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Earth Watch

Penny Horton

出版	BBC Worldwide, 1992
主題	Juvenile Nonfiction / Science & Nature / Earth Sciences / GeneralJuvenile Nonfiction / Science & Nature / Environmental Science & Ecosystems
ISBN	05633440839780563344087
URL	http://books.google.com.hk/books?id=mQmLOQAACAAJ&hl=&source=gbs_api

註釋

This book explains what is happening to the air and the soil; how the world's food and mineral resources are at risk; why animals such as the black rhino are nearly extinct and why the rain forests are being destroyed. There is information on pollution and population--and lots more besides.