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"path": "/article/whatever-happened-to-the-ozone-hole-acid-rain-and-ddt/",
"publishedAt": "2026-04-22T10:30:00.000Z",
"site": "https://www.scientificamerican.com",
"textContent": "The environmental crises of the past often seem to disappear—have problems like acid rain and smog been solved?",
"title": "Whatever happened to the ozone hole, acid rain and DDT?"
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