We’re continuing our series on the laws and policies that protect America’s public lands, and the forces working to unravel them. These aren’t just legal footnotes. They’re the tools that hold the line around old-growth forests, wild rivers, migration corridors, and species on the edge of extinction.
The Endangered Species Act is one of the strongest tools ever built for that fight.
Passed in 1973 with overwhelming bipartisan support, the ESA made it the policy of the United States to prevent extinction. Not just to slow it down, but to stop it. The law gives the federal government the authority to protect both species and the places they need to survive. It applies to eagles and wolves, yes, but also to desert pupfish, Appalachian darters, and red-legged frogs. It has shaped everything from dam construction to logging plans to how highways get routed through habitat.
Nearly every major species conservation story in the U.S. runs through this law. And the numbers are clear – 99 percent o…





