Cities of the Future invites you to step into the future and discover the exciting innovations engineers are working on right now to help meet the challenges of a changing world. Renewable energy will be our primary power source, solar energy beamed down from space will power entire cities, smart buildings and greener infrastructure will keep us cool, and we will travel on aerial highways in individualized pods that run on little or no energy. We will also ride in electric flying vehicles! Traffic jams will be a thing of the past. This isn’t science fiction. This is the world engineers are designing right now. Travel to some of the world’s greatest cities—from Amsterdam to Los Angeles to Singapore and more—where profound change is already happening and meet the engineers and visionaries whose human ingenuity is forging a brighter, more sustainable future for us all.