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Streetlights in Europe are getting bluer – that may be bad for health


Photos taken by astronauts on the International Space Station show that streetlights are getting gradually more blue-tinged in many countries in Europe as they switch to energy-efficient LEDs



Health



14 September 2022

A nighttime view of western Europe captured by crew members on the International Space Station

NASA

Street lighting is getting brighter and more blue-tinged in many countries in Europe – and that may interfere with our sleep and be bad for our health in other ways.

The shift to the bluer side of the light spectrum, caused by increased use of LEDs in public street lamps, has been revealed by informal photographs taken by crew members on the International Space Station (ISS).

Exposure to blue light from phones and TV can interfere …



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