[PCA] NEWS: Scientists race to prevent ash tree's extinction

[Olivia Kwong]

http://news.yahoo.com/s/ap/20091008/ap_on_re_us/us_ash_tree_savior

Scientists race to prevent ash tree's extinction
By Melanie S. Welte, Associated Press Writer -- Thu Oct 8, 7:22 am ET

DES MOINES, Iowa -- Mark Widrlechner is out to save a species from 
extinction. It's the native ash tree, and although it provides $25 billion 
worth of timber and decorates backyards across North America, an 
unstoppable bug has slowly killed millions of trees in 13 states and could 
cause the species' ultimate demise . unless Widrlechner is successful.

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