The League of Arizona Cities and Towns is an organization dedicated to representing the interests of municipal governments across the state of Arizona. It provides a platform for cities and towns to collaborate, share resources, and advocate for policies that benefit local communities. The League plays a crucial role in legislative advocacy, ensuring that the voices of Arizona's municipalities are heard at the state and federal levels.

In terms of sustainability, the League of Arizona Cities and Towns encourages its member cities and towns to adopt sustainable practices and policies. However, specific information on the League's own sustainability initiatives or certifications is limited. The organization supports efforts to improve environmental stewardship, energy efficiency, and sustainable urban development among its members.