2024: National Wildlife Federation Campus Race to Zero Waste: SU ranked #1 in the medium sized campus division of the diversion category and #2 nationally in the diversion from landfill category.
2024: Since 2018, Seattle University has earned the "Tree Campus Higher Education" designation from the Arbor Day Foundation program.
2020: SU recognized as top performer by AASHE's Sustainable Campus Index. SU scored #3 in overall performance among Master's institutions, #4 for curriculum, and #8 for Public Engagement.