How green is your city: towards an index of urban sustainability
More than half of the world’s population lives in cities and that percentage continues to rise, making cities critical areas for adopting practices to preserve natural resources.
How green is your city? How does it match up to other cities? Is it making progress in becoming more sustainable?
There is no definitive list but we may be moving toward clearer answers to these questions. An exciting body of work is coming up with ways to measure the environmental impact of cities. Let’s look at three.