Streetlamps, neon signs - an ever-present glow that has changed the natural world and adversely affected our health; Paul Bogard illuminates the problems caused by a lack of darkness.
Our use of light at night is negatively affecting the natural world in ways we're barely beginning to study. Meanwhile, our physical, psychological, and spiritual health are significantly influenced by darkness or a lack thereof; it's not a matter of using light at night or not, but rather when and where, how and how much.
