Dear Audience, Megacities, usually defined as urban areas with a population of over ten million, are the economic powerhouses of the future. Many of the fastest growing are in developing countries, and have economies bigger than those of entire nations.
For a long time, the most striking feature of many megacities was their uncontrolled growth. Today, governments across the world are investing heavily in the future of these metropolises. It’s a huge challenge: according to one US study, they will need to spend some USD 120 billion on high-tech transport systems between now and 2020 – but with one million people a week moving to cities from the countryside, it’s a good investment …