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Supertopics:
Types of Pollution

Light Pollution (at Night)

Cross-References:

Subtopics:
webDamian CarringtonThe Guardian2019-11-22
webC.S. Owens, Precillia CochardBiological Conservation2019-11-16
webFiona McMillanNational Geographic2019-11-04
webManisha GangulyCNN2017-11-24
webChristopher C. M. Kyba, Theres...Science Advances2017-11-22
web
webAssociated Press2017-11-22