Master's degree and 18 graduate semester hours in Environmental Science, Biology, Botany, Water Management, Zoology, Geology, Geospatial Science, Civil or Environmental Engineering, Urban or Regional Planning or Agriculture/Agriscience, Ecology, Entomology, Chemistry, Sustainability, Forestry, Soil and Water Science, Hydrology, Wildlife Biology, Wildlife Ecology, Wildlife Management, Natural Resources Management, Geoscience, Geography, Geographic Information Systems, Geographic Information Science, Environmental Law, Engineering, or Environmental Engineering. Master's degree in Environmental Science, Biology, Botany, Water Management, Zoology, Geology, Geospatial Science, Civil or Environmental Engineering, Urban or Regional Planning or Agriculture/Agriscience, Ecology, Entomology, Chemistry, Sustainability, Forestry, Soil and Water Science, Hydrology, Wildlife Biology, Wildlife Ecology, Wildlife Management, Natural Resources Management, Geoscience, Geography, Geographic Information Systems, Geographic Information Science, Environmental Law, Engineering, or Environmental Engineering.