Op-Ed: Los Angeles Light Pollution

The view of downtown Los Angeles from the Griffith Park Observatory on March 13, 2015. The horizontal light streaks are helicopters captured in a three second exposure.

Star gazers relax on a dry lake bed in the Anza-Borrego Desert State Park as a meteor streaks through the sky on Aug. 11, 2013. The cloud-like Milky Way stretches into the amber glow of distant city lights over the southern horizon.

College photography professors Donna Cosentino and Judith Preston watch a Perseid meteor streak through the starry sky above Anza Borrego Desert State Park on Aug. 13, 2015. The orange glow is from the lights of Salton City about 10 miles away.