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Events Calendar Submission

Close-up of tabling materials and signage during a Harvard Earth Day event in 2023.

Submit a Sustainability Event

Tell us about your sustainability-related news or event at Harvard so we can help spread the word!

  • MM slash DD slash YYYY
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  • Be sure to include any important additional details, such as a maximum number of attendees, a registration or ticket link, etc.
  • Max. file size: 100 MB.
  • Max. file size: 100 MB.
February

22

Sunday
All-day

Application Deadlines

Apply to Salata Climate Policy Summer Internship Program by Feb. 22, 2026

Apply
Salata Institute

The Climate Policy Summer Internship Program is run by the Salata Institute for Climate and Sustainability in collaboration with climate-focused legislative offices at the Massachusetts State House. The program places Harvard undergraduate and graduate students in legislative offices whose policy agendas address climate, environmental, or sustainability issues in the Commonwealth of Massachusetts.
Apply for the Summer 2026 Climate Policy Summer Internship Program by Sunday February 22, 2026.

April

18

Saturday
1:00 pm-4:00 pm GMT+0000

Cherry Blossom Celebration at the Arnold Arboretum

Come celebrate Japanese culture amongst the Arboretum’s beautiful cherry blossoms with taiko drumming, traditional Japanese dance, Japanese games and calligraphy, family activities, and the inside scoop on the Arboretum’s own cherry collection.

April

22

Wednesday
12:00 pm-2:00 pm GMT+0000

Community Event

Earth Day 2026

Earth Day
Earth Month 2026

Join the Harvard Office for Sustainability and Harvard Common Spaces for an Earth Day Festival on Wednesday, April 22, 2026 from 12 to 2 pm at the Science Center Plaza.

March

04

Wednesday
11:00 am-2:00 pm GMT+0000

Open to Harvard Community

Spring 2026 Freecycle at Science and Engineering Complex (SEC)

freecycle
Zero Waste

Join us at our Freecycle in the SEC Atrium! Drop off reusable goods you no longer need, and browse a fantastic selection of items brought by others. Find some secondhand items to gift this year. Popular items include books, clothes, and working household goods.

April

01

Wednesday
11:00 am-2:00 pm GMT+0000

Open to Harvard Community

Spring 2026 Freecycle at Smith Campus Center (SCC)

Earth Day
Earth Month 2026

Join us at our Freecycle in the Smith Campus Center! Drop off reusable goods you no longer need, and browse a fantastic selection of items brought by others. Find some secondhand items to gift this year. Popular items include books, clothes, and working household goods.

February

23

Monday
4:30 pm-5:30 pm GMT+0000

Open to Harvard Community

Harvard Voices on Climate Change: Mapping the Future of Renewable Energy

Salata Institute

The Salata Institute for Climate and Sustainability and the Harvard Alumni Association invite you to the next installment of Harvard Voices on Climate Change, a virtual series showcasing Harvard faculty and fellows on different dimensions of the climate challenge. This session will explore the complex decisions behind where and how renewable energy projects get built. Featuring Charles Taylor, Assistant Professor of Public Policy at Harvard Kennedy School, and Andrew Mergen, Emmett Assistant Clinical Professor of Environmental Law at Harvard Law School, the conversation will examine the legal, environmental, and community considerations that shape clean energy development.

March

05

Thursday
6:00 pm-8:00 pm GMT+0000

Careers in Climate Action Speaker Series Spring 2026

Join the Salata Institute at Mignone Center for Career Success for an evening that explores scientific creativity and tangible career opportunities in Denmark. Learn how you can build a meaningful career in a thriving, collaborative research ecosystem through Danish Technical University and Science Hub Denmark. Discover how your next research step could take you to the heart of Europe’s green and bioscience transition. This session features Andreas Worberg, Head of the Center for Biosolutions at Danish Technical University, and Charles More, interdisciplinary thinker and founder of Imaginative Philosophy. Together, they will share perspectives on how cutting-edge bioscience, biomanufacturing, and creative scientific thinking translate into real-world climate and planetary health solutions. Speakers will highlight career pathways within Denmark’s collaborative research landscape, including opportunities supported by Science Hub Denmark, and discuss how researchers can move from early-stage inquiry to applied impact. Attendees will gain insight into how their next research step could place them at the heart of Europe’s green and bioscience transition—working across disciplines, sectors, and borders to address urgent climate challenges.

April

22

Wednesday
10:00 am-12:00 pm GMT+0000

Charles River Clean-Up 2026

Earth Day
Earth Month 2026
Harvard Kennedy School

Take action on Earth Day and join your Harvard community members and friends for a Charles River Clean-up on Earth Day, Wednesday, April 22, 2026 from 10 am to 12 pm! The Charles River Conservancy will be providing a brief education on the local watershed and provide tools and training for the morning.

April

15

Wednesday
9:00 am-12:00 pm GMT+0000

Open to Harvard Community

HKS Hosting Bike Repair Day and Breakfast

Bicycling
Earth Month 2026

As part of 2026 Earth Month, the Harvard Kennedy School will host a bike repair day and breakfast on Wednesday, April 15th from 9 am-12 pm. 

January

05

Multi-day Event

ISCN Photo Contest

The International Sustainable Campus Network (ISCN) is launching an extended edition of the “Biodiversity on Campus” Photo Contest, and we warmly invite members of the Harvard community to take part.

The contest highlights biodiversity measures and nature-positive moments on university campuses. Participants submit one photograph and a few details that bring the image to life: together, images and additional information form powerful, engaging narratives that help us think — and act — together for a resilient future.

Submit your photo by February 28, 2026.