{"id":78451,"date":"2023-07-13T01:00:47","date_gmt":"2023-07-13T01:00:47","guid":{"rendered":"https:\/\/enterpriseam.com\/climate\/2023\/07\/13\/this-small-canadian-lake-could-mark-a-new-chapter-in-earths-history\/"},"modified":"2023-07-13T01:00:47","modified_gmt":"2023-07-13T01:00:47","slug":"this-small-canadian-lake-could-mark-a-new-chapter-in-earths-history","status":"publish","type":"post","link":"https:\/\/enterpriseam.com\/climate\/2023\/07\/13\/this-small-canadian-lake-could-mark-a-new-chapter-in-earths-history\/","title":{"rendered":"This small Canadian lake could mark a new chapter in Earth\u2019s history"},"content":{"rendered":"

<\/a> A quiet Canadian lake could mark the start of the Anthropocene:<\/strong> A small lake in Canada\u2019s Ontario may be used as the marker for the start of Earth\u2019s Anthropocene epoch \u2014 a new geological chapter defined by humanity\u2019s impacts on the planet, Nature<\/a> reported earlier this week. Researchers, who have spent 14 years debating how to collect proof of when mankind began impacting the Earth, say that Crawford Lake\u2019s sediments have collected the fallout from nuclear bombs and fossil fuel burning.<\/p>\n

The \u201cgolden spike\u201d: <\/strong>If given the nod by three geological organizations, a sediment core of the lake could become the \u201cgolden spike\u201d marking the start of the Anthropocene. The sediment layers hold a record of environmental history, including remains of dirty fuel burning and traces of radioactive plutonium from nuclear bomb testing. \u201cWe have the key markers of the Anthropocene \u2014 at Crawford Lake, they line up perfectly,\u201d said Francine McCarthy, who heads the team of researchers analyzing the lake.<\/p>\n

So when does the Anthropocene start? <\/strong>Core samples taken from Crawford in 2019 and 2022 showed the plutonium traces increased in the early 1950s, but an additional sample taken this year showed that the year set for the golden spike could be 1950 which saw growing environmental changes or 1952 when levels of the radioactive chemical element rose dramatically.<\/p>\n

But the timeline remains contentious among scientists: <\/strong>Critics argue pinning a new epoch to a recent time and place ignores the fact that humanity has been affecting the planet for much longer. \u201cFor Indigenous and other displaced and dispossessed peoples who were impacted by massive forms of violence that characterize the last 600 years, everything that leads up to what makes this global shift possible starts much earlier,\u201d says anthropologist Zoe Todd. Proponents of the spike, on the other hand, say that the move is not meant to mark the start of humanity\u2019s impact on the planet, but the planet\u2019s response to this change.<\/p>\n","protected":false},"excerpt":{"rendered":"

A quiet Canadian lake could mark the start of the Anthropocene: A small lake in Canada\u2019s Ontario may be used as the marker for the start of Earth\u2019s Anthropocene epoch \u2014 a new geological chapter defined by humanity\u2019s impacts on the planet, Nature reported earlier this week. Researchers, who have spent 14 years debating how […]<\/p>\n","protected":false},"author":1,"featured_media":78452,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"newspack_ads_suppress_ads":false,"newspack_popups_has_disabled_popups":false,"newspack_sponsor_sponsorship_scope":"","newspack_sponsor_native_byline_display":"inherit","newspack_sponsor_native_category_display":"inherit","newspack_sponsor_underwriter_style":"inherit","newspack_sponsor_underwriter_placement":"inherit","ep_exclude_from_search":false,"_primary_brand":0,"newspack_featured_image_position":"","newspack_post_subtitle":"","newspack_article_summary_title":"Overview:","newspack_article_summary":"","newspack_hide_updated_date":false,"newspack_show_updated_date":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[75],"tags":[1748,1749,11,368,76,73],"brand":[],"newspack_spnsrs_tax":[],"class_list":["post-78451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-on-your-way-out","tag-anthropocene-epoch","tag-crawford-lake","tag-enterpriseclimate","tag-fossil-fuels","tag-nuclear-energy","tag-on-your-way-out","wpautop","entry"],"acf":{"mongo_id":"a935233f-b794-4c9c-9b49-df4c7f804efc","is_powered_by":true,"story_type":"1","photo_url":"https:\/\/ent.news\/2023\/7\/1470.jpg","photo_position":"above","related_issue":[78435],"teaser":"","voice_url":""},"yoast_head":"\nThis small Canadian lake could mark a new chapter in Earth\u2019s history - Climate<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/enterpriseam.com\/climate\/2023\/07\/13\/this-small-canadian-lake-could-mark-a-new-chapter-in-earths-history\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"This small Canadian lake could mark a new chapter in Earth\u2019s history\" \/>\n<meta property=\"og:description\" content=\"A quiet Canadian lake could mark the start of the Anthropocene: A small lake in Canada\u2019s Ontario may be used as the marker for the start of Earth\u2019s Anthropocene epoch \u2014 a new geological chapter defined by humanity\u2019s impacts on the planet, Nature reported earlier this week. 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