The Most Eco-Friendly Cities In America

Kermit the frog claims it's not easy being green. While cities across the country struggle with how to protect the planet through local programs and policies, there are a handful of metropolises that have pulled ahead of the pack thanks to the efforts of their city governments and their citizens to be eco-friendly.[slideshow:104112]

While there's no government criteria or widely agreed on measurement for ranking the greenness of a city or even defining what "green" means, many organizations and publications have conducted their own research, using a variety of different parameters, such as air and tap water quality, recycling, energy consumption, green space, greenhouse gas emissions and more.

Here are 19 cities that have earned acclaim in many of these categories, reaping reputations as pioneers in the effort to make American cities more sustainable.

Click here for the most eco-friendly cities in America

Related links: 

How Is Air Pollution Making You Sick?

The Cleanest Cities in the World

Cities with the Best and Safest Drinking Water in America

20 Places to Visit Before They're Lost to Climate Change