u.s. based international dark sky association has been devoted to protecting dark skies since one thousand nine hundred eight it is just one of the organizations working to preserve these spaces. in europe the canary islands have played a decisive role the starlight foundation founded by the canary islands institute of astrophysics has been active since two thousand and seven. they have used the right now they go with the that is the astrophysics institute is committed to conserving the skies. not only for use by scientists you know but also as part of humanity's intangible heritage. for the enjoyment of the general public . then he said this if. scientists and nonprofessional astronomers from various nations work together with this organization the objectives are to follow to preserve dark skies and promote astronomy. to do so they consider tourism a way of spreading knowledge with the support of the international astronomy association unesco and the world tourism organization this foundation certifies the quality of the sky. and here in the middle of it some skies look beautiful but it's