True. A town I used to live in (Alamogordo, NM) had light ordinances to avoid light pollution due to a number of nearby observatories, for example: > Offstreet

True. A town I used to live in (Alamogordo, NM) had light ordinances to avoid light pollution due to a number of nearby observatories, for example: > Offstreet lighting shall be shielded and/or directed in such manner that it only illuminates the user's premises and does not spill over into neighboring residential areas so as to interfere with the peaceful enjoyment of residential properties. http://www.astronomersgroup.org/Lighting.html http://www.astronomersgroup.org/Lighting.html