"Cities of the future likely will be much more planned, organized places. With the human population set to hit nine billion by 2050, they will require planning. At the moment, more than 50 percent of us live in cities, and that number is expected to top 70 percent by the century’s end. In high-growth places, like China and India, entire cities are being constructed from the ground up. Find below just six of the new ideas we will likely see in sustainable cities of the future." (Quoted from article)