The human circadian rhythm has been thrown into disarray because of an ever increasing amount of light pollution. Exposure to excess artificial lighting at night severely disrupts our natural cycle.

Photo credit Vincent Chin

Image Credit: Photo by Max Vakhtbovycn

"The light on your porch or the streetlights in your neighborhood probably don’t come to mind when you think about pollution. But as artificial light has increased over the years, its far-reaching implications have grown more apparent."

Map of light pollution late 1950’s