We of the pale blue dot never learn
My Christmas wish is that every artificial light on earth gets turned off for 24 hours between Christmas Eve and New Year’s Eve. We can look up and see the enormity of the universe without light pollution.
Dark skies — and the stars that go with them — slowly disappearing
Although the Great Smoky Mountains National Park is a protected expanse of land, all types of contamination — from air pollution to mercury contamination — manage to creep in. One of the more unusual suspects, but probably the most apparent, is light.
