owned solid waste landfill or disposal site, hazardous waste landfill of disposal site, sites included on the National Priorities List developed under the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, and sites for the disposal of coal combustion residuals from coal-fired power plants, provided that such sites are identified in a plan developed and approved under subsection (d). (5) The term disadvantaged communities means areas of the coastal state identified in a plan approved under subsection (d) which disproportionately suffer from a combination of economic, health, and environmental burdens including poverty, high unemployment, air and water pollution, presence of hazardous wastes as well as high incidence of asthma and heart disease. (6) The term living shoreline means a protected, stabilized coastal edge made of natural materials such as plants designed to provide wildlife habitat, as well as natural resilience to shorelines. (7) The term municipal green infrastructure has the meaning provided in 33 U.S. Code § 1362 (27). (8) The term safe conditions refers to standards for restoration of sites from which infrastructure or structures are relocated established by the Secretary pursuant to subsection (f)(1)(F) are protective of human health and the environment. (i) Authorization of appropriations (1) There is authorized to be appropriated into the Fund for use by the Secretary $100,000,000 for each of fiscal years 2021 through 2025, which shall remain available until expended without fiscal year limitation. (2) There is authorized to be appropriated into the Fund for use by the Secretary to respond to a major disaster declared under the Robert T. Stafford Disaster Relief and Emergency Assistance Act ( 42 U.S.C. 5121 et seq.) such sums as may be necessary. Funds appropriated pursuant to this paragraph may only be used to make grants to the state or states in which the major disaster occurred and shall remain available until expended without fiscal year limitation. . 605.