DENVER, Colorado, Sept. 24 (TNSjou) -- The University of Colorado issued the following news: * * * Whitebark Pine Faces 80% Decline in Current Habitat by 2050: What That Means for Bears, Birds, Farmers, and Ranchers A new study, led by federal agencies in collaboration with the University of Colorado Denver, shows that the whitebark pine tree--an iconic, high-elevation tree that stretches from California's Sierra Nevada through the Cascades and Rockies and into Canada--could lose as much as   more