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Graduate School & Research Building (GSR)

Suite 2.210

Office Hours:

Monday - Friday

8 A.M. - 5 P.M.

Contact US:

Phone: (210) 458-4331

Fax: (210) 458-4332

Admissions Email:

Recruitment Email:

Environmental Science (M.S.)

Basic Degree Information/Description

The College of Sciences offers opportunities for advanced study and research leading to the Master of Science degree in Environmental Sciences. The Master of Science degree is awarded to candidates who have displayed an in-depth understanding of the subject matter and demonstrated the ability to make an original contribution to knowledge in their field of specialty.

Degree Requirements

  • The Master of Science degree requires a minimum of 36 semester credit hours beyond the baccalaureate degree (exclusive of coursework or other study required to remove deficiencies).
  • For a complete list of degree requirements please see the Graduate Catalog.

Admission Requirements and Deadlines

Admission Prerequisites: 

  • A bachelor's degree in biology, ecology, environmental science, chemistry, geology, engineering or some other related scientific discipline.  
  • Additionally, it is required that applicants will have taken coursework in the following areas:  1) one semester in general statistics; 2) one semester in organic chemistry; and 3) one semester of environmental science or ecology.  Applicants lacking these requirements will be asked to complete these deficiencies within the first 12 credit hours. A minimum grade point average of 3.0 (on a 4.0 scale) in upper-division and graduate work is also required. Applicant's evaluations will be considered on a case-by-case basis.

Application Requirements:

  • A degree seeking applicant must meet university wide requirements.
  • A complete Graduate Studies application.
  • Official transcripts from all institutions attended.  All international transcripts must be recorded in English or officially translated to English.
  • General GRE Required
  • A Resume is required.
  • 2 Letters of Recommendation are required from persons familiar with the applicant's academic record.
  • A Statement of Purpose - should include research interest as well as professional and academic goals.
  • Minimum TOEFL Score (for International Applicants): 550 paper/79 internet
  • Minimum IELTS Score (for International Applicants): 6.5
  • Additional Requirements: International students and those with international degrees may be required to submit additional documents per our admissions policies and procedures. The Graduate School reserves the right to request any additional documents needed to fairly and consistently evaluate applicant credentials.

Career options available for graduates

Our M.S. graduates are employed as scientists in government agencies and private environmental consulting firms. Some of the graduates who complete theses pursue doctoral degrees. 

Research taking place in the M.S. Environmental Science program

Research is conducted by faculty in Biology, Chemistry, Civil and Environmental Engineering, and Geological Sciences and includes multidisciplinary topics. Recently completed thesis projects include:

  • Andrew Baldwin (2012): The effects of repetitive grazing on schizachyrium scoparium and the role it plays in woody plants encroachment on Texas grasslands.
  • Claudia Contreras (2011): Transcriptional analysis of distant signaling induce by insect elicitor and mechanical wounding in zea mays.
  • Jeremy Shields (2011): The effects of different sources of supplemental carbon on the growth rate of neochloris oleoabundans.

Contact Information

Graduate Advisor of Record: Janis Bush, Ph.D.
Email Address:  
Telephone: (210) 458-5660

Degree Website:

Degree Catalog Link:

Funding Opportunities

A limited number of teaching assistantships are available to qualified applicants on a competitive basis. Contact Dr. Janis Bush, Director of Academic Programs in Environmental Science (

Course Scheduling and Offerings

Courses are offered mostly in the late afternoon and evening.

important dates

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