[PCA] NEWS: Scientists take to the trees to measure global warming

[Olivia Kwong]

http://news.yahoo.com/s/nm/20090915/lf_nm_life/us_trees

Scientists take to the trees to measure global warming
By Sharon Reich -- Tue Sep 15, 4:55 am ET

GIFFORD PINCHOT NATIONAL FOREST, Washington State, Sept 15 (Reuters Life!) 
-- Gliding across the treetops in the Gifford Pinchot National Forest in 
Washington State may sound like the latest trend in eco-tourism.

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