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10 Zany (or Genius?) Plans for Green Cities of the Future
Floating cities. A building with a million residents. An oil rig turned into a tourist getaway. Some architects are dreaming of a wild green revolution.
Where Every Windmill Is a Gusher: Offshore
Wind power from the sea could provide an alternative-energy breakthrough.
Beach Grass: Savior or Destroyer?
These shore-lining grasses can protect a weak coastline, or harm a thriving one.
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