The bill establishes programs and funding for researching marine carbon dioxide removal to combat climate change. It focuses on measuring efficacy, environmental impacts, ecosystem responses, and various effects, and emphasizes engaging coastal communities and consulting with indigenous organizations. The bill allows the Secretary to designate or award grants for research areas related to marine carbon dioxide removal, and establishes an interagency working group for marine carbon dioxide removal, coordinating federal funding and ensuring public access to research results. It also mandates the development of standards and models for marine carbon dioxide removal technologies and international cooperation.