Dark Sky Approved
The DarkSky Approved program provides objective, third-party certification for lighting products, lighting designs, and installed lighting projects that minimize glare, reduce light trespass, and reduce light pollution. To be certified, they must:
- Restrict the amount of upward-directed light
- Avoid glare
- Avoid over-lighting
- Utilize dimming and other appropriate lighting controls
- Minimize short-wavelength (blue) light in the nighttime environment
