2025 Metro Mayors Coalition (MMC) Climate Summit

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2025 Metro Mayors Coalition (MMC) Climate Summit
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2025 Metro Mayors Climate Summit

Ten Years of Climate Action

Documents
Climate Wins
Event Photo Gallary
Media Coverage

On Monday, May 12, 2025, the mayors and managers from the Metro Mayors Coalition (MMC) came together at the Museum of Science in Boston to celebrate the ten-year anniversary of the adoption of the 2015 MMC Climate Commitment, and the work accomplished thus far.

At the event, they also signed an updated 2025 MMC Climate Commitment, reiterating their shared commitment to advancing regional climate efforts.

2025 MMC Climate Commitment

2015 MMC Climate Commitment

Event Press Release

Event Agenda

Event Presentation Slides

Mayors and managers posed with Senator Ed Markey and a poster of the signed Climate Commitment at the Metro Mayors Climate Summit on May 12, 2025. Pictured: Back row: Brookline Town Manager Charles Carey; Arlington Town Manager Jim Feeney; Mayor of Revere Patrick Keefe; Mayor of Newton Ruthanne Fuller; Mayor of Malden Gary Christenson; Senator Ed Markey; Watertown Town Manager George Proakis Front Row: MAPC Deputy Executive Director Lizzi Weyant; MAPC Executive Director Marc Draisen; Mayor of Melrose Jennifer Grigoraitis; Mayor of Boston Michelle Wu; Mayor of Medford Breanna Lungo-Koehn; Mayor of Somerville Katjana Ballantyne; Chelsea City Manager Fidel Maltez; Cambridge City Manager Yi-An Huang

Back row, left to right: Brookline Town Manager Chas Carey, Arlington Town Manager Jim Feeney, Revere Mayor Patrick Keefe, Newton Mayor Ruthann Fuller, Malden Mayor Gary Christenson, U.S. Senator Edward Markey, and Watertown Town Manager George Proakis.

Front row, left to right: MAPC Deputy Executive Director Lizzi Weyant, MAPC Executive Director Marc Draisen, Melrose Mayor Jennifer Grigoraitis, Boston Mayor Michelle Wu, Medford Mayor Breanna Lungo-Koehn, Somerville Mayor Katjana Ballantyne, Chelsea City Manager Fidel Maltez, and Cambridge City Manager Yi-An Huang.

Ten Years of Climate Wins

A graphic of white and yellow text over a blue background providing facts of the past ten years. Text reads: 10 years. 17 commitments. 1.6 million residents. Key achievements: all communities have - adopted the stretch code or higher, achieved green communities designation, passed complete street policies. 16 communities have a climate action plan.14 communities participate in green municipal aggregation programs. 14 communities have completed or are in the process of MVP 2.0 designation. 12 communities have community first partnership programs. 12 communities offer blue bikes. 6 communities have urban forestry plans. 5 communities are SolSmart designated. 5 communities offer heat pump coaches.

A graphic of white and yellow text over a blue background providing facts of the past ten years. Text reads: 10 years. 17 commitments. 1.6 million residents. Key achievements: all communities have: adopted the stretch code or higher, achieved green communities designation, and passed complete street policies. Additional text says: 16 communities have a climate action plan. 14 communities participate in green municipal aggregation programs.  14 communities have completed or are in the process of MVP 2.0 designation. 12 communities have community first partnership programs. 12 communities offer blue bikes. 6 communities have urban forestry plans. 5 communities are SolSmart designated. 5 communities offer heat pump coaches.

MMC Cities and Towns

Arlington
Boston
Braintree
Brookline
Cambridge
Chelsea
Everett
Lynn
Malden
Melrose
Medford
Newton
Quincy
Revere
Somerville
Watertown
Winthrop

Climate Summit Photo Gallary

Click on each photo to see a full size of it. Unless otherwise noted, photos are to the credit of MAPC.
View the event agenda for more context of the photos.

MAPC Executive Director Marc Draisen speaking at the Climate Summit.
Standing left to right together, and holding the signed Climate Commitment: MAPC Deputy Executive Director Lizzi Weyant, Boston Mayor Michelle Wu, MAPC Executive Director Marc Draisen, and U.S. Senator Edward Markey. Photo by Angela Rowlings.
Town and city mayors and managers, MAPC staff members, and others at the Climate Summit.
MMC Climate Round Table | Sitting from left to right: MAPC Executive Director Marc Draisen, Medford Mayor and Co-chair of the MMC Breanna Lungo-Koehn, Cambridge City Manager and Co-chair of the MMC Yi-An Huang, Chelsea City Manager Fidel Maltez, and Arlington Town Manager Jim Feeney.
Massachusetts Executive Office of Energy and Environmental Affairs Secretary Rebecca Tepper gives opening remarks at the Climate Summit.
Energy Transformation Panel | Sitting from left to right: MAPC Deputy Executive Director Lizzi Weyant, Massachusetts Department of Public Utilities Commissioner Staci Rubin, and Undersecretary of Decarbonization and and Resilience for the Massachusetts Executive Office of Energy and Environmental Affairs Katherine Antos.
Malden Mayor Gary Christenson signs the 2025 Climate Commitment. Standing next to him are other MMC members, MAPC staff members, Senator Markey, and others.
Standing together from left to right: U.S. Senator Edward Markey, MAPC Director of Clean Energy Julie Curti, and MAPC Executive Director Marc Draisen.
U.S. Senator Edward Markey is standing behind a wooden podium speaking. To the right of him is a large projection screen with a photo of him, his name, and information on it.
U.S. Senator Edward Markey speaking at the Climate Summit.
Boston Mayor Michelle Wu speaking at the Climate Summit.
Boston Mayor Michelle Wu signing the 2025 Climate Commitment. MMC members, MAPC staff, Senator Markey, and others stand with her.
Chelsea City Manager Fidel Maltez signs the 2025 Climate Commitment. Standing with him are other MMC members, Senator Markey, MAPC staff members, and others.
Somerville Mayor Katjana Ballantyne signs the 2025 Climate Commitment. Standing with her are other MMC members, MAPC staff members, Senator Markey, and others.
Senator Markey leans signs the 2025 Climate Commitment. Around him are MMC members, Undersecretary Antos, MAPC Executive Director Marc Draisen, and others.
Standing from left to right: MAPC Deputy Executive Director Lizzi Weyant, Boston Mayor Michelle Wu, and MAPC Executive Director Marc Draisen.
Standing from left to right holding the signed 2025 Climate Commitment: MAPC Government Affairs Director Leah Robins, MAPC Principal Planner Sasha Shyduroff, and MAPC Director of Clean Energy Julie Curti.
Signed 2025 Climate Commitment.

Event Media Coverage