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The Bachelor of Science in Environmental Science

Total Course Requirements for the Bachelor's Degree: 120 units

See Bachelor's Degree Requirements in the University Catalog for complete details on general degree requirements. A minimum of 40 units, including those required for the major, must be upper division.

A suggested Major Academic Plan (MAP) has been prepared to help students meet all graduation requirements within four years. You can view MAPs on the Degree MAPs page in the University Catalog or you can request a plan from your major advisor.

General Education Pathway Requirements: 48 units

See General Education in the University Catalog and the Class Schedule for the most current information on General Education Pathway Requirements and course offerings.

Diversity Course Requirements: 6 units

See Diversity Requirements in the University Catalog. Most courses taken to satisfy these requirements may also apply to General Education .

Literacy Requirement:

See Mathematics and Writing Requirements in the University Catalog. Writing proficiency in the major is a graduation requirement and may be demonstrated through satisfactory completion of a course in your major which has been designated as the Writing Proficiency (WP) course for the semester in which you take the course. Students who earn below a C- are required to repeat the course and earn a C- or higher to receive WP credit. See the Class Schedule for the designated WP courses for each semester. You must pass ENGL 130I or JOUR 130I (or equivalent) with a C- or higher before you may register for a WP course.

Course Requirements for the Major: 69-75 units

Completion of the following courses, or their approved transfer equivalents, is required of all candidates for this degree.

Major Core Program: 43 units

Lower-Division Requirements: 30 units

8 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: BIOL 151 or faculty permission; recommend CHEM 112 or concurrent enrollment.
Prerequisites: Second-year high school algebra; one year high school chemistry. (One year of high school physics and one year of high school mathematics past Algebra II are recommended.)
Prerequisites: CHEM 111 with a grade of C- or better.
Prerequisites: High school chemistry or physics is recommended; students with no previous science courses are advised to enroll in GEOS 101. No college credit for those who have passed GEOS 101.
Prerequisites: High school biology, chemistry or physics recommended; or faculty permission.
Prerequisites: GEOS 165 or faculty permission.
Prerequisites: MATH 109 or MATH 120 (may be taken concurrently) or faculty permission.
Prerequisites: GEOS 166 or NSCI 343.

2 courses selected from:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: High school physics or faculty permission. High school trigonometry and second-year high school algebra or equivalent (MATH 051 and MATH 118 at CSU, Chico).

AND (Both the above and following course must be taken)

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: PHYS 202A with a grade of C- or higher.

Or two of the following three courses may be substituted for PHYS 202A and PHYS 202B.

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: High school physics or faculty permission. Concurrent enrollment in or prior completion of MATH 121 (second semester of calculus) or equivalent.
Prerequisites: MATH 121, PHYS 204A with a grade of C- or higher.
Prerequisites: MATH 121, PHYS 204A with a grade of C- or higher.

Students who are considering attending graduate school should consult with an advisor before selecting lower-division core courses. We recommend PHYS 204A, PHYS 204B, and PHYS 204C.

Upper-Division Requirements: 13 units

5 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: ENGL 130 or JOUR 130 (or equivalent) with a grade of C- or higher; BIOL 152 or faculty permission.
Prerequisites: ENGL 130 or JOUR 130 (or equivalent) with a grade of C- or higher; CHEM 107 or CHEM 111; PHYS 202A or PHYS 204A or PHYS 341.
Prerequisite: GEOS 265 or faculty permission.
Prerequisite: GEOS 250; PHYS 202B or PHYS 204B or PHYS 204C.
Prerequisites: Senior standing in Hydrology or Environmental Science Options.

Major Option Course Requirements: 26-32 units

The following courses, or their approved transfer equivalents, are required dependent upon the option chosen. Students must select one of the following options for completion of the major course requirements.  Use the links below to jump to your chosen option.



The Option in Applied Ecology: 26 units

Lower-Division Requirements: 4 units

1 course required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: Completion of ELM requirement; MATH 118, MATH 119 (or High School equivalents).

Upper-Division Requirements: 22 units

6 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: BIOL 152, CHEM 112.
Prerequisites: CHEM 107 or CHEM 111.
Prerequisites: Chem 112, GEOS 315.
Prerequisites: BIOL 350.
Prerequisites: BIOL 350, GEOS 270 or GEOS 380, or instructor consent.
Prerequisites: Completion of ELM requirement. Introduction to common procedures used to analyze data.

1 course selected from:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: GEOG 320 or equivalent.
Prerequisites: PHYS 202A or PHYS 204A (may be taken concurrently).
Prerequisites: CHEM 111, GEOS 315.
Prerequisites: CHEM 112, GEOS 315.

The Option in Atmosphere and Climate: 29 units

Lower-Division Requirements: 8 units

2 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: Completion of ELM requirement; both MATH 118 and MATH 119 (or high school equivalent); a score that meets department guidelines on a department administered calculus readiness exam.
Prerequisites: MATH 120.

Upper-Division Requirements: 21 units

7 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: CHEM 107 or CHEM 111.
Prerequisites: MATH 120; either PHYS 202B or PHYS 204C.
Prerequisites: MATH 121; either PHYS 202B or PHYS 204C. Recommended: GEOS 321.
Prerequisites: GEOS 400.
Prerequisites: CHEM 112, GEOS 321 or GEOS 400, MATH 121, or faculty permission.
Prerequisites: CHEM 112, GEOS 315.
Prerequisites: CHEM 112; GEOS 330 or faculty permission; MATH 120; either PHYS 202B or PHYS 204C.

