Sustainability Fair at the Nashua Public Library

Join the Nashua Public Library on the library plaza every April for a showcase of sustainable projects, practices, and organizations in the Nashua area.This free, family-friendly event returns this year with an exciting line-up of activities you won't want to miss! Learn more

2025 Highlights

• Explore the natural world through a special exhibit from The Caterpillar Lab. Two dozen species of caterpillars and other associated insects of live native New England caterpillars will be on display with staff educators available to teach you about their biology. 
• Take part in a community art project.
• Browse and buy directly from artisans and farmers at our Eco-Market.
• Take in the electric vehicle showcase and get your questions answered with owners and Drive Electric NH.
• Stop by the vendor tables to learn about sustainability resources in our community.
• Take home free seeds and plant starts from the Seed Library.
• Document our local biodiversity by participating in the City Nature Challenge.
• And more!