| http://www.w3.org/ns/prov#value | - International Dark-Sky Association (IDA): incorporated in 1988, the International Dark-Sky Association is a USA-based, non-profit organization that is dedicated to eliminating light pollution (excessive artificial light) in order to protect ecosystems, save energy, and allow for a star-filled night time sky that is easily visible with the naked human eye (see www.darksky.org)
|
