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Planet in Peril
　

A CNN Worldwide Investigation

返回百科知识

　

About Planet In Peril
Water Loss in Lake Chad  (Central Africa)
Deforestation in the Rainforest  (Brazil)
Kraho Tribe of the Amazon Basin  (Brazil)
A Tour of Greenland  (Greenland)
Madagascar's Biodiversity  (Madagascar)
Animal Sanctuary in Cambodia  (Southeast Asia)
Tracking Polar bears in the Arctic  (USA: Alaska)

CNN: Planet in Peril

相 关 视 频

Al Gore: An Inconvenient Truth
戈尔的环保影片 

Climate Change
气候变化

Endangered Species
濒危物种  　

Down As She Goes
英语环保歌曲  

Earth Song
地球之歌 

Overpopulation
 地球承受不起人口过多的压力