B.S. in Environmental Sciences Curriculum 

updated August 2020

Explore the classes you will take in in our environmental science major. Our program is highly flexible, please discuss with advisors to find your path in our program.

Read descriptions of courses offered by our faculty on our Course List. 

You will take:

  • General Education Courses (30 units)
  • Required Major Courses (21 units)
  • Environmental Science Core Courses (28-29 units)

Click on the panels below to see course names and numbers.

General Education Course (Units)
First Year Composition 1  ENGL 101 (3)
First Year Composition 2  ENGL 102 (3)
College Algebra Concepts & Applications  MATH 112 (3)
General Education, Tier 1  TRAD 1 (3)
General Education, Tier 1  TRAD 2 (3) 
General Education, Tier 1 INDV 1 (3) 
General Education, Tier 1  INDV 2 (3) 
General Education, Tier 2  Humanities (3) 
General Education, Tier 2  Individuals & Societies (3) 
General Education, Tier 2  Arts (3)
Foreign language  Various (0-8) 
Major Requirements     Course (Units)
General Chemistry 1 CHEM 141 & 143, 151 OR 161 & 163 (4)
General Chemistry 2 CHEM 142 & 144, 152 OR 162 & 164 (4)
Introductory Biology I & II MCB 181R & ECOL 182R (6)
Introductory Physics I PHYS 102/181 OR 141 (4)
Introductory Microbiology MIC 205A (3)
Environmental Science Core  Course (Units)
Introduction to Soil Science & Soil Laboratory ENVS 200 & 201 (3)
Fundamentals of Environmental Science & Sustainability ENVS 210 (3)
Critical Zone Science ENVS 270 (3)
Data Analysis in the Life and Environmental Sciences ENVS 275 (3)
Pollution Science ENVS 305 (3)
Environmental Chemistry ENVS 340 (3)
   OR Environmental Soil & Water Chemistry OR ENVS 462 (3)
   OR Environmental Organic Chemistry OR ENVS 464 (3)
Environmental Physics ENVS 420 (3)
Environmental Microbiology ENVS 425 (3)
   OR Aquatic Plants & the Environment OR ENVS 474 (4)
   OR Freshwater & Marine Algae OR ECOL 475 (3)
   OR Principles of Ecotoxicology OR ENVS 477 (3)
Environmental Assessment for Contaminated Sites ENVS 480 (3)
Career Preparation Course (Units)
Careers in Environmental Science ENVS 195A (1)
Individual Studies: Directed Research, Internship, Teaching workshop;
Independent study, practicum or thesis
ENVS 392, 393, 397A, 399, 399H, 492,
493, 499, OR 499H (1-3)
Scientific Writing for Environmental, Agriculture and Life Sciences ENVS 408 (3)
  OR Translating Environmental Science OR ENVS 415 (3)
Environmental Monitoring & Remediation  ENVS 430 R/L (4)
   OR Senior Capstone Research OR 498A/B (4)

Then choose ONE emphasis area for further study (~26 units)

