In an era of strong air traffic growth, which is forecast to rise steadily over the next 20 years, airport cities will play a central role in accommodating growth and providing greater capacity in many key locations around the world. At the same time, the spread of this global phenomenon has brought new dynamism to the very definition of what an airport is and what it can do for its community. There are many bold and innovative steps that have been successfully undertaken by airport cities. They point to a future that ensures operational efficiency and sustainability while creating a truly enjoyable airport experience.