In this Jan. 25, 2011, photo David Milarch, co-founder of Archangel Ancient Tree Archive, examines clones of ancient trees growing in the group's production facility in Copemish, Mich. The nonprofit ... more 
In this Jan. 25, 2011, photo David Milarch, co-founder of Archangel Ancient Tree Archive, examines clones of ancient trees growing in the group's production facility in Copemish, Mich. The nonprofit organization is collecting genetic material from the redwoods and sequoias in California and replanting clones in an plan to restore the world’s ancient forests and put them to work cleansing the environment and absorbing carbon dioxide, the greenhouse gas largely responsible for global warming. less 
1 / 1
Associated Press | Photo By John Flesher
Sun, Mar 13, 2011 2:16 PM EDT