Top 10 (G)

World’s Cleanest Cities: 2007

1. Calgary, Canada

2. Honolulu, United States

3. Helsinki, Finland

4. Ottawa, Canada

5. Minneapolis, United States

6. Oslo, Norway

7. Stockholm, Sweden

8. Zurich, Switzerland

9. Katsuyama, Japan

10. Berne, Switzerland

http://www.forbes.com/2007/04/16/worlds-cleanest-cities-biz-logistics-cx_rm_0416cleanest.html

http://www.forbes.com/2007/04/16/worlds-cleanest-cities-biz-logistics-cx_rm_0416cleanest_slide_2.html?thisSpeed=undefined