Artificial Light at Night: State of the Science 2022

LDS Dark Sky logo 400

July 13, 2022

This briefing summarizes the current state of knowledge about how the widespread and growing use of artificial light at night interacts with six key topics: the night sky (Section 1); wildlife and ecology (Section 2); human health (Section 3); public safety (Section 4); energy security and climate change (Section 5); and social justice (Section 6). It also includes a discussion of the emerging threat from light pollution caused by objects orbiting the Earth (Section 7). Finally, it concludes with a discussion of the knowledge gaps that exist within these topics and the research questions whose answers can fill the gaps (Section 8). It is intended be useful to those seeking to broaden their understanding of research on the causes and consequences of artificial light at night.

Go HERE for the full briefing

 

 

 

Related Articles


Changing Scene

  • July 10, 2025 - Mac’s II Agencies Announce Addition to Project & Specification Sales Team

    Mac’s II Agencies Announces Addition to Project & Specification Sales Team

    Mac’s II Agencies is pleased to announce that Drazen Jerkovic will be joining their Project & Specification Sales team in the Lighting Division later this fall. With over 25 years of experience in the lighting and electrical industry, Drazen is a highly respected consultant known for his technical knowledge and deep understanding of project delivery. His recent role… Read More…

  • Noramco-Announces-Samantha-Boernsen-as-New-Regional-Sales-Manager-Winnipeg

    Noramco Announces Samantha Boernsen as New Regional Sales Manager, Winnipeg

    Please join Noramco in welcoming Samantha Boernsen as Regional Sales Manager, Winnipeg! Samantha brings a wealth of experience in the electrical industry, with a strong focus on lighting, marketing strategy, and customer engagement. She has built her career on connecting technical expertise with real-world application, making her a trusted partner to clients and colleagues alike.… Read More…


Design

  • Bold, Programmable Lighting Upgrade Helps Draw Visitors to Key Destination Point in Calgary

    Bold, Programmable Lighting Upgrade Helps Draw Visitors to Key Destination Point in Calgary

    The CF Chinook Centre (more commonly known as Chinook Centre) was always destined to be a major destination point for Calgary. Opened in 1965, it is conveniently located near the city center and is only 20 minutes from Calgary International Airport. Over the years, it grew to become Calgary’s largest shopping mall with more than… Read More…

  • Infrastructure Lighting Fixtures: Why Scale Matters

    Infrastructure Lighting Fixtures: Why Scale Matters

    In infrastructure projects, the size and scale of outdoor lighting fixtures are critical—not just for aesthetics, but for functionality, safety, and long-term performance. Whether lighting a streetscape, transit hub, or civic plaza, appropriately scaled fixtures help create environments that are both visually coherent and effectively illuminated. Public lighting plays a role in shaping how spaces… Read More…


New Products