The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson
The problem of light pollution -- and 5 ridiculously easy ways to fix it | Kelsey Johnson
TED Talks News and Politics · Kelsey Johnson
December 4, 201913m 15s
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Show Notes
Ever gaze up at the starry night sky? This stunning view is at risk of disappearing -- unless we act now, says astrophysicist Kelsey Johnson. In this fascinating, unexpectedly funny talk, she explains how light pollution affects almost every species on earth (including us) and shares five "stupidly simple" things you can do to help solve the problem.
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TED