{"id":1879299,"date":"2026-04-12T13:55:20","date_gmt":"2026-04-12T10:55:20","guid":{"rendered":"https:\/\/analyse.optim.biz\/?p=1879299"},"modified":"2026-04-12T13:55:20","modified_gmt":"2026-04-12T10:55:20","slug":"populatia-lumii-a-depasit-limitele-planetei-pamantul-nu-mai-poate-sustine-consumul-actual-arata-un-nou","status":"publish","type":"post","link":"https:\/\/analyse.optim.biz\/?p=1879299","title":{"rendered":"Popula\u021bia lumii a dep\u0103\u0219it limitele planetei: P\u0103m\u00e2ntul nu mai poate sus\u021bine consumul actual, arat\u0103 un nou&#8230;"},"content":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-a\/a8baf9e7-681a-4e2d-ade8-297988349a94\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;]<\/p>\n<article class=\"svelte-t0js42\">\n<nav>\n<ul class=\"breadcrump svelte-xauq0s\">\n<li class=\"svelte-xauq0s\"><a href=\"\/\" title=\"Adev\u0103rul\" class=\"svelte-xauq0s\">Home<\/a><\/li>\n<li class=\"svelte-xauq0s\"><a href=\"\/stil-de-viata\" class=\"svelte-xauq0s\">Stil de via\u021b\u0103<\/a><\/li>\n<li class=\"svelte-xauq0s\"><a href=\"\/stil-de-viata\/stiinta\" class=\"svelte-xauq0s\">\u0218tiin\u021b\u0103<\/a><\/li>\n<li class=\"svelte-xauq0s\"><a href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/populatia-lumii-a-depasit-limitele-planetei-2522244.html\" class=\"svelte-xauq0s\">Popula\u021bia lumii a dep\u0103\u0219it limitele planetei: P\u0103m\u00e2ntul nu mai poate sus\u021bine consumul actual, arat\u0103 un nou studiu<\/a><\/li>\n<\/ul>\n<\/nav>\n<p><main class=\"svelte-t0js42\"><\/p>\n<p>Popula\u021bia global\u0103 a ajuns deja la un nivel prea ridicat, iar cererea tot mai mare de resurse dep\u0103\u0219e\u0219te capacitatea P\u0103m\u00e2ntului de a o sus\u021bine \u00een mod durabil la actualele niveluri de consum, avertizeaz\u0103 un nou studiu.<\/p>\n<div class=\"container-image  svelte-jd4qiv\"><source type=\"image\/webp\" srcset=\"https:\/\/cdn.adh.reperio.news\/image-a\/a8baf9e7-681a-4e2d-ade8-297988349a94\/index.jpeg?p=a%3D1%26co%3D1.05%26w%3D1400%26h%3D750%26r%3Dcontain%26f%3Dwebp 1400w\" media=\"(min-width: 1400px)\" \/><\/p>\n<div class=\"caption\">P\u0103m\u00e2ntul nu poate \u021bine pasul cu modul \u00een care folosim resursele FOTO Shutterstock<\/div>\n<\/div>\n<p>O echip\u0103 condus\u0103 de Corey Bradshaw a constatat c\u0103 omenirea tr\u0103ie\u0219te cu mult peste limitele pe care planeta noastr\u0103 le poate sus\u021bine pe termen lung. Cercetarea se bazeaz\u0103 pe date demografice str\u00e2nse timp de peste dou\u0103 decenii, potrivit <a href=\"https:\/\/www.sciencealert.com\/earths-population-has-surpassed-the-planets-capacity-study-suggests\" rel=\"nofollow\">Science Alert.<\/a><\/p>\n<p>Ecologii descriu capacitatea unui mediu de a sus\u021bine popula\u021bia unei specii drept <i>\u201ecapacitate de suport\u201d<\/i>. Este o estimare a num\u0103rului de indivizi dintr-o specie care pot supravie\u021bui pe termen lung, \u00een func\u021bie de resursele disponibile \u0219i de ritmul \u00een care acestea se refac.<\/p>\n<p>Specia noastr\u0103, Homo sapiens, este deosebit de priceput\u0103 \u00een a \u00eempinge aceste limite, av\u00e2nd tendin\u021ba de a g\u0103si solu\u021bii tehnologice pentru a dep\u0103\u0219i restric\u021biile naturale ale regener\u0103rii resurselor \u2013 \u00een special prin exploatarea combustibililor fosili.