{"id":2832,"date":"2021-02-20T23:58:41","date_gmt":"2021-02-20T23:58:41","guid":{"rendered":"https:\/\/www.lifescienceart.com\/?p=2832"},"modified":"2021-02-20T23:58:41","modified_gmt":"2021-02-20T23:58:41","slug":"carbon-dioxide-levels-surpass-critical-milestone","status":"publish","type":"post","link":"https:\/\/www.lifescienceart.com\/cs\/science\/climate-science\/carbon-dioxide-levels-surpass-critical-milestone\/","title":{"rendered":"Hladiny CO2 na Zemi p\u0159ekro\u010dily kritickou mez"},"content":{"rendered":"<h2 class=\"wp-block-heading\">Hladiny oxidu uhli\u010dit\u00e9ho p\u0159ekro\u010dily kritickou mez<\/h2>\n\n<h2 class=\"wp-block-heading\">M\u011b\u0159en\u00ed z observato\u0159e Mauna Loa dokumentuj\u00ed bod zvratu<\/h2>\n\n<p>Na vrcholu havajsk\u00e9 sopky Mauna Loa stoj\u00ed observato\u0159 Mauna Loa jako str\u00e1\u017ece s pohledem up\u0159en\u00fdm k obloze. Jej\u00edm posl\u00e1n\u00edm je sledovat atmosf\u00e9rick\u00e9 podm\u00ednky a jej\u00ed ned\u00e1vn\u00e1 m\u011b\u0159en\u00ed odhalila nep\u0159\u00edjemnou pravdu: hladiny oxidu uhli\u010dit\u00e9ho (CO2) na Zemi p\u0159ekro\u010dily kritickou hranici.<\/p>\n\n<h2 class=\"wp-block-heading\">Role El Ni\u00f1a v n\u00e1r\u016fstu CO2<\/h2>\n\n<p>Vin\u00edkem tohoto n\u00e1r\u016fstu je ned\u00e1vn\u00e1 ud\u00e1lost El Ni\u00f1o. Tento meteorologick\u00fd jev oh\u0159\u00edv\u00e1 oce\u00e1nsk\u00e9 vody pobl\u00ed\u017e rovn\u00edku, co\u017e vede ke zv\u00fd\u0161en\u00e9mu vypa\u0159ov\u00e1n\u00ed a su\u0161\u0161\u00edm podm\u00ednk\u00e1m v tropick\u00fdch oblastech. Jak vegetace vadne a ho\u0159\u00ed, do atmosf\u00e9ry se uvol\u0148uj\u00ed obrovsk\u00e9 mno\u017estv\u00ed CO2.<\/p>\n\n<h2 class=\"wp-block-heading\">Rekordn\u00ed n\u00e1r\u016fst<\/h2>\n\n<p>V roce 2015 observato\u0159 Mauna Loa zaznamenala nejv\u011bt\u0161\u00ed meziro\u010dn\u00ed n\u00e1r\u016fst hladin CO2 od doby, kdy za\u010dala m\u011b\u0159en\u00ed. Hladiny nejen\u017ee p\u0159ekro\u010dily 2 ppm ji\u017e \u010dtvrt\u00fdm rokem po sob\u011b, ale tak\u00e9 prudce vzrostly na neb\u00fdval\u00fdch 402,59 ppm.<\/p>\n\n<h2 class=\"wp-block-heading\">Bod, odkud nen\u00ed n\u00e1vratu<\/h2>\n\n<p>Pro v\u011bdce tento miln\u00edk p\u0159edstavuje \u201ebod, odkud nen\u00ed n\u00e1vratu\u201c. Je to bod zvratu, za kter\u00fdm dojde k v\u00fdrazn\u00e9mu oteplen\u00ed, a to i v p\u0159\u00edpad\u011b, \u017ee se lidem poda\u0159\u00ed sn\u00ed\u017eit sv\u00e9 emise oxidu uhli\u010dit\u00e9ho.<\/p>\n\n<h2 class=\"wp-block-heading\">Hladiny CO2 z\u016fstanou zv\u00fd\u0161en\u00e9<\/h2>\n\n<p>Modely vyvinut\u00e9 v\u00fdzkumn\u00edky v observato\u0159i Mauna Loa p\u0159edpov\u00eddaj\u00ed, \u017ee hladiny CO2 ji\u017e nikdy neklesnou pod 400 ppm. Nav\u00edc pokra\u010duj\u00edc\u00ed lidsk\u00e9 \u010dinnosti, jako je odles\u0148ov\u00e1n\u00ed a spalov\u00e1n\u00ed fosiln\u00edch paliv, budou i nad\u00e1le zvy\u0161ovat hladiny CO2 a dos\u00e1hnou odhadovan\u00fdch 3,15 ppm ro\u010dn\u011b.<\/p>\n\n<h2 class=\"wp-block-heading\">Nevyhnutelnost zm\u011bny klimatu<\/h2>\n\n<p>\u201eBez ohledu na to, jak\u00e9 jsou te\u010f sv\u011btov\u00e9 emise, m\u016f\u017eeme sn\u00ed\u017eit r\u016fst, ale nem\u016f\u017eeme sn\u00ed\u017eit koncentraci,\u201c \u0159ekl atmosf\u00e9rick\u00fd v\u011bdec David Etheridge. P\u0159esto\u017ee m\u016f\u017ee b\u00fdt nemo\u017en\u00e9 zvr\u00e1tit n\u00e1r\u016fst hladin CO2, lid\u00e9 st\u00e1le mohou podniknout kroky ke zm\u00edrn\u011bn\u00ed jeho dopad\u016f.