1. Introductory Course. One (1) course:
   • Any EAS-A 100–199
   • Any EAS-E 100–199
2. 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. One (1) course:
      • EAS-E 314 Data Analysis for Earth Science i
   5. Sedimentation and Tectonics. One (1) course:
      • EAS-E 333 Sedimentation and Tectonics i
   6. Field Experience. 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
3. Advanced Electives.
   1. 300-Level Electives. Two (2) 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
4. 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. Allied Mathematics and Sciences. Three (3) courses:
      • One additional EAS course at the 400-499 level (Note: this course will count toward the Major Hours and Major GPA requirements.)
      • One of the following:
        • BIOL-L 111 Foundations of Biology: Diversity, Evolution, and Ecology i
        • BIOL-L 112 Foundations of Biology: Biological Mechanisms i
      • Any BIOL-B 300–399
      • Any BIOL-L 300–399
      • Any BIOL-L 400–499
      • Any BIOL-M 300–399
      • Any BIOL-M 400–499
      • Any BIOL-P 400–499
      • Any BIOL-S 300–399
      • Any BIOL-S 400–499
      • Any BIOL-X 300–399
      • Any BIOL-X 400–499
      • Any BIOL-Z 300–399
      • Any BIOL-Z 400–499
      • Any CHEM-A 300–399
      • Any CHEM-B 400–499
      • Any CHEM-C 300–399
      • Any CHEM-C 400–499
      • Any CHEM-G 400–499
      • Any CHEM-M 400–499
      • Any CHEM-N 300–399
      • Any CHEM-P 300–399
      • Any CHEM-P 400–499
      • Any CHEM-R 300–399
      • Any CHEM-S 300–399
      • Any CHEM-X 300–399
      • Any CHEM-X 400–499
      • Any CSCI-B 300–399
      • Any CSCI-B 400–499
      • Any CSCI-C 200–299
      • Any CSCI-C 300–399
      • Any CSCI-H 200–299
      • Any CSCI-H 300–399
      • Any CSCI-H 400–499
      • Any CSCI-P 400–499
      • Any CSCI-Y 300–399
      • Any CSCI-Y 400–499
      • EAS-A 339 Weather Analysis and Forecasting i
      • EAS-A 437 Advanced Synoptic Meteorology and Climatology i
      • GEOG-G 304 Physical Meteorology and Climatology i
      • GEOG-G 305 Current Issues in Climate, Land and Environmental Change i
      • GEOG-G 336 Environmental Remote Sensing i
      • GEOG-G 350
      • GEOG-G 405 Ecological Climatology i
      • GEOG-G 407
      • GEOG-G 436
      • GEOG-G 438 Advanced Geographic Information Systems i
      • GEOG-G 439 GIS and Environmental Analysis i
      • GEOG-G 451 Physical Hydrology i
      • GEOG-G 467 Ecohydrology i
      • GEOG-G 475 Climate Change i
      • GEOG-G 477
      • GEOG-G 481 Terrestrial Ecosystem Modeling i
      • GEOG-G 488 Applied Spatial Statistics i
      • GEOG-G 489 Geospatial Analysis of Big Data in Python i
      • Any MATH-M 300–399
      • Any MATH-M 400–499
      • PHYS-H 222 Honors Physics II i
      • PHYS-P 222 Physics II i
      • Any PHYS-H 300–399
      • Any PHYS-P 300–399
      • Any PHYS-P 400–499
      • Any PHYS-X 400–499
      • Any STAT-S 300–399
      • Any STAT-S 400–499
      • GEOG-G 307 Biogeography: The Distribution of Life i
      Expand or hide additional courses that may be applied toward this requirement
5. Major GPA, Hours, and Minimum Grade Requirements.
   1. Major GPA. 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.
   2. Major Minimum Grade. Except for the GPA requirement, a grade of C- or higher is required for a course to count toward a requirement in the major.
   3. Major Upper Division Credit Hours. At least 18 credit hours in the major must be completed at the 300–499 level.
   4. Major Residency. 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.

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 College grade point average (GPA) of at least 2.000 is required.
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: 1 course
      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.