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Join Our Earth Month Tours

We're acknowledging and celebrating Earth Day throughout April, and you can join us.

Spring Certification Deadline

Submissions for the 2025 spring certification cycle are due on Tuesday, April 8, by 12:00 p.m. ET - Learn how to apply

Sustainable CT Coffee Hour

Learn about the results of a three-year Sustainable Materials Management (SMM) pilot, funded by DEEP.

Application Deadline: May 5, 2025, before 9 AM ET

For more information on how to apply, visit our Employment page.

Have a great idea?

We have funds and coaching to support sustainability projects in your community.

The IMPACT

Danielle Chesebrough explains why state investment in Sustainable CT is such a great idea.

Free training, resources, tools

We’re eager to help your community become more sustainable - Learn more

Actions & Impact

Stay up to date with the latest and greatest Sustainable CT news - Learn more

What's New?

Get the March Actions & Impact.

The latest IMPACT podcast: Danielle Chesebrough.

Join our Earth Month tours.

We're hiring an Administrative Coordinator. Apply by May 5!

Our April 17 Coffee Hour: DEEP's Sustainable Materials Management Pilot

Climate Leader Designation

Celebrating municipalities that are reducing harmful greenhouse gas emissions while saving money, improving public health, and building community.

Learn More

Community Match Fund

A fast, flexible program to support sustainability initiatives throughout Connecticut. Get inspired to start your own Community Match Fund campaign by viewing our flipbook of recent projects.

Get Inspired

Funders & Sponsors

Event Sponsor

Founding Funder

Supporting Funder

Participating Communities

View the map of Connecticut’s registered communities. Search the completed actions database.

View Map

Certification Program Statistics

If your municipality is not yet registered with Sustainable CT, or if your town is registered but has not yet considered working towards certification, please contact us. We’d be happy to speak with you, provide any information you may need, and discuss next steps.