Many cities of the world are taking steps to develop more sustainably in an effort to improve their local environments and their standards of living. Green cities have many things in common, such as recognizing the importance of civic involvement, having a government commitment to sustainable development, and pursuing a holistic approach that looks at all the ways the city can reduce its ecological footprint while still developing and growing. While there are many others, here are some notable examples.

© Marion Kaplan/Alamy
© PRISMA ARCHIVO/Alamy
Christophe Testi/Shutterstock
Eye Ubiquitous/UIG via Getty Images