<\/p>\n<p>Trecerea la combustibili fosili \u00een transport \u0219i \u00een alte industrii a permis, \u00een mod fundamental, cre\u0219terea rapid\u0103 a popula\u021biei \u00een secolul al XX-lea \u2013 lucru care devine din nou evident \u00een contextul tensiunilor globale ce afecteaz\u0103 aprovizionarea cu energie. Popula\u021bia actual\u0103 a P\u0103m\u00e2ntului este de aproximativ 8,3 miliarde de oameni.<\/p>\n<p><i>\u201eEconomiile actuale, bazate pe cre\u0219tere continu\u0103, par s\u0103 nu recunoasc\u0103 limitele de regenerare care constr\u00e2ng expansiunea popula\u021biei, deoarece combustibilii fosili compenseaz\u0103 artificial aceast\u0103 diferen\u021b\u0103\u201d<\/i>, arat\u0103 echipa de cercetare.<\/p>\n<h2>\u201eP\u0103m\u00e2ntul nu poate \u021bine pasul cu modul \u00een care folosim resursele\u201d<\/h2>\n<p>Bradshaw \u0219i colegii s\u0103i au realizat o estimare bazat\u0103 pe dovezi a capacit\u0103\u021bii de suport a omenirii, folosind modele de cre\u0219tere ecologic\u0103 pentru a urm\u0103ri modific\u0103rile dimensiunii popula\u021biei \u0219i ale ratelor de cre\u0219tere \u00een ultimele dou\u0103 secole, at\u00e2t la nivel global, c\u00e2t \u0219i regional.<\/p>\n<p>Cercet\u0103torii fac distinc\u021bia \u00eentre capacitatea maxim\u0103 de suport \u2013 limita teoretic\u0103 absolut\u0103, indiferent de foamete, boli sau r\u0103zboaie \u2013 \u0219i capacitatea optim\u0103 de suport, \u00een care dimensiunea popula\u021biei este sustenabil\u0103 \u0219i asigur\u0103 un nivel minim de trai.<\/p>\n<p><i>\u201eP\u0103m\u00e2ntul nu poate \u021bine pasul cu modul \u00een care folosim resursele. Nu poate sus\u021bine nici m\u0103car cererea actual\u0103 f\u0103r\u0103 schimb\u0103ri majore. Rezultatele noastre arat\u0103 c\u0103 \u00eempingem planeta dincolo de ceea ce poate suporta\u201d<\/i>, spune Bradshaw.<\/p>\n<p>Potrivit studiului, p\u00e2n\u0103 \u00een anii 1950 popula\u021bia uman\u0103 cre\u0219tea \u00eentr-un ritm tot mai accelerat, \u00eens\u0103 la \u00eenceputul anilor 1960 acest ritm a \u00eenceput s\u0103 \u00eencetineasc\u0103, chiar dac\u0103 num\u0103rul total de oameni a continuat s\u0103 creasc\u0103.<\/p>\n<p><i>\u201eAceast\u0103 schimbare marcheaz\u0103 \u00eenceputul a ceea ce numim o faz\u0103 demografic\u0103 negativ\u0103\u201d<\/i>, explic\u0103 Bradshaw.\u00a0<i>\u201e\u00censeamn\u0103 c\u0103 ad\u0103ugarea de noi oameni nu mai duce la o cre\u0219tere mai rapid\u0103. Analizele noastre arat\u0103 c\u0103 popula\u021bia global\u0103 ar putea atinge un v\u00e2rf \u00eentre 11,7 \u0219i 12,4 miliarde de persoane spre sf\u00e2r\u0219itul anilor 2060 sau \u00een anii 2070, dac\u0103 tendin\u021bele actuale continu\u0103.\u201d<\/i><\/p>\n<h2>Capacitatea maxim\u0103 a fost dep\u0103\u0219it\u0103<\/h2>\n<p>Aproximativ 12 miliarde reprezint\u0103 capacitatea maxim\u0103 estimat\u0103, \u00eens\u0103 este departe de nivelul optim \u00een condi\u021biile actuale de consum. Cercet\u0103torii estimeaz\u0103 c\u0103 nivelul optim ar fi de circa 2,5 miliarde de oameni.