Conservation is bringing species back. Governments must help those gains last
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An old elephant can remember where to find water when the usual pools have dried. Her death leaves the herd with fewer ways to survive a drought. As elephants travel, they also carry seeds in their guts, depositing them far from the trees where they fed. In a forest emptied of large birds and mammals, trees may stand for decades after the animals that carried their seeds have disappeared. The canopy still looks intact. Delegates gathering in Yerevan, Armenia, for the U.N.’s COP17 biodiver
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