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8 cities where cleanliness rules

By: Josh Lew on Nov. 11, 2013, 5:08 p.m.

Photo: Moyan Brenn/Flickr

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The sidewalks in Norway's relaxed capital city are known for being quite clean. Visitors might be puzzled, then, by the complete absence of trash cans around parts of the city. Mystery solved: Many Oslo neighborhoods are connected to the city's automatic trash disposal system, which uses pumps and pipes to move trash underground to incinerators where it is burned and used to create energy and heat for the city.

Keeping their city clean is a part of the local culture for Oslo residents. There is even a cartoonish anti-littering mascot who makes random appearances around the city reminding people not to litter and spearheading annual volunteer cleanup days.