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

Update: 2024-12-06

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.

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

#box-pro-ellipsis-176679238911759{-webkit-line-clamp:2;}Part 1: Light pollution – Bright lights, big, LED cities

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

DW

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