Forest plan hangs in balance at climate conference
Friday, December 10, 2010 - 00:30
in Mathematics & Economics
CANCUN, Mexico (AP) -- Pedro Chuc May climbs a big zapote tree, braces himself against the trunk with a rope sling and uses his sharp machete to slash v-shaped cuts in the rough bark to let the tree's resin - the base for natural chewing gum - flow into a cut-off soda bottle below....