<\/p>\n\n<h2 class=\"wp-block-heading\">Zastaven\u00ed r\u016fstu<\/h2>\n\n<p>Sn\u00ed\u017een\u00ed emis\u00ed sklen\u00edkov\u00fdch plyn\u016f je z\u00e1sadn\u00ed pro zpomalen\u00ed r\u016fstu hladin CO2. Toho lze dos\u00e1hnout opat\u0159en\u00edmi, jako je zv\u00fd\u0161en\u00ed vyu\u017e\u00edv\u00e1n\u00ed obnoviteln\u00fdch zdroj\u016f energie, zlep\u0161en\u00ed energetick\u00e9 \u00fa\u010dinnosti a podpora udr\u017eiteln\u00fdch postup\u016f vyu\u017e\u00edv\u00e1n\u00ed p\u016fdy.<\/p>\n\n<h2 class=\"wp-block-heading\">P\u0159\u00edprava na dopady<\/h2>\n\n<p>Jak hladiny CO2 d\u00e1le porostou, atmosf\u00e9ra Zem\u011b projde hlubok\u00fdmi zm\u011bnami. Tyto zm\u011bny povedou k \u0159ad\u011b dopad\u016f, v\u010detn\u011b stoupaj\u00edc\u00ed hladiny mo\u0159\u00ed, \u010dast\u011bj\u0161\u00edch a intenzivn\u011bj\u0161\u00edch vln veder a zm\u011bn\u011bn\u00fdch vzorc\u016f sr\u00e1\u017eek.<\/p>\n\n<h2 class=\"wp-block-heading\">V\u00fdzva k akci<\/h2>\n\n<p>P\u0159ekro\u010den\u00ed hranice 400 ppm CO2 je jasnou p\u0159ipom\u00ednkou nal\u00e9havosti klimatick\u00fdch opat\u0159en\u00ed. Je to v\u00fdzva ke sn\u00ed\u017een\u00ed na\u0161\u00ed uhl\u00edkov\u00e9 stopy, investov\u00e1n\u00ed do obnoviteln\u00fdch zdroj\u016f energie a p\u0159izp\u016fsoben\u00ed se m\u011bn\u00edc\u00edmu se klimatu, kter\u00e9 ji\u017e nastalo. Pouze prost\u0159ednictv\u00edm kolektivn\u00ed akce m\u016f\u017eeme zm\u00edrnit nejhor\u0161\u00ed \u00fa\u010dinky zm\u011bny klimatu a zajistit udr\u017eitelnou budoucnost pro budouc\u00ed generace.<\/p>\n\n<h2 class=\"wp-block-heading\">Dal\u0161\u00ed dlouhodob\u00e1 kl\u00ed\u010dov\u00e1 slova:<\/h2>\n\n<ul class=\"wp-block-list\">\n<li>Dlouhodob\u00e9 d\u016fsledky zv\u00fd\u0161en\u00fdch hladin CO2<\/li>\n<li>D\u016fle\u017eitost zm\u00edr\u0148ov\u00e1n\u00ed zm\u011bny klimatu<\/li>\n<li>Strategie p\u0159izp\u016fsoben\u00ed se m\u011bn\u00edc\u00edmu se klimatu<\/li>\n<li>Role obnoviteln\u00fdch zdroj\u016f energie p\u0159i sni\u017eov\u00e1n\u00ed emis\u00ed<\/li>\n<li>Udr\u017eiteln\u00e9 postupy vyu\u017e\u00edv\u00e1n\u00ed p\u016fdy pro zachycov\u00e1n\u00ed CO2<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Hladiny oxidu uhli\u010dit\u00e9ho p\u0159ekro\u010dily kritickou mez M\u011b\u0159en\u00ed z observato\u0159e Mauna Loa dokumentuj\u00ed bod zvratu Na vrcholu havajsk\u00e9 sopky Mauna Loa stoj\u00ed observato\u0159 Mauna Loa jako str\u00e1\u017ece s pohledem up\u0159en\u00fdm k&hellip;<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[284],"tags":[569,775,291,120,283,34],"class_list":["post-2832","post","type-post","status-publish","format-standard","hentry","category-climate-science","tag-global-warming","tag-carbon-dioxide","tag-greenhouse-gases","tag-sustainability","tag-environment","tag-climate-change"],"_links":{"self":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/2832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/comments?post=2832"}],"version-history":[{"count":1,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/2832\/revisions"}],"predecessor-version":[{"id":2833,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/posts\/2832\/revisions\/2833"}],"wp:attachment":[{"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/media?parent=2832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/categories?post=2832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.lifescienceart.com\/cs\/wp-json\/wp\/v2\/tags?post=2832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}