Campaign for Dark Skies (CfDS)
Find out more about the CfDS, what is being done in the U.K., and what you can do to help save our precious skies from light pollution.
Dark Skies Awareness: An IYA2009 Cornerston Project
Learn about adverse impacts of excess artificial lighting on local environments and participate in monitoring events to help more people appreciate the ongoing loss of a dark night sky for much of the world's population.
Dissecting Light Pollution
Written by Arthur R. Upgren for Sky & Telescope Magazine.
Night Sky in the World
Satellite monitoring of nocturnal light pollution around the world, and its impact on stellar visibility. Includes maps and images from the Light Pollution Science and Technology Institute.