![Illustration of a light bulb with the Earth inside. The bulb has a cord that is held by a hand and is being plugged into a wall.](https://webcf.waybackmachine.org/web/20230319130258im_/https://www.si.edu/sites/default/files/styles/slides_horiz_wide/public/slideshow/s09e02-web_large.png?itok=R5Y3jEfQ×tamp=1678841350)
Lights Out
Light pollution affects all life on earth, from humans to plants and insects. Can we have the dark, without giving up the light?
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