{"671140":{"#nid":"671140","#data":{"type":"external_news","title":"Extreme Drop in Oxygen Will One Day Suffocate Most Life on Earth","body":[{"value":"\u003Cp\u003EDon\u0027t worry; it\u0027s not expected to happen for another billion years or so.\u0026nbsp;But when Earth\u0027s atmosphere does indeed revert back to one that\u0027s rich in methane and low in oxygen, it\u0027s going to happen fairly rapidly, according to a 2021 study co-authored by \u003Ca href=\u0022https:\/\/eas.gatech.edu\/people\/reinhard-dr-chris\u0022\u003EChris Reinhard\u003C\/a\u003E, associate professor in the \u003Ca href=\u0022https:\/\/eas.gatech.edu\u0022\u003ESchool of Earth and Atmospheric Sciences\u003C\/a\u003E.\u0026nbsp;This shift will take the planet back to something like the state it was in before what\u0027s known as\u0026nbsp;\u003Ca href=\u0022https:\/\/www.sciencealert.com\/the-first-major-bursts-of-oxygen-in-our-atmosphere-might-not-have-originated-the-way-we-thought\u0022 rel=\u0022noopener noreferrer\u0022 target=\u0022_blank\u0022\u003Ethe Great Oxidation Event\u003C\/a\u003E\u0026nbsp;(GOE) around 2.4 billion years ago. What\u0027s more, the researchers behind the study say that atmospheric oxygen is unlikely to be a permanent feature of habitable worlds in general, which has implications for our efforts to detect signs of life further out in the Universe.\u0026nbsp; (This study was also covered at \u003Ca href=\u0022https:\/\/www.financialexpress.com\/life\/science-earth-to-go-breathless-soon-new-study-forecasts-oxygen-wipeout-from-atmosphere-by-this-period-details-bkg-3311952\/\u0022\u003EFinancial Express,\u003C\/a\u003E\u0026nbsp;\u003Ca href=\u0022https:\/\/www.msn.com\/en-in\/news\/techandscience\/life-on-earth-could-have-a-suffocating-end-oxygen-levels-will-drop-by\/ar-AA1k80J6\u0022\u003EMSN\u003C\/a\u003E,\u0026nbsp;\u003Ca href=\u0022https:\/\/www.sciencealert.com\/extreme-drop-in-oxygen-will-one-day-suffocate-most-life-on-earth\u0022\u003EScienceAlert\u003C\/a\u003E,\u0026nbsp;\u003Ca href=\u0022https:\/\/www.indiatoday.in\/science\/story\/life-on-earth-will-have-a-suffocating-end-the-oxygen-levels-will-drop-by-2464500-2023-11-18\u0022\u003EIndia Today\u003C\/a\u003E and\u0026nbsp;\u003Ca href=\u0022https:\/\/www.wionews.com\/science\/earth-without-oxygen-this-is-when-our-planet-will-lose-an-oxygen-rich-atmosphere-660107\u0022\u003EWION\u003C\/a\u003E.)\u003C\/p\u003E\r\n","summary":"","format":"limited_html"}],"field_subtitle":"","field_summary":[{"value":"\u003Cp\u003EDon\u0027t worry; it\u0027s not expected to happen for another billion years or so.\u0026nbsp;But when Earth\u0027s atmosphere does indeed revert back to one that\u0027s rich in methane and low in oxygen, it\u0027s going to happen fairly rapidly, according to a 2021 study co-authored by \u003Ca href=\u0022https:\/\/eas.gatech.edu\/people\/reinhard-dr-chris\u0022\u003EChris Reinhard\u003C\/a\u003E, associate professor in the \u003Ca href=\u0022https:\/\/eas.gatech.edu\u0022\u003ESchool of Earth and Atmospheric Sciences\u003C\/a\u003E.\u0026nbsp;This shift will take the planet back to something like the state it was in before what\u0027s known as\u0026nbsp;\u003Ca href=\u0022https:\/\/www.sciencealert.com\/the-first-major-bursts-of-oxygen-in-our-atmosphere-might-not-have-originated-the-way-we-thought\u0022 rel=\u0022noopener noreferrer\u0022 target=\u0022_blank\u0022\u003Ethe Great Oxidation Event\u003C\/a\u003E\u0026nbsp;(GOE) around 2.4 billion years ago. What\u0027s more, the researchers behind the study say that atmospheric oxygen is unlikely to be a permanent feature of habitable worlds in general, which has implications for our efforts to detect signs of life further out in the Universe. (This study was also covered at \u003Ca href=\u0022https:\/\/www.financialexpress.com\/life\/science-earth-to-go-breathless-soon-new-study-forecasts-oxygen-wipeout-from-atmosphere-by-this-period-details-bkg-3311952\/\u0022\u003EFinancial Express,\u003C\/a\u003E\u0026nbsp;\u003Ca href=\u0022https:\/\/www.msn.com\/en-in\/news\/techandscience\/life-on-earth-could-have-a-suffocating-end-oxygen-levels-will-drop-by\/ar-AA1k80J6\u0022\u003EMSN\u003C\/a\u003E, \u003Ca href=\u0022https:\/\/www.sciencealert.com\/extreme-drop-in-oxygen-will-one-day-suffocate-most-life-on-earth\u0022\u003EScienceAlert\u003C\/a\u003E,\u003Ca href=\u0022https:\/\/www.indiatoday.in\/science\/story\/life-on-earth-will-have-a-suffocating-end-the-oxygen-levels-will-drop-by-2464500-2023-11-18\u0022\u003E\u0026nbsp;India Today\u003C\/a\u003E and\u0026nbsp;\u003Ca href=\u0022https:\/\/www.wionews.com\/science\/earth-without-oxygen-this-is-when-our-planet-will-lose-an-oxygen-rich-atmosphere-660107\u0022\u003EWION\u003C\/a\u003E.)\u003C\/p\u003E\r\n","format":"limited_html"}],"field_summary_sentence":"","uid":"34434","created_gmt":"2023-11-17 15:05:58","changed_gmt":"2023-12-18 16:24:22","author":"Renay San Miguel","boilerplate_text":"","field_publication":"","publication":"ScienceAlert","field_article_url":"","publication_url":"https:\/\/www.sciencealert.com\/extreme-drop-in-oxygen-will-one-day-suffocate-most-life-on-earth","dateline":{"date":"2023-11-21T00:00:00-05:00","iso_date":"2023-11-21T00:00:00-05:00","tz":"America\/New_York"},"extras":[],"groups":[{"id":"1278","name":"College of Sciences"},{"id":"364801","name":"School of Earth and Atmospheric Sciences (EAS)"}],"categories":[{"id":"154","name":"Environment"},{"id":"135","name":"Research"},{"id":"134","name":"Student and Faculty"}],"keywords":[{"id":"4896","name":"College of Sciences"},{"id":"166926","name":"School of Earth and Atmospheric Sciences"},{"id":"170504","name":"Chris Reinhard"},{"id":"193281","name":"Great Oxidation Event"},{"id":"187262","name":"Earth oxygen"}],"core_research_areas":[],"news_room_topics":[],"event_categories":[],"invited_audience":[],"affiliations":[],"classification":[],"areas_of_expertise":[],"news_and_recent_appearances":[],"phone":[],"contact":[],"email":[],"slides":[],"orientation":[],"userdata":""}}}