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========== Every day for the next 35 years, an average
of 170,000 people will move to, or be born in, cities in the developing world, mostly
in fast-growing areas in Asia and Africa. And there’s a lot to love about cities:
they’re chock-full of jobs, art, jobs, community, a small fortune in coins tossed into public
fountains — and jobs! Cities can be good for the planet, too - their compact nature
means that water, power, transportation, building materials, and land can be used super-efficiently. Except cities aren’t always the supercompact
islands of utopian awesome we sometimes imagine. That’s because they’re usually made up
of urban cores surrounded by less dense residential, commercial, and industrial zones that sprawl
on and on and on and on and on...