with greenery and called the green heart of Europe's name.
1) Calgary
The largest city in the Canadian province of Alberta is Calgary prominent city between the months and the most important cities of Canada in the North American continent, and contains a center for oil and gas is the largest there, as the administration has installed a water purification plant provide about a trillion liters of clean water per day, in addition to the cleanliness of its streets and dazzling roads which gives the cleanest city in the world title.