20 St. 1 Min, 28 Dez 1973 Jahr - Galvin says that the greatest success of the ESA—signed into law by President Richard Nixon on December 28, 1973—is that "no species has gone extinct after being listed." It's a fraction of the hundreds of species whose populations have increased because of the Endangered Species Act (ESA).
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Endangered Species ActZugefügt zum Band der Zeit:
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20 St. 1 Min, 28 Dez 1973 Jahr
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~ 51 years ago