Earthscrapers

Found an interesting article on TreeHugger – “Earthscrapers: Is Going Down Instead Of Up A Greener Way To Build?”. I guess this would work if there was an available crater to start with. If you don’t, what do you do with all the mud/rock that you have to excavate? Wouldn’t that just increase the embodied energy of the structure? On the flip side, here’s another use for unused mines (if they are close enough to the city off course).