What Happened To The American Chestnut Tree?
b'In the early 20th century, a blight fungus wiped out most of the 4 billion American chestnut trees on the eastern seaboard. The loss was ecologically devastating. Pod reporter Emily Kwong tells us how scientists are trying to resurrect the American chestnut tree \\u2014 and recent controversy over a plan to plant genetically modified chestnuts in the wild.
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