Ruskin Hartley champions equitable access to dark skies and quality lighting for all through DarkSky’s award-winning programs. He works closely with volunteer leaders and donors to secure increased support for our priorities around the world. Ruskin believes that experiencing a dark sky, and appreciating quality lighting, are essential to DarkSky’s mission.

Before this position, Ruskin directed and managed conservation programs that protect land, water, and ocean resources. He served as executive director of Save the Redwoods League, a nonprofit dedicated to protecting and restoring the redwood forest. He also served as the president and CEO of Heal the Bay in Los Angeles and as vice president of resource development at Fair Trade USA, an award-winning social enterprise seeking to alleviate poverty worldwide.

Originally from the United Kingdom, Ruskin holds a bachelor’s degree from the University of Cambridge and a master’s degree from The University of East Anglia. Ruskin loves to head out on the trail with his wife and kids or cook under the stars.

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Show Notes

Impact of Light Pollution on Night Skies and Biodiversity

This episode explores the growing issue of light pollution and its profound impact on the environment, biodiversity, and human experiences of the night sky. Starting from the advent of electric light approximately 150 years ago, the discussion delves into the astronomical increase in light pollution and its adverse effects on various species, including migrating birds and insects.

The conversation highlights simple, actionable, no-regret solutions such as implementing better lighting policies and local and national advocacy efforts to mitigate light pollution. The role of community involvement and scientific studies in understanding and addressing the problem underscores the urgency of preserving natural dark skies.

00:00 The Evolution of Dark Skies

00:47 The Impact of Light Pollution

02:37 Mitigating Light Pollution

06:15 Legislation and Advocacy

12:11 Community and Individual Actions

16:37 Conservation and Nighttime Protection

23:59 Get Involved and Make a Difference

Extra Credit



* Check out DarkSky.org and take simple steps to reduce light pollution where you live!

* Is there a Dark Sky chapter near you? Find your local chapter.



Ruskin Hartley champions equitable access to dark skies and quality lighting for all through DarkSky’s award-winning programs. He works closely with volunteer leaders and donors to secure increased support for our priorities around the world. Ruskin believes that experiencing a dark sky, and appreciating quality lighting, are essential to DarkSky’s mission.

Before this position, Ruskin directed and managed conservation programs that protect land, water, and ocean resources. He served as executive director of Save the Redwoods League, a nonprofit dedicated to protecting and restoring the redwood forest. He also served as the president and CEO of Heal the Bay in Los Angeles and as vice president of resource development at <a href="https://www.fairtradecertified.