Looking to explore environmental science topics over winter break? The University of Illinois Urbana-Champaign is offering two fully online courses during its Winter 2026–27 session, giving students an opportunity to learn about Earth's natural systems, climate, and environmental hazards between semesters.
Both courses are offered through the Department of Earth Science & Environmental Change and may be of interest to Environmental Studies students.
Available Courses
GEOL 117: The Oceans
Dive into the science of Earth's oceans, exploring marine environments, ocean currents, coastal processes, and the connections between oceans and climate.
This course is a great option for students interested in marine science, climate change, coastal ecosystems, and environmental processes.
GEOL 118: Natural Disasters
Explore volcanoes, earthquakes, and other natural hazards, including how these events affect communities and how people prepare for and respond to environmental disasters.
This course may appeal to students interested in natural hazards, disaster preparedness, environmental risk, and community resilience.
Course Details
Dates: December 18, 2026 – January 15, 2027
Format: 100% online
Credits: 3 credit hours per course
Duration: 4 weeks
Course Limit: Students may enroll in one winter course.
Tuition: $1,326 per course for visiting, non-degree undergraduate students, regardless of residency. Additional materials or proctoring fees may apply.
Both courses fulfill the University of Illinois' Natural Sciences & Technology, Physical Sciences General Education requirement.
Registration Information
Registration for visiting students opens November 16 and closes December 14, 2026.
Students interested in enrolling should review the University of Illinois non-degree registration process.
Additional information about winter session tuition is also available online.
Important Information for NIU Students
Because these courses are offered by another university, NIU students should confirm how the credits will transfer and apply toward their degree requirements before registering.
Students can use Transferology to explore potential transfer equivalencies and contact their academic advisor to determine whether a course would fulfill a specific NIU requirement.
The four-week winter format is intensive, so students should also be prepared to dedicate regular study time throughout the session.
Questions?
For additional information about the courses, contact:
Dr. J. Cory Pettijohn
Department of Earth Science & Environmental Change
University of Illinois Urbana-Champaign
jcpettij@illinois.edu
Make winter count by exploring the science behind our changing planet!







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