Artificial Lights at Night Hurt Corals

Coral reefs face myriad threats, and researchers in Israel have shed light on yet another: light pollution.

Artificial lights illuminate almost a quarter of the world’s coastlines and their prevalence is expected to grow. These lights are a problem for a wide variety of animals, from nesting turtles to seabirds. To find out their effect on corals, researchers led by Oren Levy, a marine biologist at Bar-Ilan University in Israel, dove into reefs in the Gulf of Aqaba, in the northern Red Sea, and plucked out mature colonies of two species: Acropora eurystoma and Pocillopora damicornis.

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Artificial Lights at Night Hurt Corals

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