Environment

Mysterious Microbes Turning Polar Ice Pink, Speeding Up Melt

Thriving communities of red algae are doing something nefarious to the world's ice sheets: melting them more quickly.
Environment

Half of the Great Barrier Reef Is Dead

See where coral in the world's largest coral reef system has been bleached to death.

Explore Nat Geo

  • Animals
  • Environment
  • History & Culture
  • Science
  • Travel
  • Photography
  • Space
  • Adventure
  • Video

About us

Subscribe

  • Magazines
  • Newsletter
  • Disney+

Follow us

Copyright © 1996-2015 National Geographic Society. Copyright © 2015-2016 National Geographic Partners, LLC. All rights reserved