The UNU Hub on Remote-Sensing and Sustainable Innovations for Resilient Urban Systems (R-SIRUS), located at The City College of New York, is committed to enhancing scientific understanding, developing innovative solutions, and preparing a skilled workforce to tackle global challenges related to water, the environment, climate, energy, health, and sustainability. This Hub conducts research and develops educational programs to help students, faculty, and the public understand 1) drivers of climate change and biodiversity loss, 2) societal challenges from environmental changes like extreme weather, food security issues, diseases, and environmental justice, and 3) political influences on global environmental preservation and ecological services.