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

A Worldwide Investigation

• Poisoned blood: Every child in school has severe lead poisoning
• Elephants slaughtered for tusks in Chad, Darfur
• Anderson Cooper with great white sharks in South Africa
• PopSci: Five looming eco-disasters
• Scientific American: Eight polar animals face promise, peril of climate change
• One in four mammals face extinction | Photos
• Polar bears resort to cannibalism as Arctic ice shrinks
• Oprah.com: 11 things you can do now to save the planet
• Great white sharks dying at alarming rates
• Anderson gets up close with sharks on dive
• Charcoal creates crisis in Kenya
• PopSci: Five ways you're killing the planet
• 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?
• Oprah.com: Eight simple ideas to save energy
• Mountain gorillas murdered in Congo
• Indonesia's vanishing forests
• Scientific American: A blizzard at the bottom of the Earth
• Latest headlines: More Planet in Peril news

Notes from the Field

• Lisa Ling: Nothing but death in the toxic air
• Lisa Ling: Surveying elephants with jubilation, horror
• Should we have to choose between health and livelihood?
• Drilling in Alaskan Arctic could present whale of a problem | Video
• 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: Trying to protect children from heavy metals
• 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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Preview the Show

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Dispatches from the battle lines

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Great whites and ecotourism

Audio Slideshow »

The price of our oil addiction

Gallery »

Photos from the field

About the show

Watch "Planet in Peril: Battle Lines" in HDTV on Thursday, December 11, at 9 p.m. ET on CNN, hosted by Anderson Cooper, chief medical correspondent Dr. Sanjay Gupta and "The Oprah Winfrey Show" correspondent and National Geographic host Lisa Ling. CNN's award-winning series examines the environmental conflicts between growing populations and natural resources.

Revisit the award-winning 2007 "Planet in Peril" documentary on video:

• Get the 2007 DVD:

• Download now:

• Available in U.S. stores now

Video Podcast

Get the latest Planet in Peril video on the go! Did you miss a segment? Download it here: Subscribe | Watch | iTunes

What Matters

• Economic miracle, environmental disaster
• Thirsty world: Quest for water
• Bangladesh: Children of the black dust
• Meltdown: A global warming travelogue
• Niger: The price of our oil addiction

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