{"id":233475,"date":"2017-09-22T08:49:15","date_gmt":"2017-09-22T06:49:15","guid":{"rendered":"http:\/\/www.pcnen.com\/portal\/?p=233475"},"modified":"2017-09-22T08:49:15","modified_gmt":"2017-09-22T06:49:15","slug":"naucnik-izracunao-kada-ce-covjecanstvo-nestati","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2017\/09\/22\/naucnik-izracunao-kada-ce-covjecanstvo-nestati\/","title":{"rendered":"Nau\u010dnik izra\u010dunao kada \u0107e \u010dovje\u010danstvo nestati"},"content":{"rendered":"<p><a href=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2015\/02\/apokalipsa-e1506062895234.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-173500\" src=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2015\/02\/apokalipsa-300x214.jpg\" alt=\"apokalipsa\" width=\"300\" height=\"214\" \/><\/a>Po prora\u010dunima Danijela Rotmana, profesora geofizike na Tehnolo\u0161kom institutu u Masa\u010dusetsu, \u010dovje\u010danstvo ima jo\u0161 samo 82 godine da rije\u0161i pitanje svog opstanka na Zemlji.<\/p>\n<p>Rotman je pomo\u0107u jednostavne matemati\u010dke formule izra\u010dunao da \u0107e okeani uskoro sadr\u017eati toliko ugljenika da \u0107e masovni pomor biti neminovan, prenosi News.com.au.<\/p>\n<p>U posljednjih 540 miliona godina, planeta je pretrpjela pet takvih doga\u0111aja, uklju\u010duju\u0107i istrebljenje dinosaurusa.<\/p>\n<p>Najgori masovni pomor dogodio se prije 252 miliona godina, kada je odumrlo 95 odsto marinskog \u017eivota zbog naglog pove\u0107anja kiselosti okeana.<\/p>\n<p>Kriti\u010dna koli\u010dina ugljenika u okeanima iznosi 500 gigatona, dok se trenutno nalazi oko 310 gigatona ovog elementa, navodi nau\u010dnik.<\/p>\n<p>Njegova studija je pokazala da \u0107e krajem veijka ciklus kru\u017eenja ugljenika dovesti do prirodne katastrofe.<\/p>\n<p>Rotman navodi da je \u010dovje\u010danstvo od perioda industrijske revolucije emitovalo u atmosferu 1.540 milijardi tona ugljen-dioksida, \u0161to je jednako koli\u010dini uglja koja bi se prostirala od polja veli\u010dine 22 x 22 metara na Zemlji do Mjeseca (razdaljina od 386.000 kilometara).<\/p>\n<p>Polovina emitovane koli\u010dine ugljen-dioksida ostala je u Zemljinoj atmosferi, uzrokuju\u0107i 10 puta br\u017ei porast tog gasa od bilo koje katastrofe koja je zadesila na\u0161u planetu.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u010covje\u010danstvo ima jo\u0161 82 godine da rije\u0161i pitanje svog opstanka na Zemlji<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-233475","post","type-post","status-publish","format-standard","hentry","category-zanimljivosti"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/233475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=233475"}],"version-history":[{"count":0,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/233475\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=233475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=233475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=233475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}