Sarah Tribelhorn is Sciences and Sustainability Librarian at San Diego State University. She has been instrumental in leading sustainability initiatives in the University Library, including the formation of a library Sustainability Committee and the library’s participation in the Sustainable Libraries Initiative Certification Program (SLCP) for academic libraries to benchmark sustainability within the library. Other initiatives have included mapping the work being carried out in the University Library to each of the 17 United Nations (UN) Sustainable Development Goals (SDGs), and increased campus and community engagement in sustainability projects and the launch of a citizen science program.