{"id":240570,"date":"2026-07-10T00:15:10","date_gmt":"2026-07-10T05:15:10","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/07\/ancient-rocks-reveal-earths-past-warm-periods-were-cooler-than-thought"},"modified":"2026-07-10T00:15:10","modified_gmt":"2026-07-10T05:15:10","slug":"ancient-rocks-reveal-earths-past-warm-periods-were-cooler-than-thought","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/07\/ancient-rocks-reveal-earths-past-warm-periods-were-cooler-than-thought","title":{"rendered":"Ancient rocks reveal Earth\u2019s past warm periods were cooler than thought"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/ancient-rocks-reveal-earths-past-warm-periods-were-cooler-than-thought.jpg\"><\/a><\/p>\n<p>Earth\u2019s temperature has been much cooler in the past than previously thought, meaning it could be moving toward the warmest it\u2019s ever been.<\/p>\n<p>Research at the University of Leeds used a new method to understand how warm Earth\u2019s temperature has been over the Phanerozoic period\u2014from around 540 million years ago to the present day.<\/p>\n<p>Studies previously estimated that the planet\u2019s temperature could have reached up to 20 degrees Celsius above preindustrial levels during some geological periods, and maybe even up to 30 degrees above preindustrial in earlier times when the first animals evolved.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Earth\u2019s temperature has been much cooler in the past than previously thought, meaning it could be moving toward the warmest it\u2019s ever been. Research at the University of Leeds used a new method to understand how warm Earth\u2019s temperature has been over the Phanerozoic period\u2014from around 540 million years ago to the present day. Studies [\u2026]<\/p>\n","protected":false},"author":662,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[],"class_list":["post-240570","post","type-post","status-publish","format-standard","hentry","category-futurism"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/240570","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/662"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=240570"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/240570\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=240570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=240570"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=240570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}