US SB3910

Establishes a federal program through NOAA to research and develop marine carbon dioxide removal technologies, including ocean alkalinity enhancement, electrochemical approaches, macroalgae cultivation, and nutrient fertilization

Creates an interagency working group with representatives from 20+ federal agencies to coordinate marine carbon dioxide removal research, establish a code of conduct for field research, and develop a federal research plan

Authorizes NOAA to designate or award grants to establish research areas in oceanic, coastal, and estuarine zones for marine carbon dioxide removal field trials and demonstration projects, with 5-year initial terms and possible 5-year extensions

Requires consultation and engagement with Indian Tribes, Native Hawaiian organizations, and affected coastal communities throughout research activities, with protections for tribal data sovereignty and traditional ecological knowledge

Directs the National Science Foundation, NASA, and the National Institute of Standards and Technology to support marine carbon dioxide removal through research grants, space-based monitoring capabilities, and development of standardized measurements and validation protocols