  • Leadership, Sustainability and Communication
  • Soil, Air and Water 
  • Physical and Chemical Dynamics
  • The Biosphere
Group 1: required Courses (take 2 Courses/6 units) Course (Units)
Ecosystem Health and Justice  ENVS 310 (3)
  OR Toxic! The Anthropology of Exposure  OR ANTH 373 (3)
  OR Reclamation and Redevelopment of Impacted Lands  OR ENVS 482 (3)
  OR Environment, Health, and Society  OR SOC 350 (3)
Translating Environmental Science  ENVS 415 (3)
  OR Scientific Writing for Environmental, Agricultural & Life Sciences  OR ENVS 408 (3)
  OR Communicating Knowledge in Agriculture and the Life Sciences  OR ALC 422 (3)
  OR Applied Organization Communication  OR COMM 312 (3)
  OR Advances in Health Communication  OR COMM 469 (3)
  OR Environmental Journalism  OR JOUR 455 (3)
  OR Issues in Covering Science and the Environment  OR JOUR 465 (3)
  OR Science Journalism  OR JOUR 472 (3)
  OR Science Communication  OR SCI 401 (3)
Group ii: Select Minimum 4 Courses/11 Units Courses (Units)
Globalization, the Environment, and Indigenous Religions  ANTH 428A (3)
  OR Ecological Anthropology  OR ANTH 307 (3)
  OR Environmental Archaeology  OR ANTH 332 (3)
Southwest Land & Society  ANTH 418 (3)
Toxic! The Anthropology of Exposure  ANTH 373 (3)
Intro to Human Risk Assessment  ENVS 418 (3)
Reclamation and Redevelopment of Impacted Lands  ENVS 482 (3)
Teaching Workshop ENVS OR BE 397A (1-5)
  OR Teaching Geosciences  OR GEOS 397A (1-5)
  OR Undergrad. Teaching Training in Ecology and Evolutionary Biology  OR ECOL 497A (1-5)
  OR Environmental Learning OR TLS 431 (1-5)
Integrating Technology into the Curriculum ETCV 310 (3)
  OR Teaching with New Technologies  OR TLS 318 (3)
U.S. Environmental History  HIST 355 (3)
Global Environmental History  HIST 356 (3)
Environmental Ethics  PHIL 323 (3)
Environmental Psychology  PSY 374 (3)
Environmental Sociology SOC 307 (3)
Social Movements & Activism  SOC 313 (3)
Environment, Health, and Society  SOC 350 (3)
Group IIi: select Minimum of 3 Courses/9 units Course (Units)
Political Ecology ANTH 424A (3)
Environmental Economics AREC 373 (3)
Economics of Policy Analysis AREC 464 (3)
Environmental Law & Economics AREC 476 (3)
Economics of Water Management & Policy AREC 479 (3)
Weather, Climate, & Society ATMO 336 (3)
Physical Climatology: Mechanisms of Change ATMO 421C (3)
Conservation Biology ECOL 406R (3)
Conservation Biology: Field Studies in Developing Countries ENVS 495F (3)
Environmental Studies: Ideas/Institutions EVS 260 (3)
Environment and Development GEOG 362 (3)
Environmental & Resource Geography GEOG 461 (3)
Introduction to Dendrochronology GEOS 439A (3)
Global Change GEOS 478 (3)
Natural History of Disaster HIST 358 (3)
Environmental Law and Policy LAW 454 (3)
Public International Environmental Law LAW 459 (3)
Elements of Calculus MATH 113 (3)
  OR First Semester Calculus OR MATH 122B (4)
  OR Calculus I OR MATH 125 (3)
Global Climate Change: Integrating Science, Policy, & Decision Making PA 461 (3)
Formation of Public Policy PA 480 (3)
Environmental Policy PA 481 (3)
Environmental Land Use Planning PLG 472 (3)
Psychology of Leadership PSYV 471 (3)
Adaptation to Climate Change RNR 440 (3)
Natural Resources Policy & Law RNR 480 (3)
The Economics and Social Connections to Natural Resources RNR/PA 485 (3)
Group i: Required Courses (take 2 courses/6-7 Units) Courses (Units)
Elements of Calculus MATH 113 (3)
  OR First Semester Calculus OR MATH 122B (4)
  OR Calculus I OR MATH 125 (3)
Soil Ecology  ENVS 300 (3)
  OR Soil Fertility & Plant Nutrition OR ENVS 316 (3)
  OR Sustainable Management of Arid Lands & Salt-Affected Soils OR ENVS 401 (3)
  OR Soil Genesis, Morphology & Classification OR ENVS 431 (3)
