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The Nation - News from May 21, 1985

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Air pollution is threatening national parks and reducing their beauty as haze blocks scenic vistas, a House panel was told. “The possibly irreversible nature of acid-caused damage to water and forest resources requires action now,” said Mohamed El-Ashry of the World Resources Institute. He said several national parks in California--including Yosemite, Sequoia and Kings Canyon, and Devil’s Postpile National Monument --are threatened by chemicals that have killed fish and damaged trees.

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