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Bachelor's

Environmental Sciences Undergraduate Major (BS, HBS)

Oregon State University College of Earth, Ocean, and Atmospheric Sciences 165 courses 180 total credits

About This Program

An Environmental Sciences undergraduate degree provides a rigorous education that will help students understand and resolve some of today's most challenging scientific and policy issues, including global climate change, pollution, biodiversity conservation, sustainability, and balancing resource use and preservation. The Bachelor of Science in Environmental Sciences offers an interdisciplinary and quantitative approach to environmental problem solving, integrating coursework across the biological, physical, and social sciences. Students complete coursework in four general areas:

Degree Requirements

Total Credits 180 credits

Basic Science and Math

Code Course Title Credits
BI 221Z +*Principles of Biology: Cells 5
BI 222Z *Principles of Biology: Organisms 5
BI 223Z *Principles of Biology: Ecology and Evolution 5
BI 204 +*Introductory Biology I 5
BI 205 *Introductory Biology II 5
BI 206 *Introductory Biology III 5
CH 121 +General Chemistry 5
CH 122 *General Chemistry 5
CH 123 *General Chemistry 5
CH 221Z General Chemistry I 4
CH 227Z +*General Chemistry I Laboratory 1
CH 222Z General Chemistry II 4
CH 228Z *General Chemistry II Laboratory 1
CH 223Z General Chemistry III 4
CH 229Z *General Chemistry III Laboratory 1
MTH 251Z +*Differential Calculus 4
MTH 252Z Integral Calculus 4
MTH 227 +*Calculus and Probability for the Life Sciences I 4
MTH 228 Calculus and Probability for the Life Sciences II 4
ST 351 Introduction to Statistical Methods 4
ST 352 Introduction to Statistical Methods 4
PH 201 or PH 211 +*General Physics or +*General Physics with Calculus 5
PH 202 or PH 212 *General Physics or *General Physics with Calculus 5
CLIM 301 or GEO 301 Climate Data Analysis or Geosciences Data Analysis 4
OC 301 Oceanographic Data Analysis 4
ENSC 301 Environmental and Ecological Data Analysis 3
GEOG 463 Analytical Workflows for Earth Systems Science 4
OEAS 302 Mathematical Applications in the Earth Sciences 4
GEOG 360 Giscience I: Geographic Information Systems and Theory 4
GEOG 361 Quantitative Geospatial Analysis and Modeling 4
GEOG 460 GIS and Spatial Data Science 4
BDS 310 Foundations of Biological Data Sciences 4
CS 201 Computer Programming for Non-Cs Majors 3
DS 201 +Introduction to Data Science 4
FES 422 Research Methods in Social Science 4
ST 436 R Programming for Data 3
ST 439 Survey Methods 3

