National Geographic: Light Pollution
  • Ecology → Pollution → Light Pollution
Ever since the light bulb's invention 150 years ago, artificial light has illuminated homes, streets, and skies -- but with some unintended consequences. Learn about the major types of light pollution, their impact on human health, and how the worldwide glow from artificial light may continue to grow.


Please sign in to write a comment.

Related Clips

Ecology → Pollution → Water Pollution
Ecology → Pollution → Trash
Problem Solving → Problem Solving Strategies → Root Cause Analysis
Ecology → Pollution → Oil Spill
Ecology → Pollution → Plastic Pollution
Ecology → Pollution → Water Pollution
Ecology → Animal Navigation → Animal Echolocation