Learn more about the effects of light on nighttime environments.

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From the DLC

• [Webinar] Responsible Lighting at Night: Bridging the Inequality Gap
• Emphasizing Quality and Control of Light at Night

From the International Dark-Sky Association

• Light Pollution Wastes Energy and Money
• Light Pollution Effects on Wildlife and Ecosystems

From the Illuminating Engineering Society

• Designing Quality Lighting for People in Outdoor Environments 
• Environmental Considerations for Outdoor Lighting 
• IDA and IES announce strategic collaboration to advance quality lighting to reduce light pollution

From National Geographic

• Our Nights are Getting Brighter, and Earth is Paying the Price