This handbook is a guide to the federal Endangered Species Act, the primary U.S. law aimed at protecting species of animals and plants from human threats to the

"As Secretary of the Interior, implementing the Endangered Species Act was one of my most important, and challenging, responsibilities. All who deal with this c

The Endangered Species Act (ESA) is a far-reaching law that has sparked intense controversies over the use of public lands, the rights of property owners, and e