Aircraft could be dealt with by means of simple air-traffic control restrictions, but impacts by space objects (in particular, by meteoroids and micrometeorites) pose a more difficult problem that could be a show-stopper for construction of a space elevator.
Aircraft could be dealt with by means of simple air-traffic control restrictions. Impacts by space objects (in particular) pose a more difficult problem. This is by meteoroids and micrometeorites. This more difficult problem could be a show-stopper for construction of a space elevator.