Light pollution, caused by unwanted or harmful artificial illumination, has detrimental effects on energy waste, astronomy, health, and ecosystems. It particularly endangers nocturnal animals like baby sea turtles, birds, and fireflies. To mitigate its impact, it is suggested to turn off unnecessary lights and use efficient lighting options.

1. Light Pollution Melinda Fang

2. Unwanted or harmful light Light pollution is… Artificial illumination of the sky

3. Effects Wastes energy Bad for astronomy Bad for health Bad for ecosystems

4. Can endanger… Nocturnal animals Baby sea turtles Birds Fireflies

5. Reduce impact by… Turn off lights when unneeded Use efficient lights