Thursday, September 30, 2010

One-fifth of world's plants at risk of extinction


Plants such as artemisia sweet wormwood provide valuable drugs - in this case, for malaria
One-fifth of the world's plants - the foundation of life on Earth - are at risk of extinction, a study concludes.


Researchers have sampled almost 4,000 species, and conclude that 22% should be classified as "threatened" - the same alarming rate as for mammals.

See full Article.