MESc Environmental Science at Yale University

Programme overview

The Master of Environmental Science is a research-oriented science degree focused on non-forest environmental issues, with flexibility in course selection and an emphasis on research skills and grant-seeking strategies.

Faculty: Yale School of the Environment | Study mode: full-time | Location: New Haven, CT, United States

What you will study

Flexible course selection on non-forest environmental issues with research skill building.

Career pathways

Scientific research contributing to basic and applied knowledge.

Official programme page

Application information

Entry requirements

Yale School of Environment two-year master's applicants (MEM, MF, MFS, MESc): a four-year bachelor's degree (or international equivalent) from an accredited institution, with transcripts from every institution attended; three letters of recommendation from academic or professional supervisors; application essays; GRE optional. International applicants whose native language or language of instruction was not English: TOEFL iBT minimum 5.0 on the 1-6 scale (100 on the 0-120 scale) or IELTS Academic overall 7.0 with at least 6.5 in each section; Duolingo is not accepted; a waiver may apply if the bachelor's was taught fully in English.

Requirements published at faculty level.

USD 55,960 a year (2026-27). School of the Environment 2026-2027 tuition, full-time (FTM). Tuition only; excludes the school's separate fees, health insurance and living costs. Source

PhD and Master's applicants at the Graduate School of Arts and Sciences apply for fall 2027 entry; most offers of admission for fall 2027 have a reply deadline of April 15, 2027.

Graduate School of Arts and Sciences deadlines (all 11:59 pm Eastern) for fall 2027: December 1, 2026 (e.g. BBS, Chemistry, Economics, History, Linguistics, Psychology, Public Health, Statistics); December 15, 2026 (e.g. American Studies, Anthropology, Applied Physics, Biomedical Engineering, Computer Science PhD, Electrical & Computer Engineering, Law, Management, Mathematics, Mechanical Engineering, Physics, Political Science, Sociology); January 2, 2027 (e.g. African Studies, Applied and Computational Mathematics, Architecture, Computer Science MS, Earth and Planetary Sciences, East Asian Studies, Nursing, Philosophy). Combined programs follow the earlier deadline or December 15.

The Graduate School of Arts and Sciences application fee for all degree-seeking applicants is US $105, non-refundable, payable by Visa, Mastercard, Discover or American Express; fee waivers can be requested until January 2.

GRE General Test requirements vary by GSAS program (required, optional or not accepted) for the 2026-2027 cycle.

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