Green Megalopolis

The July issue of Popular Science has a story on the megalopolis of the future. Hint: It looks nothing like smog-choked Mexico City or sprawling LA. Instead, picture things like pod cars, sidewalks that turn footsteps into electricity, an algae park with a super breed of algae engineered at UC Berkeley to generate energy, and 30-story hydroponic farms tended by robots. The interactive web feature is fun, but here’s hoping the ecotropolis of 2050 has better music. 

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