Natural History Wanderings

Have you heard of sky glow? It is the brightening of the night sky from human-caused light scattered in the atmosphere and it even affects the night sky in Death Valley. How can you help Death Valley and other International Dark Sky Parks? One way is to reduce any unnecessary lighting. Think you are too far away to make a difference? There are national parks that experience sky glow from 200 miles away!
To learn more about how you can help https://www.nps.gov/subjects/nightskies/lightpollution.htm