With digital development, tackling accessibility issues should be viewed as bug-fixing rather than a secondary feature request. This presentation, delivered by Mike Gifford, Senior Strategist at CivicActions, highlights Drupal's approach to addressing digital accessibility and sustainability. Drawing from Drupal's extensive experience, this guide sheds light on crucial elements that have propelled Drupal to prioritize accessibility, such as strong leadership commitment. The presentation highlights how open source promotes leveraging existing best practices and resources, thereby saving time and effort in implementing accessibility improvements. Mike Gifford encourages developers to embark on their accessibility journey, regardless of their project's current state and emphasizes the need for continual progress. By learning from Drupal's journey, developers can contribute to a more inclusive and accessible digital landscape, benefiting both current and future generations.