The APTA Sustainability Commitment recognizes members who commit to becoming more sustainable in their operations and practices. Through a series of core sustainability principles, the Commitment provides both agency and business members with a common framework that helps define, initiate, and advance sustainability in the public transportation industry. There are no prerequisites for members to sign the commitment. APTA members can sign onto the APTA Sustainability Commitment at any time and have the flexibility to meet the core principles on their own timing and resource availability. ​ To become a signatory, complete and submit the Commitment Form that applies to your organization. Commit to becoming more sustainable in your operations and practices. Make sustainability a part of your organization’s strategic objectives. Identify a sustainability champion within the organization coupled with the proper human and/or financial resources and mandates​. Establish an employee outreach program that engages staff on how they can help realize the organization’s sustainability goals. Undertake a sustainability inventory of your organization