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16 PhD programmes offered by the university

Fish, Wildlife, and Conservation Biology
The Department of Fish, Wildlife, and Conservation Biology from Colorado State University was the first in natural resources to emphasize the importance of incorporating public input and to implement two way communications into planning and decision-making regarding wildlife policy.

Environmental Health - Epidemiology
The Ph.D. in Environmental Health - Epidemiology specialization from Colorado State University focuses on the cause and spread of disease in both humans and animals.

Atmospheric Science
The department offers an Atmospheric Science Ph.D. program at Colorado State University for students who want to obtain the highest academic degree available in the field of atmospheric science.

Environmental Health - Industrial Hygiene Specialization
The Ph.D. in Environmental Health - Industrial Hygiene Specialization program from Colorado State University focuses on the science and art of recognizing, assessing, and controlling workplace hazards in order to protect the health of workers and community citizens.

Ecology
The Graduate Degree Program in Ecology at Colorado State University offers outstanding opportunities for graduate studies ecology.

Environmental Health - Environmental Health, Occupational Ergonomics and Safety
The Ph.D. in Environmental Health - Environmental Health, Occupational Ergonomics and Safety from Colorado State University is based on a multidisciplinary group of faculty and courses aimed at enhancing the workplace in terms of safety, process and product quality, and the quality of work life.

Ecosystem Sustainability
Many physical, ecological, and social factors interact to shape the future of our ecosystems and societies. This Ecosystem Sustainability degree is offered at Colorado State University.

Ecology – Human Environment Interactions
The Ecology – Human Environment Interactions program from Colorado State University offers outstanding opportunities for graduate studies ecology, including social-environmental systems.

Agricultural and Resource Economics
The Agricultural and Resource Economics program from Colorado State University is a STEM-OPT certified program that prepares students in microeconomic theory, quantitative methods, and coursework in the fields of agricultural and environmental and natural resource economics.

Human Dimensions of Natural Resources
The Department of Human Dimensions of Natural Resources from Colorado State University offers a research-based graduate program that is designed to educate and develop professionals in social science aspects of natural resources issues.

Geosciences
The Department of Geosciences offers a Ph.D. program in Geosciences at Colorado State University. Prospective Ph.D. students should visit the Geosciences website to identify likely advisors and contact them directly for further information about Ph.D. opportunities.
Rangeland Ecosystem Science
The Rangeland Ecosystem Science program from Colorado State University consists of foresters, range scientists, hydrologists, and social scientists that study natural environmental processes and how they interact with human systems.
Political Science - Environmental Politics and Policy
The Political Science - Environmental Politics and Policy program from Colorado State University offers a unique combination of specialized instruction in environmental politics and policy from our experienced faculty.
Toxicology
The Ph.D. in Toxicology program from Colorado State University focuses on gaining in-depth knowledge of the effects of chemicals and other potentially harmful agents on the health of the environment, humans, and animals, and requires that students make a unique research contribution to the field.
Watershed Science
The Watershed Science MS and Ph.D. programs at Colorado State University are internationally renowned, and the completion of a graduate degree is excellent preparation for a career in governmental agencies, private industry, teaching, or research.
Soil and Crop Sciences
The Soil and Crop Sciences program from Colorado State University can prepare you for a challenging career in many areas including: soil and crop management, plant breeding and genetics, seed science, environmental soil science, soil resources and conservation, and ecosystem management.