Front cover image for Endangered Earth

Endangered Earth

In seven articles, written from 2000 to 2003 and compiled by Scientific American magazine, leading experts discuss threats to life on Earth as we know it. Topics include how the current extinction rate compares with past ones, how biotechnology and clonin
eBook, English, 2008
Rosen Pub. Group, New York, 2008
1 online resource (133 pages) : illustrations, map
666957634