Top Ten Green Cities

THE GREENEST CITIES IN THE UNITED STATES OF AMERICA

1. Portland, Oregon  

2. San Francisco, California 

3. Boston, Massachusetts 

4. Oakland, California 

5. Eugene, Oregon

6. Cambridge, Massachusetts

7. Berkeley, California

8. Seattle, Washington

9. Chicago, Illinois

10. Austin, Texas

TOP TEN DIRTIEST CITIES

1. Pittsburgh, Pennsylvania 

2. Los Angeles/Long Beach/Riverside, California

3. Fresno/Madera, California 

4. Bakersfield, California

5. Birmingham, Alabama

6. Logan, Utah

7. Salt Lake City, Utah

8. Sacramento, California

9. Detroit, Michigan 

10. Baltimore, Maryland and Washington, D.C.