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environments. Indeed, current rates of human-induced extinctions are estimated to be about 1,000 times greater than past natural (background) rates of extinction, leading some scientists to call modern times the
endangered coral reefs
Map of endangered coral reefs worldwide.
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Confiscated black-market elephant tusks await disposal in 2013.
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All these factors have increased the numbers of threatened species. Almost one in four orangutan
A mother orangutan and her baby were rescued by charity workers, narrowly escaping harm from hunters employed by palm-oil companies that were tasked with killing such animals.