Ecolog:
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WT
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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.
