1. Associate of Science (A.S.) in Environmental Science or Studies:
- Typically takes 2 years of full-time study (60-70 credit hours).
2. Bachelor of Science (B.S.) in Environmental Science, Environmental Studies, or a related field:
- Usually takes 4 years of full-time study (120-130 credit hours) after high school.
- Some universities offer accelerated B.S. programs that can be completed in 3 years.
3. Master of Science (M.S.) in Environmental Science, Environmental Management, or related field:
- Normally requires 2 years of full-time study (30-36 credit hours) after completing a bachelor's degree.
- Some programs offer part-time options that may take longer to finish.
4. Doctor of Philosophy (Ph.D.) in Environmental Science or a related field:
- Typically takes 4-6 years of full-time study and research beyond the bachelor's degree.
- It involves coursework, comprehensive exams, dissertation research, and writing.
Remember that the actual duration may vary based on university policies, individual academic progress, and other factors. Some institutions may offer flexible study options, such as evening classes or online learning, which can accommodate part-time students or those with work and family commitments.