The 2025 UC San Diego Earth Week Celebration, April 20-27, embraces the international theme of “Our Power, Our Planet,” in support of renewable energy and driving positive change together. Join UC San Diego and communities around the world in celebrating the earth with the following events where we can harness our collective power to take meaningful steps for our planet.
Sustainable Shopping Pop-Up
Monday, April 21 – Friday, April 25
8 a.m. – 5 p.m. at Library Walk
Come shop unique surplus items — furniture, electronics, lab equipment and more — all originating from campus departments and labs!
Earth Day Festival
Tuesday, April 22
Noon – 3 p.m. at Sun God Lawn
Celebrate Earth Day with free vegan food, eco-friendly activities and student organizations dedicated to sustainability.
Catching Up with Climate Change (UC San Diego Health and School of Medicine)
Tuesday, April 22
5:30 p.m. – 7:30 p.m. at Medical Education and Telemedicine Building
Celebrate Earth Day with UC San Diego Health and the School of Medicine at this casual social mixer. Grab free food, connect with clinicians and medical students, and learn about climate and health research on campus.
Climate Conversations
Wednesday, April 23
12:30 p.m. – 1:30 p.m. at Climate Action Lab
Join us for an Earth Week special edition of Climate Conversations, where you’ll enjoy a free lunch and participate in meaningful discussions about advancing climate action and sustainability on campus.
Arbor Day Tree Planting
Friday, April 25
Noon – 2 p.m. at Warren Mall
Join Facilities Management for a tree planting demonstration and tree planting opportunities. Landscape Services Urban Forester, arborists and staff will be on site to facilitate the plantings.
All events are free and open to the campus community, unless otherwise noted. To view the full calendar of events, visit the Sustainability Events Calendar.
In order to allow employees the opportunity to participate in a UC San Diego Earth Week activity, one hour of administrative leave with pay has been approved. We encourage all managers and supervisors to allow employees to attend, as long as the absence does not infringe upon the performance of required job duties or patient care.
Sustainability plays an integral part in UC San Diego’s education, research and campus operations. We encourage you to learn about sustainability events taking place throughout the year and more about our continuing efforts at sustainability.ucsd.edu.