; (ii) methane; (iii) nitrous oxide; (iv) hydrofluorocarbons; (v) perfluorocarbons; (vi) sulfur hexafluoride; or (vii) any other anthropogenically emitted gas that is determined by the Administrator of the Environmental Protection Agency, by regulation, to contribute to global warming to a non-negligible degree. 4. Prohibiting hydraulic fracturing (a) Prohibition Hydraulic fracturing is prohibited on all onshore and offshore land within the jurisdiction of the United States. (b) Definition In this section, the term hydraulic fracturing means an operation conducted in an individual wellbore designed to increase the flow of hydrocarbons from a rock formation to the wellbore through modifying the permeability of reservoir rock by fracturing it, except that such term does not include enhanced secondary recovery, including water flooding, tertiary recovery, and other types of well stimulation operations. (c) Effective date This section shall take effect on January 1, 2027. 5. Ban on crude oil and natural gas exports (a) In general Section 101 of title I of division O of the Consolidated Appropriations Act, 2016 ( 42 U.S.C. 6212a ) is amended to read as follows: 101. Prohibition on exports of crude oil and natural gas Except as provided in this section, notwithstanding any other provision of this Act, exports of domestically produced crude oil and natural gas, including liquefied natural gas and natural gas liquids, are prohibited. The Secretary of Commerce may, with the approval of the President, approve the export of crude oil for— (1) exchanges in similar quantity for convenience or increased efficiency of transportation with persons or the government of a foreign state; (2) temporary exports for convenience or increased efficiency of transportation across parts of an adjacent foreign state which exports reenter the United States