{"id":108370,"date":"2026-06-09T00:17:21","date_gmt":"2026-06-08T22:17:21","guid":{"rendered":"https:\/\/www.infokuryr.cz\/n\/?p=108370"},"modified":"2026-06-08T05:37:15","modified_gmt":"2026-06-08T03:37:15","slug":"zeme-se-zeleni-pouste-se-zmensuji-diky-co2","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2026\/06\/09\/zeme-se-zeleni-pouste-se-zmensuji-diky-co2\/","title":{"rendered":"Zem\u011b se zelen\u00ed, pou\u0161t\u011b se zmen\u0161uj\u00ed \u2013 d\u00edky CO2!"},"content":{"rendered":"
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Zat\u00edmco CO2 je ve ve\u0159ejn\u00e9 debat\u011b \u010dasto pova\u017eov\u00e1n za \u00fast\u0159edn\u00ed probl\u00e9m klimatu, satelitn\u00ed pozorov\u00e1n\u00ed a dal\u0161\u00ed podrobn\u00e9 anal\u00fdzy vykresluj\u00ed jin\u00fd obraz. Vegetace na Zemi se rozr\u016fst\u00e1, a to p\u0159edev\u0161\u00edm kv\u016fli vy\u0161\u0161\u00edm koncentrac\u00edm CO2 v atmosf\u00e9\u0159e. Z\u00e1rove\u0148 vyhodnocen\u00ed re\u00e1ln\u00fdch teplotn\u00edch dat ukazuje, \u017ee CO2 nen\u00ed hnac\u00ed silou glob\u00e1ln\u00edho oteplov\u00e1n\u00ed.<\/span><\/strong><\/p>\n

Od 80. let 20. stolet\u00ed se Sahara zmen\u0161ila p\u0159ibli\u017en\u011b o osm procent. Satelitn\u00ed data potvrzuj\u00ed rozs\u00e1hl\u00e9 ozelen\u011bn\u00ed velk\u00fdch \u010d\u00e1st\u00ed Zem\u011b. Zhruba polovina zarostl\u00e9 pevniny se v\u00fdrazn\u011b zazelenala, co\u017e je oblast o n\u011bco v\u00edce ne\u017e dvojn\u00e1sobek rozlohy Spojen\u00fdch st\u00e1t\u016f. Dominantn\u00edm faktorem je n\u00e1r\u016fst hladiny CO2 v atmosf\u00e9\u0159e. Vy\u0161\u0161\u00ed koncentrace umo\u017e\u0148uj\u00ed rostlin\u00e1m efektivn\u011bj\u0161\u00ed fotosynt\u00e9zu. Ztr\u00e1cej\u00ed m\u00e9n\u011b vody pr\u016fduchy, l\u00e9pe sn\u00e1\u0161ej\u00ed sucho a horko a celkov\u011b rostou energi\u010dt\u011bji. Tento efekt je obzvl\u00e1\u0161t\u011b patrn\u00fd na okraj\u00edch pou\u0161t\u00ed, v Sahelu, na St\u0159edn\u00edm v\u00fdchod\u011b, v australsk\u00e9m vnitrozem\u00ed a pod\u00e9l ji\u017en\u00edho okraje Sahary.<\/span><\/p>\n

Studie z roku 2016 publikovan\u00e1 v \u010dasopise \u201eNature Climate Change\u201c, do kter\u00e9 se zapojili v\u00fdzkumn\u00edci NASA, analyzovala satelitn\u00ed data za 35 let. \u010ctvrtina a\u017e polovina vegeta\u010dn\u00edch oblast\u00ed Zem\u011b vyk\u00e1zala v\u00fdznamn\u00fd n\u00e1r\u016fst listov\u00e9 plochy. Hnojen\u00ed CO2\u00a0<\/span>vysv\u011btlilo p\u0159ibli\u017en\u011b 70 procent tohoto efektu<\/span><\/a>\u00a0. Dal\u0161\u00ed anal\u00fdzy potvrzuj\u00ed, \u017ee n\u00e1r\u016fst tohoto stopov\u00e9ho plynu zv\u00fd\u0161il glob\u00e1ln\u00ed fotosynt\u00e9zu od roku 1982 p\u0159ibli\u017en\u011b o 12 procent, co\u017e m\u00e1 znateln\u00e9 dopady na glob\u00e1ln\u00ed biomasu a potenci\u00e1ln\u00ed zem\u011bd\u011blsk\u00e9 v\u00fdnosy.<\/span><\/p>\n

Vliv CO2 je nejsiln\u011bj\u0161\u00ed tam, kde je vody m\u00e1lo. V such\u00fdch okrajov\u00fdch z\u00f3n\u00e1ch ekosyst\u00e9my a m\u00edstn\u00ed zem\u011bd\u011blstv\u00ed t\u011b\u017e\u00ed ze zlep\u0161en\u00e9 vodn\u00ed \u00fa\u010dinnosti rostlin. Zde se CO2 op\u011bt ukazuje jako nepostradateln\u00fd stavebn\u00ed k\u00e1men rostlinn\u00e9ho \u017eivota, z\u00e1klad cel\u00e9ho potravn\u00edho \u0159et\u011bzce. Proto se CO2 z\u00e1m\u011brn\u011b p\u0159id\u00e1v\u00e1 do sklen\u00edk\u016f, aby se zv\u00fd\u0161ily v\u00fdnosy. Glob\u00e1ln\u00ed ozelen\u011bn\u00ed se \u0159\u00edd\u00ed stejn\u00fdm principem, jen v mnohem v\u011bt\u0161\u00edm m\u011b\u0159\u00edtku.<\/span><\/p>\n

