The Maine Municipal Association (MMA) is a non-profit organization that provides a variety of services to municipalities in the state of Maine. These services include advocacy, education, and professional development for municipal officials and employees. The MMA aims to strengthen local government through these initiatives, ensuring that municipalities can effectively serve their communities.

In terms of sustainability, there is limited publicly available information on the specific environmental initiatives or sustainability practices of the Maine Municipal Association. However, as an organization that supports local governments, the MMA may play a role in promoting sustainable practices and policies at the municipal level. This could include advocating for environmentally friendly legislation, providing resources for sustainable community planning, and offering training on sustainability topics for municipal leaders.