1. New York City, NY New York City, NY

    New York City accounts for 40 percent of the nation's transit trips making it #1 in total number of passenger trips, miles traveled and government spending on public transit.

    New York City Official Site »

    Mayor Bloomberg's Acceptance »

  2. Austin, TX Austin, TX

    Austin boasts an extensive public transportation system, including trains with free WiFi and more than 3,000 bus stops. The city plans on being carbon neutral by 2020. Austin is also devoted to green spaces having 206 parks, 12 preserves, 26 greenbelts and more than 50 miles of trails.

    The City of Austin Official Site »

  3. Boston, MA Boston, MA

    With 24 national associations for the education of young children-accredited preschools, Boston children get a great start in school and high scores in both reading and math with total expenditures per student topping $24,000.

    The City of Boston Official Site »

  4. Chicago, IL Chicago, IL

    The Chicago Green Roof Program is responsible for more than 2.5 million square feet of city roofs that support plant life, including the Willis Tower (formerly Sears Tower) and City Hall and have planted Over 500,000 new trees in the city.

    The City of Chicago Official Site »

  5. San Francisco, CA San Francisco, CA

    San Francisco leads the nation in environmental integrity through its Biodiesel Task Force and its efforts to make more items recyclable, along with the city's Municipal Railway operates light rail and cable cars, while its Bay Area Rapid Transit serves the entire metropolitan area, with trains reaching speeds of 80 miles per hour.

    The City of San Francisco Official Site »

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