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LED lights save energy, but could they be bad for humans and wildlife?

More cities across the country are replacing traditional street lights with LEDs. They save energy and provide brighter light. But experts say it’s worsening light pollution which could have a detrimental impact on people and animals.

WLRN’s Yvonne Bertucci zum Tobel reports.

This article was originally published on WBUR.org.

Copyright 2023 NPR. To see more, visit https://www.npr.org.