<\/p>\n<p>Acesta este primul studiu care analizeaz\u0103 rela\u021bia dintre rata de schimbare a popula\u021biei pe cap de locuitor \u0219i dimensiunea medie a popula\u021biei pe termen lung.<\/p>\n<p>Rezultatele arat\u0103 c\u0103 societ\u0103\u021bile umane au trecut de la un model \u00een care mai mul\u021bi oameni \u00eensemnau o cre\u0219tere mai rapid\u0103, la unul \u00een care aceast\u0103 cre\u0219tere \u00eencepe s\u0103 se plafoneze: pe m\u0103sur\u0103 ce popula\u021bia cre\u0219te, ritmul de cre\u0219tere scade.<\/p>\n<p><a class=\"related-inline svelte-1t8qpgs\" data-gtrack='{\"event\":\"utm_click\",\"data\":{\"event_category\":\"article_related\"}}' href=\"https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/cat-timp-mai-poate-exista-viata-pe-pamant-2506818.html\" title=\"Alt articol de interes pentru tine\"><span class=\"inline-title svelte-1t8qpgs\">C\u00e2t timp mai poate exista via\u021ba pe P\u0103m\u00e2nt. Scenariile sf\u00e2r\u0219itului lumii, explicate de oamenii de \u0219tiin\u021b\u0103<\/span><\/a><\/p>\n<p>Chiar \u0219i \u00een aceste condi\u021bii, popula\u021bia actual\u0103 dep\u0103\u0219e\u0219te deja capacitatea sustenabil\u0103 estimat\u0103 de cercet\u0103tori. Diferen\u021ba dintre nivelul optim de 2,5 miliarde \u0219i popula\u021bia actual\u0103 de 8,3 miliarde poate explica problemele legate de supraconsum cu care se confrunt\u0103 omenirea.<\/p>\n<p>De exemplu, \u00een luna ianuarie a acestui an, Organiza\u021bia Na\u021biunilor Unite a anun\u021bat c\u0103 lumea se afl\u0103 \u00eentr-o stare de \u201efaliment al apei\u201d. Popula\u021biile de animale sunt \u00een declin, deoarece nu pot concura cu oamenii pentru resurse \u0219i nu pot \u021bine pasul cu nivelul nostru de consum.<\/p>\n<h2>Situa\u021bia nu este f\u0103r\u0103 ie\u0219ire<\/h2>\n<p>Dependen\u021ba de combustibili fosili pentru a cre\u0219te pe termen scurt capacitatea de suport a P\u0103m\u00e2ntului \u2013 de exemplu, pentru producerea \u00eengr\u0103\u0219\u0103mintelor sau pentru sus\u021binerea stilului nostru de via\u021b\u0103 \u2013 nu ofer\u0103 o solu\u021bie viabil\u0103. \u00cen acela\u0219i timp, ace\u0219ti combustibili contribuie la schimb\u0103rile climatice provocate de om, care afecteaz\u0103 ecosistemele \u0219i resursele naturale la nivel global.<\/p>\n<p>Studiul arat\u0103, de asemenea, c\u0103 varia\u021biile temperaturii globale, amprenta ecologic\u0103 \u0219i emisiile totale sunt explicate mai bine de cre\u0219terea popula\u021biei dec\u00e2t de cre\u0219terea consumului individual.<\/p>\n<p><i>\u201eSistemele care sus\u021bin via\u021ba pe planet\u0103 sunt deja sub presiune, iar f\u0103r\u0103 schimb\u0103ri rapide \u00een modul \u00een care folosim energia, terenurile \u0219i hrana, miliarde de oameni se vor confrunta cu instabilitate tot mai mare\u201d<\/i>, avertizeaz\u0103 Bradshaw.<i> \u201eRezultatele noastre arat\u0103 c\u0103 aceste limite nu sunt teoretice, ci se manifest\u0103 deja.\u201d<\/i><\/p>\n<p>Cu toate acestea, cercet\u0103torii spun c\u0103 situa\u021bia nu este f\u0103r\u0103 ie\u0219ire:\u00a0<i>\u201eP\u0103m\u00e2ntul nu poate sus\u021bine popula\u021bia viitoare \u2013 \u0219i nici pe cea actual\u0103 \u2013 f\u0103r\u0103 o schimbare major\u0103 a modului \u00een care folosim terenurile, apa, energia, biodiversitatea \u0219i alte resurse\u201d<\/i>, se arat\u0103 \u00een studiu.