In a country like the us , laws once framed are supposed to be implemented. An excellent example is the Endangered Species Act ( esa ). Adopted in 1973, the law was framed with the sole intention of saving species on the brink of extinction
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/wooing-back-salmon
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/down-earth
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fish
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/dams
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/riverine-ecology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/endangered-species
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/migratory-species
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/legislation
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/environment-management