NASA Headquarters is offering a federal grant opportunity titled "ROSES 2024: A.5 Carbon Cycle Science," aimed at advancing research in carbon cycle science as part of its annual Research Opportunities in Space and Earth Sciences (ROSES) initiative. Eligible applicants must be affiliated with U.S. institutions, with specific guidelines for non-U.S. organizations, and are encouraged to submit optional Notices of Intent by October 17, 2024. This grant is significant for supporting a wide range of basic and applied research in space and Earth sciences, with awards typically lasting up to three years, and the application deadline is set for February 3, 2025. For further inquiries, interested parties can contact Laura Lorenzoni at Laura.Lorenzoni@nasa.gov or Ryan Pavlick at ryan.p.pavlick@nasa.gov.