Top 5 Most Environmentally Friendly Cities in America

3. Washington, D.C.

Overall Score: 1.89

Parks and recreational areas occupy around 24% of the land in Washington, D.C., capital of the United States. Additionally, a whopping 99% of residents live within a 10-minute stroll of one of the city’s 683 parks.

Also, based on a study, Washington, D.C. ranks third in the nation for the number of green buildings per 100,000 people (418.03).