Light Pollution Ruins Night-Sky Views for One-Third of Humanity

A new, comprehensive atlas of worldwide light pollution reveals that one-third of all people cannot see the Milky Way in the sky, including nearly 80 percent of North Americans. The work describes the effect of the rapid increase in artificial light on the night sky throughout the world, documenting this lesser-known form of pollution that can affect local ecosystems, damage human health and incur large, unnecessary energy costs. The project also offers suggestions for how to reduce light p