Well, if energy were cheap enough you could just dig huge, multi-level tunnels, fill them full of grow lights, and raise all the grass-fed beef you wanted. It'

Well, if energy were cheap enough you could just dig huge, multi-level tunnels, fill them full of grow lights, and raise all the grass-fed beef you wanted. It's the same with water -- there's plenty of water in the ocean. If energy were cheap enough, you could just distill seawater and get all the freshwater you wanted.