Seven out of 10 people in the US have never seen our Milky Way Galaxy arch across their night sky from where they live. Have you? If so, you're lucky! If not, it's probably because of light pollution (too much outdoor lighting). Light pollution not only affects our view of the stars, but it also 1) wastes energy and money (about $2 to $10 billion a year!); 2) causes sleep disorders in people; and 3) disrupts the sleeping and breeding habits of animals like newly hatched sea turtles that try to find their way back into the moonlit ocean but get confused by streetlights and end up on streets instead. Light pollution may be a global problem, but the solutions are local and it starts with you. In this project, you will go outside and compare how many stars you *can* see in a constellation, to how many stars you *should* be able to see (as depicted on the free app or website you will be directed to once you click "join"). You will mark your location, tell us if it's cloudy, and tell us if you saw most of the stars or not. That's it! If you want, you can compare your light pollution levels to other reports around the world. Ready? Click "Join" to get started!