; and (B) (i) is created through the action of natural physical, geological, biological, and chemical processes over time; (ii) is created by human design, engineering, and construction to emulate or act in concert with natural processes; or (iii) involves the use of plants, soils, and other natural features, including through the creation, restoration, or preservation of vegetated areas using materials appropriate to the area. (6) Nonprofit organization The term nonprofit organization means an organization that is described in section 501(c) of the Internal Revenue Code of 1986 and exempt from tax under section 501(a) of such Code. (7) Program The term Program means the Coastal and Estuary Resilience Grant Program as established by section 302. (8) Restoration The term restoration means renewing, enhancing, or replacing degraded, damaged, vulnerable, or destroyed wetlands to improve the ecosystem function and resilience through active human intervention and action, such as— (A) improving hydrological conditions (such as by removing tidal barriers, improving connectivity, or changing water levels); (B) altering sediment supply (such as through the beneficial use of dredge material, thin-layer spraying, or reconnecting river sediment); (C) changing salinity characteristics; (D) improving water quality (such as by reducing excess nutrients, sedimentation, or contaminants); (E) planting of native plants, removal of invasive species, and other improved management practices; (F) controlling erosion of wetland edges