{"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:story:0f77f9d6-73ec-4c60-b794-c981f3b916e6", "type": "composite", "version": "1", "versioncreated": "2026-08-02T06:07:47.034134Z", "firstcreated": "2026-08-02T06:07:47.034134Z", "pubstatus": "usable", "language": "en", "headline": "Ancient Warming Event Turned Forests Into Fire-Prone Fern Savannas", "description_text": "Paleoclimate evidence from the end of the Triassic period shows that rising temperatures dried out vegetation and fueled wildfires, allowing hardy ferns to spread across burned landscapes.", "associations": {"item-0": {"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:item:cb2d185f-e94b-4a9b-8aa3-60974f63a9bf", "type": "text", "profile": "standard", "version": "1", "versioncreated": "2026-08-21T20:13:37.031108Z", "firstcreated": "2026-08-02T06:07:47.034134Z", "pubstatus": "usable", "urgency": 5, "language": "en", "headline": "Ancient Warming Event Turned Forests Into Fire-Prone Fern Savannas", "byline": "Logan Weston", "located": "United States", "copyrightholder": "Haydamax OÜ", "copyrightnotice": "Wireva / Science Official", "usageterms": "Subscribers may republish this item in full, including translation and trimming, with the credit “Wireva / Science Official”. Set rel=canonical to https://scienceofficial.org/science/ancient-warming-event-turned-forests-into-fire-prone-fern-savannas/ when publishing on the web.", "description_text": "Paleoclimate evidence from the end of the Triassic period shows that rising temperatures dried out vegetation and fueled wildfires, allowing hardy ferns to spread across burned landscapes.", "altids": {"mosaic": "cb2d185f-e94b-4a9b-8aa3-60974f63a9bf", "story": "0f77f9d6-73ec-4c60-b794-c981f3b916e6", "slug": "ancient-warming-event-turned-forests-into-fire-prone-fern-savannas"}, "subject": [{"name": "Science", "rel": "direct", "literal": "science", "code": "medtop:13000000", "scheme": "http://cv.iptc.org/newscodes/mediatopic/", "uri": "http://cv.iptc.org/newscodes/mediatopic/13000000"}], "place": [{"name": "United States", "literal": "us", "code": "US", "scheme": "http://cv.iptc.org/newscodes/countrycodes/"}], "person": [], "organisation": [], "genre": [{"name": "Standard story", "literal": "standard"}], "service": [{"name": "Wireva", "literal": "wireva"}], "associations": {"featuremedia": {"uri": "urn:newsml:wireva.mib.news:media:b82d2826-e042-4e2a-a038-7bc65c771bf4", "type": "picture", "version": "1", "pubstatus": "usable", "headline": "Il y a 200 millions d’années, un réchauffement climatique enflammait des savanes de fougères", "description_text": "Ancient Warming Event Turned Forests Into Fire-Prone Fern Savannas", "copyrightholder": "en.wikipedia.org", "copyrightnotice": "Land", "usageterms": "File-level licence not yet resolved from Commons; fetch the original for exact terms.", "altids": {"wireva": "b82d2826-e042-4e2a-a038-7bc65c771bf4"}, "extra": {"wireva:delivery_mode": "preview_and_link", "wireva:rights": {"licence": "Wikimedia — licence per file", "licence_url": "https://commons.wikimedia.org/wiki/Commons:Reusing_content_outside_Wikimedia", "licence_raw": "Wikipedia page image", "licence_verified_at": "2026-08-21T20:13:37.041346Z", "attribution_required": true, "attribution_text": "Land", "redistribution_allowed": false, "commercial_use_allowed": false, "modifications_allowed": false, "share_alike_required": false}, "wireva:provenance": {"creator": "", "source_name": "en.wikipedia.org", "source_url": "https://en.wikipedia.org/wiki/Land", "source_page_url": "https://en.wikipedia.org/wiki/Land", "our_page_url": "https://scienceofficial.org/science/ancient-warming-event-turned-forests-into-fire-prone-fern-savannas/"}, "wireva:role": "lead"}, "renditions": {"preview": {"href": "https://nbg1.your-objectstorage.com/ckln/image-assets/fe5f6e87dd8bd5819cf458c19747faf81c8b56f2d8d6ce7a6608e8f968635f9e.jpg", "mimetype": "image/jpeg", "width": 1400, "height": 875}, "source": {"href": "https://en.wikipedia.org/wiki/Land", "mimetype": "image/jpeg"}}}}, "extra": {"wireva:story": {"uri": "urn:newsml:wireva.mib.news:story:0f77f9d6-73ec-4c60-b794-c981f3b916e6", "slug": "ancient-warming-event-turned-forests-into-fire-prone-fern-savannas-20260802", "status": "closed", "languages": ["en"], "item_count": 1, "is_breaking": false}, "wireva:rights": {"class": "agency_original", "redistribution_allowed": true, "commercial_use_allowed": true, "modifications_allowed": true, "share_alike_required": false, "attribution_required": true, "attribution_text": "Wireva / Science Official", "canonical_required": true, "canonical_url": "https://scienceofficial.org/science/ancient-warming-event-turned-forests-into-fire-prone-fern-savannas/", "linkback_required": true, "licence": "Wireva subscriber licence", "licence_url": "", "licensor": "Haydamax OÜ", "valid_until": null, "excerpt_max_chars": 0, "decided_by_rule": "agency_original_unassessed_allow", "needs_review": true}, "wireva:provenance": {"production_method": "automated", "ai_stages": {}, "model": "", "human_reviewed": false, "reviewed_by": "", "reviewed_at": null, "editorial_control": true, "editorial_responsibility": "Haydamax OÜ (Wireva)", "factchecked": false, "verification_status": "single_source", "independent_confirmations": 0, "official_source_used": false, "used_press_release": false, "public_interest": false, "ai_disclosure_required": false, "ai_disclosure_text": "", "independence_check": {"status": "not_assessed", "score": 0.0, "checked_at": "2026-08-21T20:13:37.039203Z"}, "sources": [{"url": "https://www.lemonde.fr/sciences/article/2026/07/31/il-y-a-200-millions-d-annees-un-rechauffement-climatique-enflammait-des-savanes-de-fougeres_6737124_1650684.html", "title": "", "publisher": "lemonde.fr", "type": "rss", "role": "primary", "official": false, "retrieved_at": "2026-08-21T20:13:37.033582Z", "published_at": null}]}, "wireva:publication": {"name": "Science Official", "domain": "scienceofficial.org", "country": "US", "url": "https://scienceofficial.org/science/ancient-warming-event-turned-forests-into-fire-prone-fern-savannas/"}, "wireva:links": {"self": "https://wireva.mib.news/api/v1/items/cb2d185f-e94b-4a9b-8aa3-60974f63a9bf", "html": "https://wireva.mib.news/item/cb2d185f-e94b-4a9b-8aa3-60974f63a9bf/ancient-warming-event-turned-forests-into-fire-prone-fern-savannas/", "story": "https://wireva.mib.news/story/ancient-warming-event-turned-forests-into-fire-prone-fern-savannas-20260802/"}, "wireva:metrics": {"word_count": 494, "char_count": 3189, "reading_time_seconds": 228}}}}, "extra": {"wireva:languages": ["en"], "wireva:status": "closed", "wireva:item_count": 1}}