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Message: <blockquote data-quote="WayneLigon" data-source="post: 6255391" data-attributes="member: 3649">The same thing that protects people on space stations: Metal. Actually, we'd use dirt, by burying a lunar base under a few feet of regolith. Those are indeed significant and ongoing problems, still, but for the most part we'd rotate personnel - the loss isn't nearly as bad in Lunar gravity as it is in microgravity. And these are problems we'd eventually solve, given the need to do so.Hydroponics and aeroponics at first, then later we'd simply turn lunar soil into topsoil the same way we make it by the gigaton here on Earth: poop and other waste organics.The moon has a significant source of water on it, in the form of ice, but later we'd probably go out, capture an ice asteroid, and bring that sucker back to mine for the gigatons of free ice it'll have. Also, even crappy recycling systems today can recapture a vast amount of water from grey-water and waste-water sources. A significant amount of the water you drink now is recycled urine anyway.Solar. Later, nuclear. Later on, microwave power satellites. One of the simplest problems, actually.</blockquote>