The Endangered Species Act

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The United States Endangered Species Act

The Endangered Species Act of 1973 (“ESA”) (16 U.S.C. § 1531 et seq.) is one of the several major U.S. environmental acts passed in the 1970s. The ESA serves as the enacting legislation to carry out the provisions outlined in The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES).

Designed to protect critically imperiled species from extinction as a "consequence of economic growth and development untempered by adequate concern and conservation", the ESA was signed into law by President Richard Nixon on December 28, 1973. 

The U.S. Supreme Court found that "the plain intent of Congress in enacting" the ESA "was to halt and reverse the trend toward species extinction, whatever the cost." The Act is administered by two federal agencies, the United States Fish and Wildlife Service (FWS) and the Commerce Department's National Marine Fisheries Service (NMFS).

Click here to see the current Endangered Species List in the United States.