More than half of humanity is crowded together in cities: working, commuting and polluting. That's only set to grow. From LA to Berlin to Singapore, concrete jungles are on the front lines of the climate crisis. Because no matter how much the world warms, cities will have it worse. This week - we look at how we solve climate problems of today and what we need to do to build the sustainable cities of tomorrow. 'Presented by Fedex' -------- Follow Bloomberg for business news & analysis, up-to-the-minute market data, features, profiles and more: http://www.bloomberg.com/ Connect with us on... Twitter: https://twitter.com/business Facebook: https://www.facebook.com/bloombergbusiness Instagram: https://www.instagram.com/bloombergbusiness/