Year in review: Woes of artificial lighting add up for wildlife

Streetlights and other illumination disrupt defense, mating

wallaby

DARK DAYS  Artificial light disrupts insects' and animals' normal rhythms, including those of this Tammar wallaby, scientists found this year. At night, Tammar wallabies living on a naval base faced 10 times the light intensity of peers in the bush.

K. Robert

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