Related Courses, Fall 2009 Category I: Science Electives BIOL-39 Animal BehaviorEthan D. Clotfelter (Sections 03 and 04)GEOL-09 Environmental Science: Global Warming and Energy ResourcesAnna M. Martini (Section 01)Category II: Social Sciences and Humanities Electives HIST-27 Global Environmental History of the Twentieth CenturyEdward D. Melillo (Section 01)HIST-91 Commodities, Nature and SocietyEdward D. Melillo (Section 01)