; (5) since the Montreal Protocol was signed in 1987, there has been an elimination of more than 95 percent of ozone-depleting substances; (6) on full implementation of the Montreal Protocol, the ozone layer should return to pre-1980 levels by 2050; and (7) the Interagency Strategy to Reduce Methane Emissions, released in March 2014, outlines a proactive agenda for reducing methane leakage and waste throughout the United States economy. 3. Definitions In this Act: (1) Administrator The term Administrator means the Administrator of the Environmental Protection Agency. (2) Appropriate congressional committees The term appropriate congressional committees means the Committee on Energy and Commerce of the House of Representatives and the Committee on Environment and Public Works of the Senate. (3) High-GWP HFC The term high-GWP HFC means newly manufactured hy­dro­fluo­ro­car­bons with a global warming potential calculated over a 100-year period of greater than 150, as described in the Fifth Assessment Report of the Intergovernmental Panel on Climate Change. (4) Relevant Federal agency The term relevant Federal agency relevant Federal agency means the Department of Agriculture, the Department of Commerce, the Department of Defense, the Department of Energy, the Department of Health and Human Services, the Department of the Interior, the Department of State, the Department of Transportation, the Environmental Protection Agency, the National Oceanic and Atmospheric Administration, the Council on Environmental Quality, the United States Agency for International Development, and any other Federal agency the President determines appropriate. (5) Short-lived climate pollutant The term short-lived climate pollutant means— (A) black carbon; (B) methane