Part 1: Light pollution – Bright lights, big, LED cities
Part 1: Light pollution – Bright lights, big, LED cities  
Podcast: Living Planet
Published On: Fri Dec 06 2024
Description: More and more cities are switching to LEDs to save money and, ultimately, the planet. But ecologists are worried about this trend. Dr. Chris Kyba explains why on a night walk through Cologne, one of Germany's brightest cities.