Urban Visions: The Future of Cities

What will population centers look like in 20 years' time? Innovations in transportation, energy production and technology will have to keep pace with a host of challenges

Local Power: Tapping Distributed Energy in 21st-Century Cities

Local energy sources coupled with widespread, inexpensive gadgetry will soon enable cities to become smarter, more sustainable and more self-reliant


Are Modern Cities for People or Cars?

The cities of the future might be greener, cleaner and more vibrant if people are put before automobiles. David Biello reports


Growing Skyscrapers: The Rise of Vertical Farms

Growing crops in city skyscrapers would use less water and fossil fuel than outdoor farming, eliminate agricultural runoff, and provide fresh food


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