Leonid Burmistrov, a researcher at the Vavilov Institute of Plant Industry, stands amid orange "sorbus" or "mountain ash." This fruit and others could be destroyed if the Russian government sells the land in the village of Pavlovsk. David Greene/NPR hide caption

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David Schulte, a marine biologist with the U.S. Army Corps of Engineers, is trying to engineer a recovery for Chesapeake Bay oysters. He has developed a small reef area to provide a habitat for oysters in one of the bay's tributaries. Elizabeth Shogren/NPR hide caption

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Zurif Kar, Hafiz Ullah, Abdul Majid and Sherun Kardarbush take shelter on top of the levee that has -- so far -- saved the city of Shahdadkot from the raging floodwaters. Susannah George/NPR hide caption

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