Green Bonds Program

Learn about our environmental, social, and governance program, and how we bring those values to life with green bonds, sustainable projects, and more.

About Our Program

Sustainability makes tomorrow better than today

Sound Transit supports people, planet and prosperity by providing affordable, environmentally-friendly public transit that connect residents to where they live, work and play.

Sustainability is part of our daily business to enhance regional quality of life by:

  • Reducing car trips by carrying more riders.
  • Supporting smart regional growth.
  • Fostering transit-oriented development and improved transit access.
  • Designing and building greener projects.
  • Operating fleets and facilities more efficiently.

Continually improving

Sound Transit maintains an internationally certified (ISO 14001) Environmental and Sustainability Management System (ESMS) to be accountable for controlling environmental impacts, maintaining environmental compliance and demonstrating performance improvement. You can review our environmental policy.