A bill to amend the Fish and Wildlife Coordination Act to provide for more effective protection of fish and wildlife resources from the effects of projects licensed by Federal agencies, and for other purposes.

States that after July 1, 1973, no Federal permit or license shall be issued by any department or agency of the United States for the construction of any facility that impounds, diverts, controls, or otherwise modifies the waters of any stream or other body of water until adequate biological and ecological studies on the effects of the proposed construction on fish and wildlife resources are conducted by the Secretary of the Interior in cooperation with the State wherein the project will be located, unless he determines that such studies are not needed.

Authorizes to be appropriated $500,00 to carry out an accelerated and comprehensive nationwide study of the effects of thermal pollution of water from power plants and other facilities on fish and wildlife resources of the Nation. (Amends 16 U.S.C. 662(a), 666(c))