World's oldest trees under threat
Tuesday, September 28, 2010 - 13:42
in Paleontology & Archaeology
FORT COLLINS, Colo., Sept. 28 (UPI) -- The oldest trees on the planet, some almost 5,000 years old, are under threat from two enemies in their Western U.S. mountain sanctuaries, scientists say. Western United States - United States - Biology - Dendrology - Botany