Top 10 cleanest cities in the world

created: 2010-05-04

Although environmental pollution is a constant threat to the Earth, actually, there are still lots of good and clean places on this planet. Let's look at the top 10 cleanest cities in the world:

1. Amsterdam: encouraging environmental protection vehicles

2. Chicago: hydrogen fuel and wind power generation

3. Curitiba: unique public transit

4. Freiburg: solar energy

5. Katmandu: green roof and height limitations

6. London: levying "environmental protection tax" against vehicles

7. Reykjavik: hydrogen fuel buses and terrestrial heat

8. Portland: green buildings and light rail

9. Singapore: "zero-energy consumption" buildings

10. Toronto: ED lighting system and cooling system with deep lake water


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