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IU · O'Neill
O'Neill School of Public & Environmental Affairs · B.S.
The Bachelor of Science in Environmental Science (B.S.E.S.) is offered jointly by the College of Arts and Sciences and the O'Neill School of Public and Environmental Affairs through the Environment, Society, and Sustainability Institute (ESSI). The interdisciplinary B.S.E.S. program considers the environment from a scientific perspective.
This degree program provides a strong foundation in mathematics and the physical and natural sciences and features a large selection of courses on environmental science topics with a balance of field and laboratory courses. This hands-on degree prepares students for employment as professionals in environmental science, graduate study in environmental science, or in one of the traditional sciences.
A major in Environmental Science prepares students to contribute to the critical work of changing the future and protecting our planet.
If you are interested in the Environmental Science major, take IUB Chemistry Placement Exam (CPE) online. The results of the CPE will determine your placement level for your initial IUB chemistry course. For more details on the CPE, contact the Department of Chemistry at (812) 855-2700.
Linked codes have a College Actually course page. Check the bulletin for the full requirements.
Environmental · Government, Politics, and Public Service · Life Science
From IU's career guides: ideas to explore, not where graduates ended up.
Official program information from IU Explore Programs · Last checked Oct. 2026. Ratings and reviews are from College Actually students. College Actually is independent and not affiliated with Indiana University.
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Whole school, not this major · 2023–24 graduates
Employed (full- or part-time) or continuing their education: 98%
O'Neill School, all undergraduates whose status is known
82% knowledge rate.
Source: O'Neill Career Services: Undergraduate Career Outcomes
Whole school, not this major · 2023–24 graduates
Median salary across all sectors: $53k
O'Neill School, all undergraduates
Source: O'Neill Career Services: Undergraduate Career Outcomes
Figures come only from IU's published reports, with their source. Different schools measure differently, so figures from different schools aren't directly comparable.
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