Climate change and human pre-history --Discussion http://serc.carleton.edu/NAGTWorkshops/climatechange/activities/49891.html#discussion Hi Achim - Do you ... http://serc.carleton.edu/NAGTWorkshops/climatechange/activities/49891.html#post13287 Cindy Shellito 1288194600 http://serc.carleton.edu/NAGTWorkshops/climatechange/activities/49891.html#post13287 This seems like a ... http://serc.carleton.edu/NAGTWorkshops/climatechange/activities/49891.html#post13363 Elizabeth Gordon 1288612860 http://serc.carleton.edu/NAGTWorkshops/climatechange/activities/49891.html#post13363