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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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