Jul 3, 2014
The Darkest Parks in the U.S.
Just like clean air and water, dark night skies are a diminishing resource. The culprits: unshielded, excessive, or poorly aimed outdoor artificial lights.
Carrie Visintainer
Published
Just like clean air and water, dark night skies are a diminishing resource. The culprits: unshielded, excessive, or poorly aimed outdoor artificial lights.