To earn a minor in environmental geology, a student must complete a minimum of 29 credits (at least 14 credits of which must be taken in residence at PSU) to include the following:
| G 312 | Mineralogy | 3 |
| G 313 | Methods in Mineralogy | 2 |
| G 318 | Processes in the Surface Environment | 3 |
| G 319 | Processes in the Surface Environment: Methods | 2 |
| G 322 | Global Biogeochemical Cycles | 5 |
| G 324 | Computer Applications and Information Technology | 5 |
| G 341U | Geology of the Oregon Country | 4 |
| G 424 | Geographical Information Systems for the Natural Sciences | 4 |
| G 434 | Structural Geology and Tectonics | 5 |
| G 435 | Sedimentology and Stratigraphy | 5 |
| G 440 | Volcanology | 4 |
| G 443 | Ground Water Geology | 4 |
| G 447 | Environmental Sediment Transport | 4 |
| G 448 | Chemical Hydrogeology | 4 |
| G 455 | Environmental Coastal Geomorphology | 4 |
| G 459 | Quaternary Climate | 4 |
| G 460 | Soil Geomorphology | 4 |
| G 461 | Environmental Geology | 4 |
| G 470 | Engineering Geology | 4 |