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  "path": "/articles/tree-lines-are-migrating-some-up-some-down",
  "publishedAt": "2026-05-12T13:08:47.000Z",
  "site": "https://eos.org",
  "tags": [
    "ENGAGE",
    "News",
    "climate",
    "Climate Change",
    "Health & Ecosystems",
    "land use",
    "mapping",
    "mountains",
    "trees",
    "wildfires"
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  "textContent": "A tree line is clearly visible in the Swiss National Park, in Graubünden, Switzerland. Credit: Sabine Rumpf, University of Basel",
  "title": "Tree Lines Are Migrating. Some Up, Some Down."
}