Secretary shall carry out the activities under subparagraph (A) in collaboration with the Assistant Administrator for Research and Development of the Environmental Protection Agency. (7) Social science research and extension The Secretary shall carry out social science research and extension programs to promote uptake of forest management carbon sequestration technologies and practices. (8) Climate hubs (A) In general The Secretary shall carry out activities to increase the capacity of Department climate hubs and other research units to deliver climate and carbon dioxide removal-related science and tools to forest planners and managers. (B) Collaboration The Secretary shall carry out the activities under subparagraph (A) in collaboration with the Administrator of the Agricultural Research Service. (9) Other activities The Secretary shall carry out other carbon dioxide removal research, development, and demonstration activities, as determined by the Secretary. (b) Authorization of appropriations There are authorized to be appropriated to the Secretary to carry out this section— (1) $24,000,000 for each of fiscal years 2024 through 2026