{
  "subject": "trees-may-store-less-planet-heating-carbon-than-hoped-study-suggests",
  "claims": [
    {
      "id": "title",
      "proposition": {
        "predicate": "title",
        "object": "Trees may store less planet-heating carbon than hoped, study suggests"
      },
      "time": {
        "asserted": "2026-06-13T04:23:35.405Z"
      },
      "force": "alleges",
      "provenance": {
        "witness": "wire-ingest",
        "citation": "https://www.theguardian.com/environment/2026/jun/13/trees-store-less-carbon-than-thought-study"
      },
      "status": "supported"
    },
    {
      "id": "url",
      "proposition": {
        "predicate": "url",
        "object": "https://www.theguardian.com/environment/2026/jun/13/trees-store-less-carbon-than-thought-study"
      },
      "time": {
        "asserted": "2026-06-13T04:23:35.405Z"
      },
      "force": "alleges",
      "provenance": {
        "witness": "wire-ingest",
        "citation": "https://www.theguardian.com/environment/2026/jun/13/trees-store-less-carbon-than-thought-study"
      },
      "status": "supported"
    },
    {
      "id": "summary",
      "proposition": {
        "predicate": "summary",
        "object": "<p>Photosynthesis does not always result in wood growth, a key factor in carbon dioxide sequestration</p><p>Trees may not be able to store as much planet-heating carbon as hoped, a study suggests, with researchers finding photosynthesis does not always lead to wood growth.</p><p>Scientists studied 137 sites across the US and found trees stopped growing months before the point in the year at which photosynthesis stopped.</p> <a href=\"https://www.theguardian.com/environment/2026/jun/13/trees-store-less-carbon-than-thought-study\">Continue reading...</a>"
      },
      "time": {
        "asserted": "2026-06-13T04:23:35.405Z"
      },
      "force": "alleges",
      "provenance": {
        "witness": "wire-ingest",
        "citation": "https://www.theguardian.com/environment/2026/jun/13/trees-store-less-carbon-than-thought-study"
      },
      "status": "supported"
    },
    {
      "id": "published",
      "proposition": {
        "predicate": "published",
        "object": "Sat, 13 Jun 2026 04:00:04 GMT"
      },
      "time": {
        "asserted": "2026-06-13T04:23:35.405Z"
      },
      "force": "alleges",
      "provenance": {
        "witness": "wire-ingest",
        "citation": "https://www.theguardian.com/environment/2026/jun/13/trees-store-less-carbon-than-thought-study"
      },
      "status": "supported"
    }
  ]
}