<\/p>\n<p><i>\u201ePopula\u021biile mai mici, cu un nivel mai redus de consum, ofer\u0103 rezultate mai bune at\u00e2t pentru oameni, c\u00e2t \u0219i pentru planet\u0103. Fereastra de ac\u021biune se \u00eengusteaz\u0103, dar schimb\u0103ri semnificative sunt \u00eenc\u0103 posibile dac\u0103 statele coopereaz\u0103\u201d<\/i>, spune Bradshaw.<\/p>\n<p><a class=\"related-inline svelte-1t8qpgs\" data-gtrack='{\"event\":\"utm_click\",\"data\":{\"event_category\":\"article_related\"}}' href=\"https:\/\/adevarul.ro\/stil-de-viata\/magazin\/virusurile-si-bacteriile-preistorice-ingeri-si-2509679.html\" title=\"Alt articol de interes pentru tine\"><span class=\"inline-title svelte-1t8qpgs\">Virusurile \u0219i bacteriile preistorice, \u00eengeri \u0219i demoni pentru umanitate. Ce sunt ele \u0219i c\u00e2t de multe le dator\u0103m existen\u021ba pe P\u0103m\u00e2nt <\/span><\/a><\/p>\n<p>Ca \u00een orice modelare la scar\u0103 global\u0103, exist\u0103 \u0219i limite. Sunt prea multe variabile \u00een evolu\u021bie pentru a putea fi luate toate \u00een calcul, astfel c\u0103 aceste estim\u0103ri trebuie privite \u00een contextul datelor disponibile.<\/p>\n<p>Conceptul de <i>\u201ecapacitate de suport\u201d<\/i> ridic\u0103 \u0219i probleme etice: nu to\u021bi oamenii au acelea\u0219i oportunit\u0103\u021bi sau consum\u0103 acelea\u0219i resurse, iar discu\u021biile despre controlul popula\u021biei sunt adesea sensibile \u0219i controversate.<\/p>\n<p><i>\u201eTragedia este c\u0103 activitatea uman\u0103 a \u00eentrerupt mecanismele naturale de corec\u021bie impuse de capacitatea de suport, f\u0103r\u0103 a le \u00eenlocui cu solu\u021bii corective umane \u0219i prietenoase cu mediul\u201d<\/i>, concluzioneaz\u0103 autorii. Studiul a fost publicat \u00een revista <a href=\"https:\/\/validate.perfdrive.com\/fb803c746e9148689b3984a31fccd902\/?ssa=9cc3604e-f8ac-4b8d-9d22-0a13454c43d2&amp;ssb=21960271291&amp;ssc=https%3A%2F%2Fiopscience.iop.org%2Farticle%2F10.1088%2F1748-9326%2Fae51aa&amp;ssi=3037d60c-cnvj-45ae-ac68-959ca8999ce1&amp;ssk=botmanager_support@radware.com&amp;ssm=65431123485251390105009025936807&amp;ssn=e78ee957a85ad60bc9e2d7ed216740530ae9bff08f11-584f-4dfa-9bc251&amp;sso=5d9140fc-5e583e42ef602f613279b54d7253f0586a0c288fed0b2d46&amp;ssp=54754207971776070825177604983806054&amp;ssq=63043210161411714681601614803203574183619&amp;ssr=ODYuMTI1LjE0Ljk2&amp;sst=Mozilla\/5.0%20(Windows%20NT%2010.0;%20Win64;%20x64)%20AppleWebKit\/537.36%20(KHTML,%20like%20Gecko)%20Chrome\/146.0.0.0%20Safari\/537.36&amp;ssu=&amp;ssv=&amp;ssw=&amp;ssx=eyJfX3V6bWYiOiI3ZjkwMDBiZmYwOGYxMS01ODRmLTRkZmEtOTBmYy01ZTU4M2U0MmVmNjAxLTE3NzYwMDE2MTQwODIwLTAwMzIyZGE4MzQ0YWM1ZTE1YzIxMCIsInV6bXgiOiI3ZjkwMDAyZTM3MGNkMi1mMjAxLTQ0MzUtODY2Zi1kOGEwYmQ5NzM1MzgxLTE3NzYwMDE2MTQwODIwLWQyMTA3NTBjNDIzOWEyYjMxMCIsInJkIjoiaW9wLm9yZyJ9\" rel=\"nofollow\">Environmental Research Letters<\/a>.