; and (ii) forest carbon measurement and monitoring technologies, including satellite and remote sensing technologies. (B) Collaboration The Secretary shall carry out the activities under subparagraph (A) in collaboration with the Administrator of the National Aeronautics and Space Administration. (3) Integrated assessment model and grasslands and forest impacts modeling (A) In general The Secretary shall carry out activities relating to technical, economic, and social modeling of impacts on land use from avoided conversion of grasslands and forests, reforestation, conservation, afforestation, and forest management changes. (B) Collaboration The Secretary shall carry out the activities under subparagraph (A) in collaboration with the Director of the National Science Foundation. (4) Forest carbon management demonstration (A) In general The Secretary shall carry out activities, at not fewer than 5 geographically diverse sites, relating to conducting large-scale field experiments of best practices for forest management and restoration that optimize carbon dioxide removal while maintaining and enhancing ecosystems. (B) Collaboration The Secretary shall carry out the activities under subparagraph (A) in collaboration with the Assistant Administrator for Research and Development of the Environmental Protection Agency. (5) Climate resilience The Secretary shall carry out research and field experiments on enhancements to forest management practices for carbon dioxide removal to reflect emerging needs due to the impact of climate change on forests over time. (6) Preservation of harvested wood (A) In general The Secretary shall carry out activities relating to the design and demonstration of landfills for woody biomass disposal and carbon storage. (B) Collaboration The 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