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We are Mount Desert Island residents, businesses and towns working together to achieve energy independence by 2030 and make MDI an epicenter of citizen engagement, sustainability, and economic vitality. 

We just launched our A Climate to Thrive 2018 Crowdfunding Campaign!
Please help make it a tremendous success! Every donation small and large helps.

Get Involved!  Join one of our ongoing projects to help create a positive future for MDI by helping us promote clean energy, improve efficiency, reinvent local food systems, develop climate-friendly transportation, move toward zero waste, and influence public policy. 

Weatherize MDI provides all Mount Desert Island homeowners with a:

  • Free energy consultation
  • 10% discount on air sealing, insulation, and heat pumps
  • Up to $2,500 in rebates on air sealing & insulation and $750 rebates on heat pumps

Weatherize MDI contracts must be signed by May 31, 2018, so call 207-991-3936 now or click below for a free consult.

Electric Vehicle Symposium  Save the Date!   Saturday, June 2 10-12:00 p.m.
The Moore Center, Ellsworth


Get Your Solar Energy from a Community Solar Farm

Want clean energy, but your roof is too shady? You can put your panels on a roof at Ocean House Boat Storage in Seawall.  Learn what's involved in investing in a local Community Solar Farm & tour the solar site. All MDI homeowners and businesses are welcome to join.

Solar Farm Meeting                      Thursday, May 17, 4:30 - 6:00 p.m.
First National Bank Meeting Room
Southwest Harbor


Doubling Solar Capacity in 2018 and 2019 through Grid Scale Solar Photovoltaics

Our volunteer team is investigating suitable sites on MDI that can support a large solar PV array with minimal impact on the environment, the community, and scenery. Grid-scale solar will increase our energy security, reduce the export of energy dollars off-island, and support our local economy. Join us.

Mount Desert Island – A Small Place with Some Big Environmental Goals

ACTT was featured in the Portland Press Herald. This column by Marina Schauffler appeared in her Sea Change column on March 11, 2018

The A Climate to Thrive group, formed in part to make the island energy-independent by 2030, is thriving. Mount Desert Island is a long way from the corridors of power, and what’s happening in Augusta and Washington holds scant promise of fostering a healthier environment or economy. So a growing number of MDI residents are taking matters into their own hands. Two years ago, they formed A Climate to Thrive (ACTT), seeking to help MDI “become an epicenter of citizen engagement, environmental sustainability and economic vitality.” A big part of that vision is to make MDI energy-independent – relying solely on local, renewable power – by 2030. 

This ambitious goal generated skepticism at first but more people are coming around, particularly after the group’s recent Summit drew upwards of 250 people to partake in 14 different workshops. 

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MDI is Moving Away From
Single-use Plastic Bags


Southwest Harbor residents - Come out and support four eighth grade Pemetic School students who will share their research and concerns about plastic waste and call on the community to increase sustainable practices and consider a single-use plastic bag ordinance at the town meeting on
May 7,  7:00 p.m. to 7:15 p.m.  

A local group is meeting to make Bar Harbor and Southwest Harbor the 15th and 16th Maine towns to pass an ordinance on single-use plastic bags.  

Wednesday, May 2 , 8:00 a.m.
Acadia Integrative Health
Kittridge Building in rear
1049 Main Street, Somesville

Can’t come, want to help? Email Christy Seed

Click to enlarge.

Plants, Puppets, and Free Buffet at COA Earth Day Celebration - April 8

Following the Friends of Acadia Roadside Earth Day Clean Up, there will be a free buffet including August Moon Caterers.

Spend a Saturday with awesome vendors.
Enjoy a Puppet Performance by local artists. Attend a workshop on seed saving, dancing, planting or learning how to fix your bike ... kid's workshops, too.

Be sure to visit our ACTT and Weatherize MDI tables! 


Ecopsychology and Spiritual Ecology: Changing Perspectives, Engaging Hearts, and Inspiring Action

May 8, 4:10 p.m. COA McCormick Hall

John Craigo and Dennis Kiley, both A Climate To Thrive (ACTT) board members, will explore how targeting the ways people think, feel, and relate is essential to catalyzing meaningful environmental action. This talk, entitled "Ecopsychology and Spiritual Ecology: Changing Perspectives, Engaging Hearts, and Inspiring Action", will look at the need to engage the minds and hearts of our community to best realize success.  Dennis and John will drawn on the insights of ecopsychology and spiritual ecology to share a path for doing this.

2018 ACTT Summit: Powering Our Future in January was an inspiration for over 280 participants!

Led by over 20 knowledgeable presenters who are taking charge of our energy future and leading climate change action, we shared success stories, confronted challenges, and left feeling hopeful! Josh Castonguay, VP of Innovation for Green Mountain Power, kicked off ACTT Summit with a compelling case for moving away from large, centralized, fossil fuel and nuclear power plants to decentralized power that places renewable energy production close to the customer.



Many MDI businesses are working hard to reduce fossil fuel use, add solar energy, eliminate disposable plastics, and/or use local and sustainably grown food. Read about what Peekytoe Provisions, Galyn’s Restaurant, Old Dog Baking Company, West Street Cafe, Thrive Juice Bar and more businesses are doing ...


Local Couple Offers $25,000 Challenge Pledge to A Climate to Thrive

A local couple who grew up on MDI have made a five-year, $25,000 matching pledge to A Climate to Thrive which would be the largest tax-deductible gift in our 20-month existence. "We enthusiastically support the mission of ACTT and envision its expansion to communities across the State." 

Our projects featured above and below ...

will create jobs, preserve the beauty of this island, and establish MDI as a resource and leader for communities around the world.

  • Solarize MDI - Celebrating our success in November!
  • Municipal Energy Benchmarking
  • Expanding Electric Vehicle Infrastructure
  • Winter FarmDrop with Healthy Acadia
  • Youth Community Catalysts with MDI Schools 
  • Plastics in the Ocean Education
  • Best Sustainable Business Practices

Do you enjoy passionate discussions about clean energy, local food systems, zero waste, public policy, new transportation? Get involved in one of our exciting projects that arose from our six committees. Join us to help create the future that you envision for your family, your grandchildren, and future generations.

Contact us at to find out how you can help us or click here to see how you can reduce your carbon footprint.

“I’d put my money on the sun and solar energy.  What a source of power!  I hope we don’t have to wait until oil and coal run out before we tackle that.” - Thomas Edison (1931)