What should a “green”
city look like? Should it resemble Copenhagen, with its high rates of bicycle
commuting and recycling? What about Curitiba, the capital of Brazil’s Paraná
state, with its pedestrian-centered planning? Or perhaps Ethiopia’s capital, Addis
Ababa, which is powered entirely by renewable energy?
Read more here: http://www.eco-business.com/opinion/greener-greater-cities/