If the adverse environmental effects of the proposed action are adequately identified and evaluated, the agency is not constrained by NEPA from deciding that other values outweigh the environmental costs.

• 如果恰当地辨别并估价出来拟议决定的不良环境结果，《国家环境政策法》并不能阻止机构做出决定，认为其他那些价值比环境代价还重要。