Nothing in this chapter shall be interpreted as changing in any manner or degree the provisions of and requirements of . For the purposes of achieving the objectives set forth in , the Congress declares that the President shall direct (1) the Secretary of the Interior to act immediately within the Department’s statutory authority to attain the goals contained in and (2) the Executive Office of the President to act immediately to promote the goals contained in among the various departments and agencies.section 21a of this titlesection 1602 of this titlesection 21a of this titlesection 21a of this title