Details the research and disclosure of the lethal effects of selenium, and provides a behind-the-scenes look at the author's investigation into the harm this mineral has caused in the Kesterson National Wildlife Refuge
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Selenium, essential in microscopic doses, can be deadly in larger amounts. Death in the Marsh explains how federal irrigation projects have altered selenium's circulation in the environment, allowing it to accumulate in marshes, killing ecosystems and wildlife, and causing deformities in some animals.
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