Published in

American Association for the Advancement of Science, Science Advances, 11(3), 2017

DOI: 10.1126/sciadv.1701528

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Artificially lit surface of Earth at night increasing in radiance and extent

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Earth’s artificially lit area is expanding at 2.2% per year, with existing lit areas brightening by 2.2% per year.