A.  Required Core Courses (8-10 courses)

1. ENS 100 Introduction to Environmental Studies (1)
2. BIO 102 Heredity, Evolution and Ecology, (BIO 101 – Physiology of Cells and Organisms – is strongly recommended.(1-2)
3. BIO 320 Ecology or BIO 315 Biology of Plants or BIO 350T Terrestrial Ecology, or BIO 324 Plant Ecology (1) 
4. (CHM 101E Matter: Structure and Change an Environmental Approach or CHM 101) and CHM 102 Matter, Energy and Dynamics, or CHM 110 Matter: An Accelerated Introduction(1-2) 
5. (GEO 100 Physical Geology or 102 Environmental Geology) and (GEO 204 GIS or 203 Remote Sensing) (2) 
6. MTH 110 Differential Calculus and either MTH 052 Statistics or MTH 112 Integral Calculus) (2) 

B. Environmental Policy Courses (2 courses)

ECO 228 Environmental Economics or
HST 335 American Environmental History or
PHL 273 Environmental Ethics or
PHL 274 Environmental History and Literature or
SOC 270 Social Movements, the Environment, and Society or
SOC 358T Marine Policy and Maritime Environment or
SOC 359 Environmental Policy and Resource Management or
ENS 450-451 Environmental Policy Seminar.

C.  CLIMATE CHANGE Concentration (6 upper level science courses; no more than 4 courses from one department; no double counting from Section A for any/all areas of concentration).

BIO 257 Tropical Biology
BIO 315 Biology of Plants
BIO 320 Ecology
BIO 324 Plant Ecology
BIO 328 Aquatic Biology
BIO 350T Terrestrial Ecology
CHM 231 Organic Chemistry I
CHM 240 Quantitative Chemistry
CHM 340 Chemical Instrumentation
GEO 202 Geomorphology
GEO 254 Global Climate Change
GEO 300 Glacial Geology
GEO 301 Lakes and Environmental Change
GEO 302 Geochemistry
GEO 304 Carbonate Sedimentology

D. Senior Seminar (1)- ENS 460
E. Thesis (2)- ENS 498 and 499
Total courses= 19-21