Posted on 12/05/07
Cataloguing the wild kingdom
Ten years ago, Harvard naturalist Edward O. Wilson estimated that 30,000 species were going extinct every year. Now, scientists are taking an even darker view. According to the World Conservation Union's latest Red List, a staggering one in eight birds, one in four mammals and one in three amphibians are threatened with annihilation. And by the end of the century (because of climate change) species could disappear at 10,000 times the natural rate.
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