Environmental Science, Bachelor of Science at Johns Hopkins University

Programme overview

The Bachelor of Science in Environmental Science is an interdisciplinary major that introduces students to the ways in which human activities impact Earth systems and vice versa. It equips students to use a variety of tools, such as science, policy, communication, and individual and societal behavior change, to solve environmental and sustainability problems, with an emphasis on the perspectives and tools of the natural sciences.

Faculty: Krieger School of Arts and Sciences | Study mode: full-time | Location: Baltimore, MD, United States

What you will study

3 approved science lab courses are required. Lab courses waived due to Advanced Placement Exam credit cannot count toward this requirement. Approved labs include but are not limited to: 1 3-8 Choose 15 credits of approved courses, at least 12 credits of which are at the 300-level or above. ENVS independent study, independent research, and senior thesis courses can count as electives. Total credits: 68.

Official programme page

Application information

USD 68,670 a year (2026-27). Full-time undergraduate tuition for the Krieger School of Arts and Sciences and Whiting School of Engineering, one rate for all undergraduates. Tuition only; excludes the $500 matriculation fee, housing, food, health insurance and other costs. Source

Entry is for the fall semester. First-year applicants apply through Early Decision I, Early Decision II or Regular Decision, using the Common Application or Coalition on Scoir.

Transfer students are accepted into the entering sophomore and junior classes for the fall semester only.

First-year deadlines for entry in 2027: Early Decision I November 1, 2026 (financial aid November 15, 2026; decision December 11, 2026; reply January 15, 2027); Early Decision II January 2, 2027 (decision February 12, 2027; reply February 26, 2027); Regular Decision January 2, 2027 (decision March 24, 2027; reply May 1, 2027). Financial aid deadline for Early Decision II and Regular Decision is January 15, 2027.

Transfer application deadline is March 1, 2027, financial aid deadline March 15, 2027, decision release May 14, 2027 and reply-by date June 1, 2027. Applicants apply through the Common Application for Transfer.

The first-year and transfer application fee is $70, or a fee waiver. Johns Hopkins requires standardized testing (SAT or ACT scores, self-reported or official) for first-year applicants.

Advanced Academic Programs charges a $90 non-refundable application fee per programme application for Summer 2027 and later terms.

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