Although the Act works by protecting individual species or subspecies, at its best it provides landscape-level protection for complements of species and their ecosystems. More than 1,600 animals and ...

President Trump has already begun to introduce changes that weaken the Endangered Species Act, a cornerstone of U.S. conservation law.

Enormously popular when it cleared Congress 50 years ago, the Endangered Species Act has become one of the most controversial U.S. environmental protection laws. Environment team reporter John Flesher ...