<\/p>\n<p><\/main><\/p>\n<footer class=\"svelte-t0js42\">\n<div class=\"related-wrap related-footer svelte-1t8qpgs\"><span class=\"related-label svelte-1t8qpgs\">Cite\u0219te \u0219i<\/span><a class=\"related svelte-1t8qpgs\" data-gtrack='{\"event\":\"utm_click\",\"data\":{\"event_category\":\"article_related\"}}' href=\"https:\/\/adevarul.ro\/stiri-externe\/in-lume\/antarctica-noul-front-al-resurselor-gheturile-se-2520564.html\" title=\"Alt articol de interes pentru tine\"><img decoding=\"async\" class=\"thumb svelte-1t8qpgs\" src=\"https:\/\/cdn.adh.reperio.news\/image-e\/eb477388-4847-45a2-a01e-5423fa223497\/index.jpeg\" alt loading=\"lazy\" width=\"80\" height=\"54\"><span class=\"title svelte-1t8qpgs\">Antarctica, noul front al resurselor: ghe\u021burile se retrag \u0219i scot la lumin\u0103 bog\u0103\u021bii uria\u0219e de aur, argint sau platin\u0103 <\/span><\/a><\/div>\n<div class=\"meta svelte-t0js42\">\n<div class=\"authors svelte-t0js42\"><a href=\"\/author\/46\" rel=\"author\" class=\"svelte-t0js42\">Teodora Marinescu<\/a><\/div>\n<div class=\"tags svelte-12okeyl\"><span class=\"tags-label metaFont svelte-12okeyl\">Cite\u0219te mai multe despre<\/span><\/p>\n<div class=\"tags-list svelte-12okeyl\"><a href=\"\/tag\/studiu\" title=\"Ultimele \u0219tiri despre studiu\" class=\"tag-pill svelte-12okeyl\">studiu<\/a><a href=\"\/tag\/populatie\" title=\"Ultimele \u0219tiri despre populatie\" class=\"tag-pill svelte-12okeyl\">populatie<\/a><a href=\"\/tag\/pamant\" title=\"Ultimele \u0219tiri despre pamant\" class=\"tag-pill svelte-12okeyl\">pamant<\/a><\/div>\n<\/div>\n<\/div>\n<p><a class=\"moreFromCategory svelte-t0js42\" href=\"\/stil-de-viata\/stiinta\" title=\"\u0218tiin\u021b\u0103\">Mai multe din <strong class=\"svelte-t0js42\">\u0218tiin\u021b\u0103<\/strong> \u203a<\/a><\/footer>\n<\/article>\n<p>[analyse_source url=&#8221;https:\/\/adevarul.ro\/stil-de-viata\/stiinta\/populatia-lumii-a-depasit-limitele-planetei-2522244.html&#8221;]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[analyse_image type=&#8221;featured&#8221; src=&#8221;https:\/\/cdn.adh.reperio.news\/image-a\/a8baf9e7-681a-4e2d-ade8-297988349a94\/index.jpeg?p=f%3Djpeg%26w%3D1200%26h%3D630%26r%3Dcover&#8221;] Home Stil de via\u021b\u0103 \u0218tiin\u021b\u0103 Popula\u021bia lumii a dep\u0103\u0219it limitele planetei: P\u0103m\u00e2ntul nu mai poate sus\u021bine consumul actual, arat\u0103 un nou studiu Popula\u021bia global\u0103 a ajuns deja la un nivel prea ridicat, iar cererea tot mai mare de resurse dep\u0103\u0219e\u0219te capacitatea P\u0103m\u00e2ntului de a o sus\u021bine \u00een mod durabil la actualele niveluri [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[89],"tags":[19,226],"class_list":["post-1879299","post","type-post","status-publish","format-standard","hentry","category-romania","tag-adevarul","tag-crawlmanager"],"_links":{"self":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1879299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1879299"}],"version-history":[{"count":0,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=\/wp\/v2\/posts\/1879299\/revisions"}],"wp:attachment":[{"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1879299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1879299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/analyse.optim.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1879299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}