There are undeniable bright sides to electric lighting. It is hard to work, travel or read in the dark, but with the flip of a switch the problem disappears. The economic boons are so profound that you can see their effects from deep space, in the shining networks of nighttime lights that outline our flourishing global civilization. But our modern love of light-filled nights casts a long shadow—wasting energy, disrupting ecosystems, and in some cases harming human health. And the same lights that lace our planet and reveal our presence to the outside universe are also smothering our views of the stars. According to the atlas, roughly one in three … Continue reading Lee Billings