Writing Elevation

Environmental Sciences Core

Code Course Title Credits
ENSC 101 +Environmental Sciences Orientation 1
ENSC 221 +Environmental Field Studies 4
ENSC 321 ^Environmental Case Studies 3
ENSC 421 Environmental Monitoring and Compliance 3
CLIM 201 +*Climate Science 4
CLIM 217 +Introduction to Meteorology 4
CSS 205 +*Soil Science 4
CLIM 323 ^Climatology 4
ENSC 210 +*Environmental Earth Sciences 4
GEO 201 +*Physical Geology 4
GEO 202 or GEOG 102 +*Earth Systems Science or +*Dynamic Planet 4
GEO 308 *Global Change and Earth Sciences 3
GEO 387 Environmental Hydrogeology 3
GEOG 340 *Introduction to Water Science and Policy 3
OC 201 +*Oceanography 4
SOIL 205 Soil Science 3
SOIL 206 +*Soil Science Laboratory for Soil 205 1
BI 370 Ecology 3
ENSC 341 Tropical Ecology and Conservation 3
GEOG 324 ^Ecological Biogeography 4
ENSC 350 Pollution Science 3
FW 366 Environmental Contaminants in Fish and Wildlife 3
GEO 431 Environmental Geochemistry 3
H 344 *Foundations of Environmental Health 3
H 448 Public Health Toxicology 3
TOX 430 Chemical Behavior in the Environment 3
AEC 122 +*Introduction to Climate Change Economics and Policy 3
AEC 250 +*Introduction to Environmental Economics and Policy 4
AEC 253 or AEC 254 *Environmental Law, Policy, and Economics or +Introduction to Natural Resource Economics and Policy 4
AEC 351 *Natural Resource Economics and Policy 3
AEC 352 *Environmental Economics and Policy 3
AEC 432 Environmental Law 4
FES 486 ^Public Lands Policy and Management 3
FW 415 Fisheries and Wildlife Law and Policy 3
FW 422 Introduction to Ocean Law 3
PPOL 446 The Policy and Law of United States Coastal Governance 4
PPOL 447 Integrated Policy: Food, Energy, Water, Climate 4
PPOL 448 Marine Policy in the United States 4
PS 473 Us Energy Policy 4
PS 475 Environmental Politics and Policy 4
PS 476 Science and Politics 4
PS 477 International Environmental Politics and Policy 4
AG 311 +*Indigenous Agriculture and Subsistence 3
BA 398 +Sustainable Capitalism: Exploring Power, Prosperity, and Justice 3
BI 346 +Ocean Justice 3
ENSC 333 +*Environmental Justice 3
FW 340 +*Power and Justice in U.s. Natural Resource Management 3
SUS 331 +*Sustainability, Justice, and Engagement 3
AG 201 +*Indigenous Ecosystem Sciences in Pacific Northwest Regions 3
ANTH 481 *Natural Resources and Community Values 3
BI 347 Oceans in Peril 3
BOT 301 *Human Impacts on Ecosystems 3
EAH 411 *Perspectives in Environmental Arts and Humanities 4
ECON 201Z +*Principles of Microeconomics 4
ENSC 204 Ai & the Environment 3
ES 353 *Environmental Racism 4
ES 448 Native American Philosophies 4
FES 485 *Consensus and Natural Resources 3
FW 324 +*Food From the Sea 3
FW 325 +*Seeking Solutions to Global Crises in Resource Ecology 3
FW 462 Ecosystem Services 3
GEOG 203 +*There Is No Plan(Et) B: Human-Environment Geography in the Anthropocene 3
GEOG 240 +*Human Dimensions of Climate Change 3
GEOG 241 +*Transforming Environmental Conflicts 3
GEOG 242 or GEOG 340 +Urban Aqua Networks: Ancient to Modern or *Introduction to Water Science and Policy 3
GEOG 250 +*Land Use Planning for Sustainable Communities 3
GEOG 300 +*Sustainability for the Common Good 3
GEOG 331 +*Population, Consumption, and Environment 3
GEOG 350 +*Geographies of Risk, Vulnerability, and Resilience 3
GEOG 440 Conflict, Cooperation, and Control of Water in the Us 3
GEOG 441 The World's Water 3
GEOG 433 Climate Change Impacts, Adaptation and Vulnerability 3
GEOG 453 Effective Communication of Environmental Change Science 3
H 244 +Science of Human & Planetary Health 4
H 332 *Climate and Health 3
H 388 *Global Environmental Health 3
HST 223 +Landscapes and Waterscapes in Indigenous North America 4
HST 481 *Environmental History of the United States 4
NR 455 +Natural Resource Decision Making 4
OC 203 or OC 333 +Oceans, Coasts, and People or *Oceans, Coasts, and People 3
PHL 440 *Environmental Ethics 3
PHL 443 *World Views and Environmental Values 3
SOC 480 *Environmental Sociology 4
SUS 102 +*Introduction to Environmental Science and Sustainability 4
SUS 350 +*Sustainable Communities 4
WGSS 440 *Women and Natural Resources 3
BI 377 Biodiversity and Conservation 4
BOT 413 Forest Pathology 3
ENT 331 +*Pollinators in Peril 4
FES 350 Urban Forestry 3
FES 365 *Issues in Natural Resources Conservation 3
FES 412 Forest Entomology 3
FES 445 Ecological Restoration 4
FOR 346 Topics in Wildland Fire 3
FW 251 Principles of Fish and Wildlife Conservation 3
FW 323 Management Principles of Pacific Salmon in the Northwest 3
FW 326 Integrated Watershed Management 3
FW 350 +*Endangered Species & Society 3
FW 456 Freshwater Ecology and Conservation 4
FW 464 Marine Conservation Biology 3
GEO 306 +*Minerals, Energy, Water and the Environment 4
GEO 487 +Hydrogeology 4
GEOG 424 Hydrology for Water Resources Management 3
GEOG 430 Resilience-Based Natural Resource Management 3
GEOG 450 Land Use in the American West 3
GEOG 451 Planning Principles and Practices for Resilient Communities 4
GEOG 452 Environmental Assessment 3
RNG 341 Principles of Rangeland Ecology and Management 3
RNG 421 Rangeland Restoration and Management 4
RNG 455 Riparian Ecohydrology and Management 4

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