CHICAGO — As a core value of librarianship, sustainability is not an end point but a mindset, a lens through which operational and outreach decisions can be made. And it extends beyond an awareness of the roles that libraries can play in educating and advocating for a sustainable future. As “Libraries and Sustainability: Programs and Practices for Community Impact,” published by ALA Editions, demonstrates, sustainability can also encompass engaging with communities in discussions about resilience, regeneration, and social justice.