O CO2 se ale d\u00e1 \u0159\u00edct v\u00edc. Nen\u00ed zodpov\u011bdn\u00fd za teplotu planety. Anal\u00fdza Ole Humluma z let 2025\/2026, zalo\u017een\u00e1 na skute\u010dn\u00fdch pozorov\u00e1n\u00edch, toto hodnocen\u00ed podtrhuje. V publikaci \u201eStav klimatu 2025\u201c\u00a0<\/span>autor objas\u0148uje<\/span><\/a>\u00a0, \u017ee a\u010dkoli je CO2 nezbytn\u00fd pro rostliny a \u017eivo\u010dichy, nen\u00ed nijak zvl\u00e1\u0161\u0165 v\u00fdznamn\u00fd pro pochopen\u00ed meteorologie a klimatu. \u010casov\u00e1 posloupnost teplotn\u00edch zm\u011bn ukazuje, \u017ee oteplov\u00e1n\u00ed za\u010d\u00edn\u00e1 nejprve na hladin\u011b oce\u00e1nu. Teprve se zpo\u017ed\u011bn\u00edm n\u00e1sleduje atmosf\u00e9ra, pevnina a nakonec hlub\u0161\u00ed vrstvy oce\u00e1nu. Tento vzorec neodpov\u00edd\u00e1 sc\u00e9n\u00e1\u0159i, ve kter\u00e9m teplotu \u0159\u00edd\u00ed atmosf\u00e9rick\u00fd CO2. V takov\u00e9m p\u0159\u00edpad\u011b by teplota musela nejprve stoupat v horn\u00ed troposf\u00e9\u0159e a pot\u00e9 se \u0161\u00ed\u0159it dol\u016f. Atmosf\u00e9rick\u00e9 podm\u00ednky m\u00edsto toho \u0159\u00edd\u00ed teploty povrchu oce\u00e1nu \u2013 ovlivn\u011bn\u00e9 slune\u010dn\u00edm z\u00e1\u0159en\u00edm a obla\u010dnost\u00ed. Vliv CO2 je zcela pod\u0159\u00edzen ostatn\u00edm faktor\u016fm.<\/span><\/p>\n

Humlumova anal\u00fdza glob\u00e1ln\u00edch a arktick\u00fdch dat neukazuje \u017e\u00e1dn\u00e9 zn\u00e1mky hroz\u00edc\u00ed klimatick\u00e9 krize. Teploty v roce 2025 byly dokonce m\u00edrn\u011b pod pr\u016fm\u011brem p\u0159edchoz\u00edch deseti let. Trendy v mo\u0159sk\u00e9m ledu, hladin\u00e1ch pob\u0159e\u017en\u00edch mo\u0159\u00ed a sr\u00e1\u017ek\u00e1ch z\u016fst\u00e1vaj\u00ed v r\u00e1mci zn\u00e1m\u00fdch p\u0159irozen\u00fdch v\u00fdkyv\u016f. Po\u010d\u00edta\u010dov\u00e9 modely a progn\u00f3zy p\u0159edpov\u00eddaj\u00edc\u00ed v\u00fdznamn\u00e9 zm\u011bny zp\u016fsoben\u00e9 CO2 se v\u0161ak znateln\u011b odchyluj\u00ed od skute\u010dn\u00fdch m\u011b\u0159en\u00ed. Politick\u00e9 veden\u00ed EU, kter\u00e9 dezinterpretuje nebo pop\u00edr\u00e1 realitu, kategoricky ozna\u010duje CO2 za \u201ezne\u010di\u0161t\u011bn\u00ed\u201c a \u201ezabij\u00e1ka klimatu\u201c. Evropa m\u00e1 b\u00fdt deindustrializov\u00e1na, aby se eliminovaly emise CO2. To je vzhledem k fyzik\u00e1ln\u00ed realit\u011b nemo\u017en\u00e9 a zbyte\u010dn\u00e9. Proto\u017ee CO2 nen\u00ed zne\u010di\u0161\u0165uj\u00edc\u00ed l\u00e1tka. A zbytek planety se na deindustrializaci stejn\u011b pod\u00edlet nebude. Evropa se ni\u010d\u00ed sama kv\u016fli levicov\u00e9mu, zelen\u011b zabarven\u00e9mu bludu.<\/span><\/p>\n

Ale samoz\u0159ejm\u011b nesm\u00edme zapom\u00ednat, \u017ee dan\u011b jsou vyb\u00edr\u00e1ny a p\u0159erozd\u011blov\u00e1ny ve jm\u00e9nu klimatu. \u017de do v\u0161ech oblast\u00ed \u017eivota se zasahuje ve jm\u00e9nu klimatu. Moc a pen\u00edze m\u011bly pro na\u0161e samozvan\u00e9 elity v\u017edycky magnetickou p\u0159ita\u017elivost.<\/span><\/p>\n

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Zat\u00edmco CO2 je ve ve\u0159ejn\u00e9 debat\u011b \u010dasto pova\u017eov\u00e1n za \u00fast\u0159edn\u00ed probl\u00e9m klimatu, satelitn\u00ed pozorov\u00e1n\u00ed a…<\/p>\n","protected":false},"author":2,"featured_media":108371,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[2692,65,9201],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/108370"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=108370"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/108370\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/108371"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=108370"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=108370"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=108370"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}