University of Oklahoma

PhD in Environmental Science

Norman, United States Taught in English Open to international students

Introduction

The University of Oklahoma, founded in 1890 and based in Norman, is a well-established public research university offering a wide array of undergraduate and graduate programs. OU combines rigorous academics with a strong campus identity and community spirit, reflected in active student engagement across athletics, cultural activities and student organizations. Its academic portfolio spans the arts and sciences, engineering, business, law and professional schools, preparing students for diverse careers.

Research and innovation are central to OU’s mission, with modern facilities that support collaborative projects and experiential learning. Students can access internships, research assistantships and industry partnerships that enhance employability and practical skills. The university places emphasis on hands-on learning, community outreach and interdisciplinary initiatives, and provides resources to support international students’ academic success and integration.

Campus life in Norman is welcoming and student-centered, offering residential communities, student services and a variety of extracurricular options that foster leadership and personal growth. The surrounding region provides affordable living and opportunities for internships in local industries, while OU’s alumni network and career services support graduates entering national and international job markets. For students seeking a balanced combination of strong academics, spirited campus life and applied learning, OU presents an accessible and engaging choice.

About the Program

The PhD in Environmental Science at the University of Oklahoma is for students who want to study the natural world and help solve environmental problems. This PhD degree takes several years to complete and helps students develop strong research skills.

The curriculum includes subjects like ecology, conservation biology, and environmental policy. Students will develop skills in field research, data analysis, and scientific writing through hands-on components.

Graduates can work as Environmental Scientists, Conservation Biologists, Ecologists, Sustainability Consultants, or Research Professors in industries like government, academia, and non-profit organizations.

Tuition in Context

This program's tuition is 60% below the typical PhD in the United States.

Median tuition for that cohort is 29,822 USD, across 2,296 programs in our catalog.

Compare United States PhD programs

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Argentina · Private

Roberto Rocca Education Program 2026

Techint Group (Roberto Rocca Education Program)

Engineering scholarships plus 12-15 PhD fellowships a year covering tuition, fees and living costs.

Master's PhD
Open · Next: Application windows vary by country and track and are announced annually, often opening early in the calendar year. Confirm the current deadline for your country at robertorocca.org.
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English Test Requirement

This program asks for IELTS 5.5-6.0. Here's what that's worth on the other tests universities accept, based on the official concordance tables:

TOEFL iBT
46–59
PTE Academic
42–49
Duolingo
85–95
CEFR level
B1/B2
Convert your own score

Equivalences are approximate — confirm the exact test and score the program accepts.

Similar Programs You Can Apply To

Direct application via Global Admissions is not available for this program. Browse similar partner programs below or visit the university's site to apply directly.

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