A²ZERO Green Fair

Ann Arbor's annual street fair celebrating sustainability, community, and climate action

Attendees of the 2025 Green Fair walk by an A2ZERO tent and under a Green Fair banner.

2026 A2ZERO Green Fair 
Main St., Ann Arbor 

Friday, September 18, 2026

5:00 p.m. - 8:00 p.m.

Join us for Ann Arbor's annual street fair celebrating sustainability, community, and climate action! Visit our five themed areas to explore how you can be part of a cleaner, greener, and more resilient future in Ann Arbor and Washtenaw County.

Green Fair Highlights

Hourly Giveaways

Details coming soon!

Two women in blue shirts hold cardboard cutouts of tomatoes with a speech bubble that says "I signed up for the Food Waste Challenge!"

Make your own pickling kit!

Details coming soon! 

Bike Parade

Details coming soon!

OSI Senior Analyst Sean Reynolds plants a young pawpaw tree.

Biodiversity Boulevard

Details coming soon! 

2026 Exhibitors

Find out who's coming to the Green Fair by zone below!

Chat with industry experts, local residents, and contractors about improving your home's efficiency and health. We'll have information for homeowners, renters, and building professionals.

Not planning on any of these projects or programs? Stop by anyway, take a stroll down Main Street, and see how Ann Arbor is moving toward community-wide carbon neutrality! 


Exhibitors:

  • Ann Arbor for Public Power
  • Carrier Great Lakes
  • Citizens' Climate Lobby - Ann Arbor Chapter
  • City of Ann Arbor: Home Energy Advisor (HEA) Program
  • City of Ann Arbor: Sustainable Energy Utility (SEU)
  • Corrigan Moving Systems - Ann Arbor
  • DTE 
  • Elevate 
  • FranklinWH Energy Storage 
  • Great Lakes Building Innovations LLC 
  • Great Lakes Renewable Energy Association (GLREA) - Solarize Program
  • Homeland Solar, LLC.
  • Human Electric Hybrids
  • Inclination Engineering 
  • Michigan Electric Vehicle Alliance
  • Michigan Energy Services
  • Michigan Saves
  • Mitsubishi Electric HVAC
  • OSI - Energy 
  • Pearl Edison
  • Plug P2P
  • Spink Insulation 
  • The Harlan
  • University of Michigan Center for Sustainable Systems
  • University of Michigan Office of Campus Sustainability
  • Washtenaw 2030 District
  • Washtenaw Community College
  • Women of Renewable Industries and Sustainable Energy (WRISE) - Michigan Chapter
  • Third Act Michigan
  • Washtenaw Climate Reality
  • Ann Arbor Public Schools: Capital Programs

This zone will showcase local businesses and organizations leading the way in circular economy practices - through reusing, repairing, sharing, lending, and finding creative ways to extend the life of goods and resources!

Plus, stop by for our community swap to drop off clothing you no longer need or find something new-to-you without shopping!

Exhibitors:

  • A Colorful Collection
  • All Hands Active
  • Blueprints for Pangaea
  • BYOC Co.
  • C'Mon Betty
  • Common Cycle
  • Elevate Design 
  • Food Gatherers
  • Happy Planet Running
  • House N2 Home 
  • Influence Ypsi - Community Composting 
  • Maker Works Community Workshops
  • Nifty Norwex with Kathleen
  • OSI – Circularity Team 
  • OSI – Swap 
  • People's Food Co-op
  • Saline Cycles LLC
  • The Ecology Center
  • United States Agriculture Corps
  • University of Michigan SEAS Trash Club
  • VegMichigan
  • ZeroWaste.Org 

Explore all the inspiring ways that City departments, nonprofits, and businesses are helping Ann Arbor not just bounce back, but bounce forward and build community strength in the face of climate change and other challenges. Tour Ann Arbor's brand-new solar mobile resilience hub, draft an emergency plan, chat with community leaders helping to meet the needs of fellow residents, and learn about how you can help to build community resilience! 

Exhibitors:

  • American Institute of Architects - Huron Valley Chapter
  • Ann Arbor Indivisible
  • Ann Arbor Senior Center 
  • City of Ann Arbor: Ann Arbor Water (Drinking Water)
  • City of Ann Arbor: Ann Arbor Water (Floodplain)
  • City of Ann Arbor: Ann Arbor Water (Stormwater)
  • City of Ann Arbor: Emergency Management 
  • City of Ann Arbor: Police Department (AAPD)
  • City of Ann Arbor: Renters Commission
  • City of Ann Arbor: Solid Waste Unit
  • City of Ann Arbor: Transportation
  • Commute with Enterprise
  • Neighbors for More Neighbors A2 (a project of the Washtenaw Housing Alliance)
  • OSI - Muni Ops
  • OSI - Resilience
  • Rotary Club Ann Arbor
  • TheRide (AAATA)
  • University of Michigan College of Literature, Science, & the Arts (Climate Cafes)
  • University of Michigan Office of the Provost - Sustainability & Climate Action
  • Washtenaw Bicycling & Walking Coalition (WBWC)
  • Washtenaw County Environmental Council
  • Washtenaw Housing Alliance 
  • Washtenaw Optimal Wellness

Residents, visitors, and passers-through of Ann Arbor alike are invited to learn about the work being done in the local community to protect the health of our environment and nurture it to thrive. Learn about resources and volunteer opportunities, see birds of prey, get hands-on demonstrations, and more! 

We'll also have native seeds available for those who participate in our "Wheel of Pollinators" activity - so be sure to stop by the OSI natural features table in this zone!

Exhibitors:

  • Ann Arbor Area Wild Ones
  • City of Ann Arbor: Greenbelt
  • City of Ann Arbor: Natural Area Preservation (NAP)
  • City of Ann Arbor: Public Works Forestry// Elizabeth Dean Fund Committee
  • Conscious Planet - Save Soil
  • EDF Action 
  • Huron River Watershed Council
  • Huron Waterloo Pathways Initiative/B2B Trail
  • Mary Berry's Gardening
  • MoldPro
  • Project Grow Community Gardens
  • Purple Love Gardening 
  • Scio Residents for Safe Water (SRSW) & Coalition for Action on Remediation of Dioxane (CARD)
  • Seeds to Community
  • The Treeline Conservancy
  • Washtenaw County Water Resources Commissioner's Office
  • OSI: Natural Features Table

This is where the fun lives at Green Fair! Family-friendly activities, life-size board games, yard games, prizes, and more. There’s no age limit on being a kid! 

Exhibitors:

  • Ann Arbor District Library
  • Ann Arbor Hands-On Museum AND Leslie Science & Nature Center
  • OSI - Sustainability games and activities 
  • Neutral Zone - Youth Now Climate Action
  • University of Michigan Pop-Up Safety Town
  • OSI – Lawn games

Contact Info

DeAndré J. Calvert

Sustainability and Innovations Engagement Manager