> It can't be great to cover so much of nature. You don't have to cover nature if you cover buildings. Los Angeles, for example, could provide a very signific

> It can't be great to cover so much of nature. You don't have to cover nature if you cover buildings. Los Angeles, for example, could provide a very significant amount of it's electricity needs if it got a 5 mile radius of commercial buildings to all cover their roofs with solar panels. Now, we can argue whether those buildings, themselves, are a good thing. But, given that they exist, we should cover them.