Semester in Environmental Science (SES)

The MBL’s Semester in Environmental Science (SES) is a 15-week program that provides intensive field and laboratory-based learning opportunities to better understand ecosystem science and the biogeochemistry of coastal forests, freshwater ponds, and estuaries.

Course date:
Sep 03, 2023 - Dec 19, 2023
Application due date:
Mar 21, 2023
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Learn more about the SES program here.

Applications Now Open for 2023!

JOIN US for your fall semester in an intensive field and laboratory-based program on ecosystem science and global change at the Ecosystems Center, Marine Biological Laboratory in Woods Hole, Massachusetts.

MEET OUR FACULTY who teach about fundamentals of ecosystems science and discuss their current research on important issues of global and environmental change. 

LEARN ABOUT SES COURSES in terrestrial and aquatic ecosystem analysis, microbial methods, mathematical modeling, science journalism, and independent study where you develop research questions of your own and report your findings at a final symposium open to the Woods Hole scientific community, a world center for marine and environmental sciences.

BUILD A NETWORK with fellow students and more than 400 SES alums from over 50 colleges and universities. 70% of SES alums go on to graduate school and many continue to pursue environmental careers in academics, industry, and government or non-profit organizations.

Latest News
SES classes of 1997 and 2022

SES 25th Anniversary Celebration and SBD Welcome Symposium!

April 20-22, 2023 at the Marine Biological Laboratory, Woods Hole, MA.

learn more here
Faculty Testimonials Highlight Uniqueness of SES Program

SES Faculty Testimonials

Check Out the Videos Here
SES 25th Student Independent Research Symposium

The Marine Biological Laboratory’s Semester in Environmental Science is proud to announce the 25th annual Student Independent Research Symposium. Students who have participated in the semester-long study abroad course present the culmination of their independent research projects in 15-minute talks. This event is available to view live and the recording will be made available below:

Watch Here
Science Writing Seminar Articles
Read the blogs here
Social Media
SES Alumni Testimonial
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One of the biggest key takeaways from the program is being able to find people who share your passions and who you are going to connect with later on in life and maybe work together some day...

Marcus Mekhail, SES Class of 2021

Interested in speaking with a former SES Student?

Our SES alumni are the best ambassadors!  Get in touch with us to connect with an SES alumnus to learn about their experience.

Email us at SES@MBL.EDU