Top 10 Green Cities

1. Portland, Ore.

2. San Francisco, Calif.

3. Boston, Mass.

4. Oakland, Calif.

5. Eugene, Ore.

6. Cambridge, Mass.

7. Berkeley, Calif.

8. Seattle, Wash.

9. Chicago, Ill.

10. Austin, Tex.

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Economically culture has grown. The more a civilization develops in economy the happier its people are. As the economic development goes up the environmental protection down. A better more environmental source of energy would provide a positive on both sides.