"Climate change is not a problem for our children and our grandchildren - it is a problem for us. It's already causing harm," said Holdren, who serves as director of the Woods Hole Research Center, and is the Teresa and John Heinz Professor of Environmental Policy at Harvard University.
One colleaque that Holdren quoted envisioned "crocodiles off of Greenland and palm trees in Wyoming."
This Environmental News Service release states the case and offers suggestions on what we need to do next.