; (ii) where applicable, meet the goals of the applicant; and (iii) be within the authority of the Federal agency to control. (D) No use of social cost metrics In conducting a review described in subparagraph (A), the Commission shall not consider or apply any metric that purports to estimate the monetized damages or benefits associated with incremental increases or decreases in greenhouse gas emissions. . 3004. Promoting interagency coordination for review of natural gas projects (a) Definitions In this section: (1) Commission The term Commission means the Federal Energy Regulatory Commission. (2) Federal authorization The term Federal authorization has the meaning given that term in section 15(a) of the Natural Gas Act ( 15 U.S.C. 717n(a) ). (3) Environmental review The term environmental review means the process of preparing, for a proposed agency action in accordance with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4332 )— (A) an environmental impact statement; (B) an environmental assessment; (C) a categorical exclusion; (D) a finding of no significant impact; and (E) a record of decision. (4) Project-related environmental review The term project-related environmental review means any environmental review required to be conducted with respect to the issuance of an authorization under section 3 of the Natural Gas Act or a certificate of public convenience and necessity under section 7 of such Act. (b) Commission responsibilities In acting as the lead agency under section 15(b)(1) of the Natural Gas Act for the purposes of complying with the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ) with respect to an authorization under section 3 of the Natural Gas Act or a certificate of public convenience and necessity under section 7 of such Act, the Commission shall, in accordance with this section and other applicable Federal law— (1) be the only lead agency