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Congrats to our Certified Communities

Learn about all of our participating communities by visiting our map.

You're Invited!

We'll be honoring all of our 2026 certified towns and Climate Leaders. Register today.

The IMPACT

Join us in September for our episode with the City of Bridgeport.

Actions & Impact

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

Have a great idea?

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

Free training, resources, tools

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

What's New?

Congratulations to our 2026 Certified Communities and Climate Leaders! Learn more about our certified communities by visiting our Participating Communities map.

Listen to the September IMPACT to learn how the City of Bridgeport is making sustainability a central part of municipal action.

View the recording of our September Coffee Hour.

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

Naming Event Sponsor

Event Sponsor

Founding Funder

Supporting 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.