Global sea level has been rising at a rate of 3 mm/yr as a result of climate change, and this rate will continue to increase sea level over the next century. Scientists use observations from the ground, air, and space, along with theoretical models and scenarios of future emissions, to monitor and study past, present, and future sea-level rise. This information is a fundamental basis for mitigation, adaptation, and risk management planning in all parts of the world and across many elements of society and ecosystems. This two-part introductory webinar series will focus on NASA products and tools available to assess historical sea-level rise, access and understand projections of sea level, and investigate impacts. Participants will be exposed to the causes behind regional and global sea-level changes and explore climate and analysis tools to access, visualize, and perform statistical analysis using NASA data.