  OR Soil Physics OR ENVS 470 (3)
GROUP ii: Select Minimum of 4 courses/12 units Course (Units)
Fundamentals of Atmospheric Sciences ATMO 436A (3)
Organic Chemistry 1 CHEM 241A & 243A (3)
Soil Ecology  ENVS 300 (3)
Soil Fertility & Plant Nutrition ENVS 316 (3)
Sustainable Management of Arid Lands & Salt-Affected Soils ENVS 401 (3)
Microbial Biogeochemisty and Global Change ENVS 410 (3)
Soil Genesis, Morphology & Classification ENVS 431 (3)
Limnology ENVS 442 (3)
Green Infrastructure ENVS 450 (3)
Water Harvesting ENVS 454 (3)
Soil & Water Conservation ENVS 461 (3)
Environmental Soil and Water Chemistry ENVS 462 (3)
Soil Physics ENVS 470 (3)
Ecotoxicology ENVS 477 (3)
Reclamation and Redevelopment of Impacted Lands ENVS 482 (3)
Principals of Stratigraphy & Sedimentation GEOS 302 (4)
Ocean Sciences GEOS 412A (4)
Geomorphology GEOS 450 (4)
Watershed Hydrology HWRS 460A (4)
  OR Principles of Hydrology OR HWRS 350 OR 349A/B (3)
Introductory Physics II PHYS 103 (3)
  OR Introductory Mechanic OR PHYS 141 (4)
  OR Introductory Optics and Thermodynamics OR PHYS 142 (3)
Global Change GEOS 478 (3)
Applications of Geographic Information Systems RNR 403 (3)
  OR Geographic Information Systems for Natural & Social Science OR RNR 417 (3)
Dryland Ecohydrology and Vegetation Dynamics WSM/RNR 452 (4)
Group iii: select Minimum of 2 Courses/8 units Courses (Units)
Air Pollution I: Gases ATMO 469A (3)
Air Pollution II: Aerosols ATMO 469B (3)
Synoptic Meteorology ATMO 471 (3)
Atmospheric Electricity ATMO 489 (3)
Conservation Biology in the Field ECOL 406L (1)
Conservation Biology ECOL 406R (3)
Freshwater & Marine Algae ECOL 475 (4)
Environmentally Aquired Illnesses EHS 420 (3)
Soil Ecology of Sustainable Systems ENVS 300 (3)
Introduction to Remote Sensing ENVS 330 (3)
Geographical Applications of Remote Sensing ENVS 483 (3)
Microbial Biogeochemistry and Global Change ENVS 410 (3)
Introduction to Human Health Risk Assessment ENVS 418 (3)
Environmental Microbiology ENVS 425 (3)
Environmental Microbiology Laboratory ENVS 426 (2)
Limnology ENVS 442 (3)
Water Harvesting ENVS 454 (3)
Aquatic Plants & the Environment ENVS 474 (4)
Principles of Ecotoxicology ENVS 477 (3)
Water, Environment, & Society GEOG 304 (3)
Field Study in Geography Workshop GEOG 397A (1)
Environmental & Resource Geography GEOG 461 (3)
Physical Geology GEOS 251 (4)
Glacial & Quaternary Geology GEOS 453 (3)
Natural History of Disasters HIST 358 (3)
Environmental Law and Policy LAW 454 (3)
Public International Environmental Law LAW 459 (3)
Calculus II MATH 129 (3)
Rangeland Plant Communities of the West RAM 382 (3)
Management & Restoration of Wildlands Vegetation RAM 446 (3)
Rangeland Inventory & Monitoring RAM 456A (3)
Natural Resources Measurements RNR 321 (3)
Conservation Planning & Wildland Recreation RNR 448 (3-4)
Environmental Land Use Planning RNR 472 (3)
Natural Resources Policy & Law RNR 480 (3)
Natural Resources Economics & Planning RNR 485A (3)
Conservation Biology: Field Studies in Developing Countries (Namibia) RNR 495F (6)
Amazon Rainforest Conservation Biology in Ecuador RNR 495G (3)
Dryland Ecohydrology & Vegetation Dynamics WSM/RNR 452 (3)
Watershed Management WSM 462 (3)
Wildland Water Quality WSM 468 (3)
Group I: required Courses (2 courses/7-8 Units) Course (Units)
First Semester Calculus MATH 122B (4)
  OR Calculus I OR MATH 125 (3)
Organic Chemistry 1 CHEM 241A & 243A (4)
Group ii: Select Minimum of 3 courses/10 Units Course (Units)
Biochemistry BIOC 462A (4-5)
Metabolic Biochemistry BIOC 385 (3)
Environmental Chemistry ENVS 340 (3)
Limnology ENVS 442 (3)
Environmental Soil & Water Chemistry ENVS 462 (3)
Environmental Organic Chemistry ENVS 464 (3)
Soil Physics ENVS 470 (3)
