1. Core Requirements.
   1. Earth Materials. One (1) course:
      • EAS-E 225 Earth Materials i
   2. Earth Processes. One (1) course:
      • EAS-E 226 Earth Processes i
   3. Earth Climate. One (1) course:
      • EAS-E 227 Earth Climate and History i
   4. Data Analysis.
      • EAS-E 314 Data Analysis for Earth Science i
   5. Field Expereince. One (1) course:
      • EAS-X 429 Field Geology in the Rocky Mountains i
      • EAS-X 479 Geology, Hydrology and Geochemistry in the Rocky Mountains i
2. Advanced Electives.
   1. 300-Level Electives. Three (3) courses:
      • EAS-A 332 Atmospheric Thermodynamics & Cloud Processes i
      • EAS-A 339 Weather Analysis and Forecasting i
      • EAS-A 347 Instrumentation for Atmospheric Science i
      • EAS-A 364 Atmospheric Dynamics I i
      • Any EAS-E 300–399 except EAS-E 314; EAS-E 333
   2. 400-Level Electives. Four (4) courses:
      • EAS-A 434 Dynamic Meteorology 2 i
      • EAS-A 437 Advanced Synoptic Meteorology and Climatology i
      • EAS-A 460 Mesoscale Meteorology i
      • EAS-A 466 Hydrometeorology i
      • EAS-A 474 Topics in Atmospheric Science (approved topics only; see academic advisor)i
      • EAS-A 476 Climate Change Science i
      • Any EAS-E 400–499
      Expand or hide additional courses that may be applied toward this requirement
3. Addenda Requirements*.
   1. Chemistry.
      1. Principle of Chemistry Lecture. One (1) course:
         • CHEM-C 117 Principles of Chemistry and Biochemistry I i
         • CHEM-H 117 Principles of Chemistry and Biochemistry I, Honors i
         • CHEM-J 117 Principles of Chemistry and Biochemistry for Science Majors i
      2. Principle of Chemistry Lab. One (1) course:
         • CHEM-C 127 Principles of Chemistry and Biochemistry I Laboratory i
         • CHEM-H 127 Principles of Chemistry and Biochemistry I Laboratory, Honors i
         • CHEM-X 150 ASURE Chemistry Research Lab I i
   2. Mathematics.
      1. Calculus I. One (1) course:
         • MATH-M 211 Calculus I i
         • MATH-S 211
      2. Calculus II. One (1) course:
         • MATH-M 212 Calculus II i
         • MATH-S 212 Honors Calculus II i
   3. Physics. One (1) course:
      • PHYS-H 221 Honors Physics I i
      • PHYS-P 221 Physics I i
   4. Biology. One (1) course:
      • BIOL-L 111 Foundations of Biology: Diversity, Evolution, and Ecology i
      • BIOL-L 112 Foundations of Biology: Biological Mechanisms i
   5. Allied Mathematics and Sciences.
      1. Allied Mathematics and Sciences Advanced Electives. Two (2) courses:
         • One of the following:
           • BIOL-B 300 Vascular Plants i
           • BIOL-Z 374
         • One of the following:
           • CHEM-C 360 Introductory Physical Chemistry i
           • CHEM-C 361 Physical Chemistry of Bulk Matter i
         • One of the following:
           • MATH-M 311 Calculus III i
           • MATH-M 343
         • One of the following:
           • PHYS-P 331 Theory of Electricity and Magnetism I i
           • PHYS-P 340 Thermodynamics and Statistical Mechanics i
         Expand or hide additional courses that may be applied toward this requirement
      2. Allied Mathematics and Sciences Elective. One (1) course:
         • Additional course from Allied Mathematics and Sciences Advanced Electives list above
         • Additional EAS course at the 400-499 level (<em>Note:</em> This course will count toward the Major Hours and Major GPA requirements)
4. Major GPA, Hours, and Minimum Grade Requirements.
   1. At least 18 credit hours in the major must be completed in courses taken through the Indiana University Bloomington campus or an IU-administered or IU co-sponsored Overseas Study program.
   2. At least 18 credit hours in the major must be completed at the 300–499 level.
   3. Except for the GPA requirement, a grade of C- or higher is required for a course to count toward a requirement in the major.
   4. A GPA of at least 2.000 for all courses taken in the major—including those where a grade lower than C- is earned—is required.
   5. Exceptions to major requirements may be made with the approval of the department's Director of Undergraduate Studies, subject to final approval by the College of Arts and Sciences.

The Bachelor of Science degree requires at least 120 credit hours, to include the following:

1. College of Arts and Sciences Credit Hours. At least 100 credit hours must come from College of Arts and Sciences disciplines.
2. Upper Division Courses. At least 36 credit hours (of the 120) must be at the 300–499 level.
3. College Residency. Following completion of the 60th credit hour toward degree, at least 36 credit hours of College of Arts and Sciences coursework must be completed through the Indiana University Bloomington campus or an IU-administered or IU co-sponsored Overseas Study program.
4. College GPA. A cumulative grade point average (GPA) of at least 2.000 is required for all courses taken at Indiana University.
5. CASE Requirements. The following College of Arts and Sciences Education (CASE) requirements must be completed:
   1. CASE Foundations
      1. English Composition: 1 course
      2. Mathematical Modeling: 1 course
   2. CASE Breadth of Inquiry
      1. Arts and Humanities: 2 courses
      2. Natural and Mathematical Sciences: 4 courses
      3. Social and Historical Studies: 2 courses
   3. CASE Culture Studies
      1. Diversity in the United States: Not required
      2. Global Civilizations and Cultures: Not required
   4. CASE Critical Approaches: 1 course
   5. CASE Foreign Language: Proficiency in a single foreign language through the first semester of the second year of college-level coursework
   6. CASE Intensive Writing: 1 course
   7. CASE Public Oral Communication: 1 course
6. Major. Completion of the major as outlined in the Major Requirements section above.

Most students must also successfully complete the Indiana University Bloomington General Education program.