Your first and last paragraphs are at odds with one another. They have to solve a lot of problems to do the project, but it's too bad they're not spending money

Your first and last paragraphs are at odds with one another. They have to solve a lot of problems to do the project, but it's too bad they're not spending money to solve problems... The walls are mirrored, not glass. Even if it were glass, would cooling it use more energy than having most of the population drive in and out everyday and sit in traffic jams on km upon km of concrete? It's even worse in areas where that concrete is placed where vegetation could be doing the job of fixing carbon. It's sustainable because of the density, and because it's built around public transportation. We should get back to vertical, dense towns and cities that are connected by trains.