WASHINGTON (CIRCA via MOBIUS.LAB) — There are many factors to consider when ranking a city eco-friendly.
A few "green" indicators that help determine the sustainability of a city are air quality, mass transit, number of LEED buildings, green spaces and recycling programs.
San Francisco was one of the first cities to ban plastic bags, and has a city law that requires residents and businesses to keep trash separate from recycling and compost.
Bike-friendly Austin, Texas, was named Listshack's greenest city in the U.S., in part thanks to its number of city park acres per 1,000 residents.
Washington, D.C., pioneered America's bike-share program, commuting 17,000 people to work in 2016 via bicycles.
In 2017, Boston was ranked the second-greenest city in the U.S., according to Condé Nast Traveler, for its walkability.
Nashville, Tennessee, had the South's first LEED-certified neighborhood.
Portland, Oregon, is known for its sustainable eating and 92,000 acres of green space.
By popular demand, cities are turning green, and they've never looked friendlier.
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