Planet in Peril: Battle Lines - Special Reports from CNN.com

A Worldwide Investigation

• One in four mammals face extinction | Photos
• Polar bears resort to cannibalism as Arctic ice shrinks
• Anderson Cooper with great white sharks in South Africa
• Great white sharks dying at alarming rates
• Anderson gets up close with sharks on dive
• Charcoal creates a crisis in Kenya
• Recycling table scraps
• Amphibians dying at an alarming rate
• Wildebeest migration is a boon for poachers
• Is Al Gore's plan too much, too fast?
• Mountain gorillas murdered in Congo
• Global warming could increase terrorism, official says
• Ruthless drought leaves West Timor children in crisis
• Indonesia's vanishing forests
• Polar bear now listed as 'threatened' species
• Florida to buy 'missing link' of Everglades for $1.7 billion
• Latest headlines: More Planet in Peril news

Notes from the Field

• Tuberculosis running rampant in some Peruvian villages
• Drilling into Greenland's icy past may predict future
• In the new century: Energy security is national security
• Watching the Arctic ice melt
• Shark population threatened near Costa Rica
• Anderson's View: Who murdered the mountain gorillas?
• Gorilla discovery in Congo boost species survival hopes
• Shark fin soup is tasty; but so is a Twinkee
• Shark finning: Altering an ecosystem
• Kenya's epic migration under threat

Vlogs On Assignment

• Sanjay Gupta: Everyone in our group got altitude sickness
• Lisa Ling: Shark fin soup threatens shark population
• Sanjay Gupta: Harder done, than said?
• Sanjay Gupta: Stop, cut and drink

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