Earth Month has arrived, an ideal opportunity for Princeton faculty and staff to engage in sustainability efforts. Check out this lineup of eco-friendly events organized and endorsed by the Office of Sustainability, both on campus and within the local community. Join in, spread the word and contribute to positive change this April.

Through May 3

Free Outdoor Action trips and activities

Experience nature and recreational activities with Outdoor Action (OA), Princeton’s outdoor education and leadership development program. OA invites the campus community to a full moon night hike in the Institute Woods, afternoon kayaking on the D&R Canal and indoor rock climbing at the OA Climbing Wall. Check out upcoming events and register.

April 2 to May 7

Princeton University Farmers’ Market

11 a.m. to 3 p.m. | Firestone Library/Chapel Plaza

The Princeton University Farmers’ Market is back for spring! Spring vendors include Catalina Empanadas, The Granola Bar, Tico’s Eatery and Juice Bar, Pickle Licious, Sprouts Flowers, Roper’s Way Farm, Pies & Quiches, Terhune Orchards and more! Learn more.

April 4 

Careers in Sustainability Alumni Panel

5-7 p.m. | Lewis Library 138

Students are invited to join alumni working in sustainability to discuss diverse career paths in the field, from science and technology to advocacy, education, policy and planning. Learn from their experiences and gain valuable advice. Learn more.

April 4 and 5

Banff Centre Mountain Film Festival World Tour 2025

7:30-10:30 p.m. (Doors open at 6:45 p.m.) | McCosh Hall, Room 10

Princeton’s Outdoor Action Program presents this 29th annual festival, showcasing the world’s best adventure documentary films on mountain-related subjects, including climbing, hiking, kayaking, mountain biking, skiing, trail running and more. 

Tickets are free for Princeton students, faculty and staff, and $20 for the general public, and can be purchased online. Find details, film schedule and tickets.

April 8 

Sustainable Campus Forum 2025

12-1:30 p.m. | Frist Campus Center, MPR 

Join the Office of Sustainability and campus partners for panel discussions and tabling expo celebrating this year’s Campus as Lab projects. Over a dozen research projects conducted during the 2024-25 academic year will be presented by research associates and their faculty/staff mentors. Register here.

April 10 

“Bird Safe” YouTube Premiere 

10 a.m. | Virtual

Hundreds of millions of birds die annually in the U.S. due to collisions with buildings. A small group of Princeton students witnessed this problem on campus and worked to develop a solution, ultimately convincing University administration to adopt it. The short film “Bird Safe,” by  Jared Flesher, communications specialist in the Office of Sustainability, documents the students’ efforts to make Princeton a bird-safe space.  Watch the premiere online at 10 a.m. on April 10.

April 12

Millstone Stream Cleanup

8:30-11 a.m. | Plainsboro Recreation and Cultural Center

Join EcoReps and the Office of Sustainability in a cleanup of the Millstone River, in partnership with New Jersey’s Watershed Institute, an organization committed to maintaining clean water and fostering healthy environments through conservation, advocacy, science and education. Everyone from Princeton’s community is invited. Breakfast will be provided, and transportation can be arranged. Sign up to volunteer.

April 17

Princeton Sustainability Networking Lunch

12:30-2 p.m. | Frist Campus Center, MPR 

Come together with students, faculty and staff who are passionate about sustainability. Network, exchange ideas and get updates on the Sustainability Action Plan. A vegetarian lunch will be provided. Register here.

April 22

Gravity Vault Princeton Earth Day Movie Night

6-9 p.m.

Celebrate Earth Day with a screening of “Conserve” at the Gravity Vault of Princeton, an indoor climbing gym. This film focuses on responsible climbing and land stewardship in New York’s Shawangunk Mountains, emphasizing the effects of climbing on the delicate landscape and what climbers can do to preserve it. Check out their website for more information.

April 25

Office of Sustainability’s Earth Week Festival

12:30-3:30 p.m. | Frist Campus Center South Lawn

Join the Office of Sustainability, Undergraduate Student Government and a growing list of sustainability-themed student organizations and allied departments as we celebrate Earth Month at Princeton! Free snacks and succulent plants will be provided, along with a plethora of activities, games and prizes. Learn more.

April 27

Sustainable Princeton Earth Festival and Trashion Show

11 a.m. to 3 p.m. | Morven Museum & Garden

Join Sustainable Princeton and Morven Museum & Garden for a day of eco-friendly fun highlighting local sustainability efforts. The fun and unique Trashion Show will display innovative fashions crafted from recycled and repurposed materials. Everyone is invited to walk in the show, as well as enter the design competition. Plus, the festival features yoga, food, live music and much more! Here’s how to join the Trashion Show competition.  Learn more about the festival, which is free and open to the public. 

Beyond Earth Month

MEND Clothing Alterations and Repairs

Every Monday | Earth Month dates: April 7, 14, 21 and 28

7-9 p.m. | Eco Lounge (Frist Campus Center, Room 118)

Driven by a love for sustainable fashion, the student organization MEND instructs faculty, staff and students in sewing and mending techniques to minimize clothing waste and consumption. Bring your repairable garments, and MEND students will offer their assistance. Learn more.

Greening Move Out 2025: Call for volunteers

The Greening Move Out Program, led by the Office of Sustainability, aims to promote sustainability and reduce waste during the move-out process. It collects donations from undergraduates leaving the dorms for the summer or after graduation, with items being reused or donated to local charities and organizations.

The program seeks faculty, staff and student volunteers to join the 2025 effort. Volunteers will be stationed around campus and staff designated tents where students can drop off furniture and dorm items during the Move Out period. Training will be provided. Learn more and sign up to volunteer.

Volunteer with the Forbes Garden Project

Forbes College, 79 Alexander St.

The Forbes Garden Project is a student-run initiative that invites the community to join in the journey toward sustainability through hands-on learning and organic farming. Whether you’re a green thumb or a newbie, you can volunteer with the group to help cultivate their community garden and a greener future. Ready to dig in and make a difference? Sign up here.