Organic Chemistry 2 CHEM 241B (3)
Physical Chemistry CHEM 480A (3)
Physical Geology GEOS 251 (4)
Watershed Hydrology HWRS/WSM 460A (4)
  OR Principles of Hydrology OR HWRS 350 OR 349A/B (3)
Hydrogeology HWRS 431 (4)
Hydrology HWRS 423 (3)
Calculus II MATH 129 (3)
Introductory Physics II PHYS 103 (3)
  OR Introductory Mechanic OR PHYS 141 (4)
  OR Introductory Optics and Thermodynamics OR PHYS 142 (3)
Microbial Biogeochemisty and Global Change ENVS 410 (3)
Principles of Ecotoxicology ENVS 477 (3)
Group iii: Select Minimum of 2 courses/6 units Courses/Units
Environmental Chemistry ENVS 340 (3)
Sustainable Management of Arid Lands & Salt-Affected Soils ENVS 401 (3)
Microbial Biogeochemisty and Global Change ENVS 410 (3)
Environmental Microbiology ENVS 425 (3)
Soil Genesis, Morphology & Classification ENVS 431 (3)
Biodegradation of Pollutants ENVS 440 (3)
Green Infrastructure ENVS 450 (3)
Environmental Soil and Water Chemistry ENVS 462 (3)
Environmental Organic Chemistry ENVS 464 (3)
Reclamation and Redevelopment of Impacted Lands ENVS 482 (3)
Air Pollution I: Gases ATMO 469A (3)
Air Pollution II: Aerosols ATMO 469B (3)
Environmental & Water Engineering CHEE 370R (3)
Environmental & Water Engineering Laboratory CHEE 370L (1)
Water Chemistry for Engineers CHEE 400R (3)
Water Chemistry for Engineers Laboratory CHEE 400L (1)
Introduction to Hazardous Waste Management CHEE 478 (3)
Inorganic Chemistry CHEM 404A (3)
Introduction to Geochemistry GEOS 400 (3)
Chemistry of the Solar System PTYS 407 (3)
group 1: Required Courses (take 3 courses/10-12 Units) Course (Units)
Elements of Calculus MATH 113 (3)
  OR First Semester Calculus OR MATH 122B (4)
  OR Calculus I OR MATH 125 (3)
Organic Chemistry 1 CHEM 241A & 243A OR 246A & 247A (4)
Natural Resources Ecology Natural Resources Ecology (3)
  OR Ecology OR ECOL 302 (4)
Group ii: Select Minimum of 3 courses/10 units Course (Units)
Environmental Microbiology ENVS 425 (3)
Environmental Microbiology Laboratory ENVS 426 (2)
Aquatic Plants & the Environment ENVS 474 (4)
Biochemistry BIOC 462A (4-5)
Metabolic Biochemistry BIOC 385 (3)
Foundations in Biochemistry BIOC 384 (3)
Lectures in Organic Chemistry CHEM 246B (3)
Organic Chemistry Laboratory CHEM 247B (1)
Organic Chemistry 2 CHEM 241B (3)
Ecology ECOL 302 (4)
Genetics ECOL 320 (4)
Evolutionary Biology ECOL 335 (4)
Microbial Biogeochemisty and Global Change ENVS 410 (3)
Green Infrastructure ENVS 450 (3)
Freshwater & Marine Algae ENVS 475 (4)
Principles of Ecotoxicology ENVS 477 (3)
Group iii: Select minimum of 2 courses/6 units Courses (Units)
Living in Symbiosis ECOL 310 (3)
Conservation Biology in the Field ECOL 406L (1)
Conservation Biology ECOL 406R (3)
Soil Fertility & Plant Nutrition ENVS 316 (3)
Soil Genesis, Morphology & Classification ENVS 431 (3)
Biodegradation of Pollutants in Soil & Groundwater ENVS 440 (3)
Limnology ENVS 442 (3)
Watersheds & Ecosystem Function ENVS 456A (3)
Reclamation and Redevelopment of Impacted Lands ENVS 482 (3)
Physical Geology GEOS 251 (4)
Ocean Sciences GEOS 412A (4)
Global Change GEOS 478 (3)
Watershed Hydrology HWRS 460A (4)
  OR Principles of Hydrology OR HWRS 249A/B OR 250 (3)
Molecular Biology MCB 411 (3-4)
Recombinant DNA Methods & Applications MCB 473 (4)
Microbial Physiology MIC 328R (3)
Microbiological Techniques MIC 421B (3)
Natural Resources Ecology RNR 316 (3)
Natural Resource Management Practices RNR 384 (3)
Applications of Geographic Information Systems RNR 403 (3)
Dryland Ecohydrology and Vegetation Dynamics RNR 452 (4)
Cons. Biology: Field Studies in Developing Countries (Namibia) RNR 495F (6)
  OR Amazon Rainforest Cons. Biology in Ecuador OR RNR 495G (3)

B.S. in Environmental Science Curriculum - Fall 2020