The Option in Energy and Earth Resources: 28 units

Lower-Division Requirements: 4 units

1 course required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: Completion of ELM requirement; MATH 118, MATH 119 (or High School equivalents).

Upper-Division Requirements: 24 units

7 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: GEOS 101 or GEOS 102; CHEM 107 or CHEM 111 or equivalent; or faculty permission.
Prerequisites: GEOS 203 and GEOS 306 (both may be taken concurrently), or faculty permission.
Prerequisites: GEOS 306, GEOS 307.
Prerequisites: GEOS 306, GEOS 307; or faculty permission.
Prerequisite: GEOS 307 or faculty permisison.
Prerequisites: GEOS 102, GEOS 203, GEOS 306. For majors in related sciences and technical fields, GEOS 102 only.
Prerequisites: Completion of ELM requirement. Introduction to common procedures used to analyze data.

1 course selected from:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: PHYS 202A or PHYS 204A (may be taken concurrently).
Prerequisites: CHEM 111, GEOS 306, GEOS 380, MATH 120; PHYS 202A or PHYS 204A. Recommended: GEOS 307.

 

The Option in Hydrology: 31-32 units

Lower-Division Requirements: 8 units

2 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: Completion of ELM requirement; both MATH 118 and MATH 119 (or high school equivalent); a score that meets department guidelines on a department administered calculus readiness exam.
Prerequisites: MATH 120.

Upper-Division Requirements: 23-24 units

5 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: PHYS 202A or PHYS 204A (may be taken concurrently).
Prerequisite: GEOS 380 (may be taken concurrently) or faculty permission.
Prerequisite: GEOS 380 (may be taken concurrently), GEOS 415 or faculty permission.
Prerequisites: CHEM 111, GEOS 306, GEOS 380, MATH 120; PHYS 202A or PHYS 204A. Recommended: GEOS 307.
Prerequisites: Upper-division standing; GEOS 330 or GEOS 380.

1 course selected from:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: CHEM 111, GEOS 315.
Prerequisites: CHEM 111, GEOS 102. Recommended: GEOS 306.

1 course selected from:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: GEOS 101 or GEOS 102; CHEM 107 or CHEM 111 or equivalent; or faculty permission.
Prerequisites: Chem 112, GEOS 315.
Prerequisites: BIOL 350, GEOS 270 or GEOS 380, or instructor consent.
Prerequisites: One year of physics, GEOS 102, or faculty permission.

Advising Pattern Core Requirements: 6 units

The following courses, or their approved transfer equivalents, are required depending upon the advising pattern chosen. Students must select one of the following advising patterns for the completion of the major course requirements.

Watershed Advising Pattern: 6 units

2 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: MATH 120; either PHYS 202A or PHYS 204A.
Prerequisites: GEOS 380 or prior hydrology course work and consent of instructor.

Hydrogeology Advising Pattern: 6 units

2 courses required:

SUBJ NUM Title Sustainable Units Semester Offered Course Flags
Prerequisites: GEOS 203 and GEOS 306 (both may be taken concurrently), or faculty permission.
Prerequisites: CHEM 112; GEOS 330 or faculty permission; MATH 120; either PHYS 202B or PHYS 204C.

Electives Requirement:

To complete the total units required for the bachelor's degree, select additional elective courses from the total University offerings. You should consult with an advisor regarding the selection of courses which will provide breadth to your University experience and possibly apply to a supportive second major or minor.

Grading Requirement:

All courses taken to fulfill major course requirements must be taken for a letter grade except those courses specified by the department as Credit/No Credit grading only.

Advising Requirement:

Advising is mandatory for all majors in this degree program. Consult your undergraduate advisor for specific information.

Honors in the Major:

Honors in the Major is a program of independent work in your major. It requires 6 units of honors course work completed over two semesters.

The Honors in the Major program allows you to work closely with a faculty mentor in your area of interest on an original performance or research project. This year-long collaboration allows you to work in your field at a professional level and culminates in a public presentation of your work. Students sometimes take their projects beyond the University for submission in professional journals, presentation at conferences, or academic competition. Such experience is valuable for graduate school and professional life. Your honors work will be recognized at your graduation, on your permanent transcripts, and on your diploma. It is often accompanied by letters of commendation from your mentor in the department or the department chair.

Some common features of Honors in the Major program are:

  1. You must take 6 units of Honors in the Major course work. All 6 units are honors classes (marked by a suffix of H), and at least 3 of these units are independent study (399H, 499H, 599H) as specified by your department. You must complete each class with a minimum grade of B.
  2. You must have completed 9 units of upper-division course work or 21 overall units in your major before you can be admitted to Honors in the Major. Check the requirements for your major carefully, as there may be specific courses that must be included in these units.
  3. Your cumulative GPA should be at least 3.5 or within the top 5% of majors in your department.
  4. Your GPA in your major should be at least 3.5 or within the top 5% of majors in your department.
  5. Most students apply for or are invited to participate in Honors in the Major during the second semester of their junior year. Then they complete the 6 units of course work over the two semesters of their senior year.
  6. Your honors work culminates with a public presentation of your honors project.

While Honors in the Major is part of the Honors Program, each department administers its own program. Please contact your major department or major advisor to apply.

Catalog Cycle:13