The bill establishes programs for marine carbon dioxide removal through research and development, working to protect coastal and marine ecosystems. It emphasizes coordination of federal actions, engagement with coastal communities, and compliance with coastal waters laws. The bill sets objectives for marine carbon dioxide removal research, supports international coordination, and promotes public-private-academic partnerships for monitoring. It authorizes research in federally administered areas, including Tribal lands, and emphasizes community benefits and environmental protection. The bill creates a new Interagency Working Group for Marine Carbon Dioxide Removal, standardizes benchmark materials and data, and authorizes appropriations for these efforts from 2027 to 2031. Overall, the bill impacts marine carbon dioxide removal efforts and technology development for this purpose.