; (6) contain terms and conditions relating to protection of fish and wildlife, fish and wildlife habitat, subsistence resources, and the environment as required under section 3(a)(2); and (7) provide that each lessee, and each agent and contractor of a lessee, shall use their best efforts to provide a fair share of employment and contracting for Alaska Natives and Alaska Native Corporations from throughout the State of Alaska, as determined by the level of obligation previously agreed to in the Federal Agreement and Grant Right-of-Way for the Trans-Alaska Pipeline issued on January 23, 1974, in accordance with section 28 of the Mineral Leasing Act ( 30 U.S.C. 185 ) and the Trans-Alaska Pipeline Authorization Act ( 43 U.S.C. 1651 et seq. ). (b) Project labor agreements The Secretary, as a term and condition of each lease under this Act, and in recognizing the proprietary interest of the Federal Government in labor stability and in the ability of construction labor and management to meet the particular needs and conditions of projects to be developed under the leases issued pursuant to this Act (including the special concerns of the parties to those leases), shall require that each lessee, and each agent and contractor of a lessee, under this Act negotiate to obtain a project labor agreement for the employment of laborers and mechanics on production, maintenance, and construction under the lease. 7. Coastal Plain environmental protection (a) No significant adverse effect standard To govern authorized activities on the coastal plain In accordance with section 3, the Secretary shall administer this Act through regulations, lease terms, conditions, restrictions, prohibitions, stipulations, or other provisions that— (1) ensure, to the maximum extent practicable, that oil and gas exploration, development, and production activities on the Coastal Plain will result in no significant adverse effect on fish and wildlife, fish and wildlife habitat, subsistence resources, and the environment