NATIONAL GEOGRAPHIC’S STRANGE DAYS ON PLANET EARTH

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Episodes

Invaders

Wednesday, April 20, 9-11 pm ET
Find out what is causing the invasion of alien species of plants and animals, and what can be done to stop the rising tide.

  • NGSD
Predators

When predators disappear, the consequences can be dramatic. If predators are so vital, should they be brought back - and can they be?

  • NGSD
The One Degree Factor

Scientists believe that disparate phenomena may be linked to global climate change.

  • NGSD
Troubled Waters

Have Earth's vibrant waterways become massive delivery systems for invisible poisons?

  • NGSD
Dangerous Catch Over-fishing is affecting life far beyond the shoreline, including Earth’s own life support systems.
  • Original4/23/2008
  • NGSD
Dirty Secrets Striped bass are succumbing to flesh-eating bacteria in the Chesapeake Bay. Majestic seabirds are starving in Hawai’i. Coral reefs are weakening under a growing assault of invisible contaminants. How are these mysteries related?
  • Original4/23/2008
  • NGSD