Sustainable Outdoor Lighting Principles - Night Skies (U.S.

Using Dark-Sky Approved Lighting to Reduce Light Pollution

Using Dark-Sky Approved Lighting to Reduce Light Pollution

Why Dark Skies Matter

Using Dark-Sky Approved Lighting to Reduce Light Pollution

Reduce Light Pollution with Better Outdoor Lighting

Light Pollution Harms Life on Earth but the Solutions are Simple

LED lights are erasing our view of the stars — and it's getting

Values-centered outdoor lighting

Opinion: Outdoor lighting choices can obscure the night sky - The

Strong Visitor Support for Steps to Limit Light Pollution (U.S.

Responsible Outdoor Lighting at Night (ROLAN) manifesto for

Dark Sky Initiative - Lightcraft Outdoor

The importance of conserving dark skies for people and nature