What are the top ten cleanest cities in the world?

Question

I'm just curious..

Answer 1

haha u should pick me cuz im cute and sooo awsome. i think japan is.(dont p**s me off) =)

Answer 2

1) Calgary, Canada

#2) Honolulu, Hawaii

#3) Helsinki, Finland

#4) Ottowa, Canada

#5) Minneapolis, Minnesota

#6) Oslo, Norway

#7) Stockholm, Sweden

#8) Zurich, Switzerland

#9) Katsuyama, Japan

#10) Bern, Switzerland