[PCA] NEWS: Appalachian Trail could be 'canary in coal mine'

[Olivia Kwong]

http://www.cnn.com/2006/TECH/science/11/26/appalachian.trail.ap/index.html

Appalachian Trail could be 'canary in coal mine'
POSTED: 6:02 a.m. EST, November 26, 2006

MORGANTOWN, West Virginia (AP) -- The Appalachian Trail gives hikers a 
nearly 2,200-mile trek through mountains, meadows and forests stretching 
from Georgia to Maine.

But to scientists and land managers, it's also a living laboratory that 
could provide warnings of looming environmental problems while there's 
still time to fix them.

See the link above for the full article text.