Top 10 Cleanest Countries

Finland, officially the Republic of Finland, is a Nordic country situated in Northern Europe ***

Norway, officially the Kingdom of Norway , is a country in Northern Europe that occupies the western portion of the Scandinavian Peninsula ***

Canada is a country occupying most of northern North America, and is the world's second largest country by total area ***

Sweden, officially the Kingdom of Sweden, is a Nordic country on the Scandinavian Peninsula in Northern Europe ***

Switzerland, officially the Swiss Confederation, is a landlocked nation of 7 ***

New Zealand ***

The Commonwealth of Australia is a country in the southern hemisphere comprising the mainland of the world's smallest continent, the major island of Tasmania and a number of other islands in the Southern, Indian and Pacific Oceans ***

Austria, officially the Republic of Austria, is a landlocked country in Central Europe ***

Iceland, officially the Republic of Iceland is a country of northwestern Europe, comprising the island of Iceland and its outlying islets in the North Atlantic Ocean between the rest of Europe and Greenland ***

Denmark, officially the Kingdom of Denmark is the southernmost and geographically smallest of the five Nordic countries if its offshore territories are excluded, and the largest if they are included ***