Just FYI there's a lot of ways to re-green a desert without actually being wasteful with water. There's some really impressive case studies out there. Shaping

Just FYI there's a lot of ways to re-green a desert without actually being wasteful with water. There's some really impressive case studies out there. Shaping the land with berms and swales, building walls of trees to prevent water from being leached away by the wind, etc.