Part 1: Light pollution – Bright lights, big, LED cities

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.

Episode metadata supplied by the publisher feed · Published Dec 6, 2024

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Part 1: Light pollution – Bright lights, big, LED cities

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