December 2025: Dark Turns.

Submit Voicemail! This episode's guests: Dr. Amardeep Dugar, Lighting Designer. Dani Robertson, Author / Dark Sky Officer. Stephane Picard, CEO of Cliff Valley Astronomy. Bill's News Picks: Remote Welsh island with population of three people searching for new tenant family, BBC News. Headlight complaints abound, but glare-related crashes haven’t increased, Joe Young, IIHS. Spatio-Temporal Variation in Aerial Arthropod AbundanceRevealed by Weather Radars, Global Change Biology. Nocturnal flight call monitoring reveals in-flight behavioral alteration by avian migrants in response to artificial light at night, Biological Conservation. The Space Mirror Mirage: Physics, Economics, and the Glow of Investor Illusion, Charles Rotter, WattsUpWithThat. Support the show A hearty thank you to all of our paid supporters out there. You make this show possible. For only the cost of one coffee each month you can help us to continue to grow. That’s $3 a month. If you like what we’re doing, if you think this adds value in any way, why not say thank you by becoming a supporter! Why Support Light Pollution News? Receive quarterly invite to join as live audience member for recordings with special Q&A session post recording with guests. Receive all of the news for that month via a special Supporter monthly mailer. Satisfaction that your support helps further critical discourse on this topic. About Light Pollution News: Ever wonder why migrating birds crash into buildings? Or why you can't sleep at night? What about where you can still see the Milky Way? Light Pollution News explores how our 24/7 lit world affects everything from wildlife and human health to our understanding of the stars, travel, and the future of our cities. Host Bill McGeeney brings on rotating guests to help dig into the latest research, policy activity, and real-world solutions - from how irresponsible lighting degrades our health to the best dark sky destinations for your next trip. Whether you're a birder, conservationist, astrophotographer, or just someone who misses sleeping in darkness, this is the show that connects the dots between your disappear...