Cars are going green (think, Chevrolet Vault). Even aircraft are going green (think, Southwest Airlines, which unveiled an environmentally friendly plane back in 2009). Maybe it’s time to take things to the next level (think, outer space – and specifically, think about the Death Star from “Star Wars”). Exactly how much would it cost to make this well-known, fictional 30-year-old moon-sized space station so green that it becomes LEED (Leadership in Energy and Environmental Design) Gold Certified?
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