Kuchinja kwemamiriro ekunze inogona kuchengetedzwa kana chikamu chekubuda kwemafuta ese efossil anotanga nekukasira, sekureva kwetsvagiridzo.
Zvinoratidza kuti kusangana neshuviro yakabvumiranwa pasi rose yekuchengeta kudziya kwepasi kusvika pasi pe1.5C pamusoro pemazinga asati atanga maindasitiri zvichiri kuitika. Masayendisiti anoti naizvozvo isarudzo dziri kuitwa nevepasi rose, kwete physics, inova chipingamupinyi pakuzadzisa chinangwa.
Chidzidzo ichi chakawana kuti kana zvese zvemafuta emafuta emagetsi - mafekitori emagetsi, mafekitori, mota, ngarava nendege - kubva zvino zvichienda mberi zvakatsiviwa neimwe zero-carbon dzimwe nzira pakupera kwehupenyu hwavo hunobatsira, pane mukana we64% wekugara pasi pe1.5C. .
Muna October, the Intergovernmental Panel on Climate Change yakati mutsauko pakati pe1.5C yekudziya uye chinangwa chepakutanga chepasi rose che2C chaive njodzi yakanyanya kuderera yekusanaya kwemvura, mafashamo, kupisa uye urombo kumazana emamiriyoni evanhu.
Christopher Smith, weYunivhesiti yeLeeds, uyo akatungamirira tsvakurudzo yacho, akati: “Mashoko akanaka pamaonero enzvimbo. Asi kune rumwe rutivi rwemari, iyo [pombi yefossil phaseout] iri pamuganho wezvatingaite. Isu tiri kutaura kuti hatigone kuvaka chero chinhu ikozvino chinoburitsa mafuta ezvicherwa. "
Nicholas Stern, weLondon School of Economics, akanga asiri muboka renzvero, akati: “Tava kusvika nokukurumidza kumugumo wezera rezvicherwa. Chidzidzo ichi chinosimbisa kuti zvivakwa zvese zvesimba zvitsva zvinofanirwa kuve zvakagadzikana kubva zvino zvichienda mberi kana tichida kudzivirira kuvharika muzvisungo zvehutsi zvinozotungamira pasirese kudarika zvinangwa zvechibvumirano cheParis. "
Kudzidza, rakabudiswa mumagazini inonzi Nature Communications, vakashandisa mhando dzemakombiyuta kufungidzira kuti tembiricha yepasi rose ingakwira zvakadini kana kugadzirwa kwemafuta efossil kukatanga pakarepo. Hupenyu hwezvidyarwa zvemagetsi hwakaiswa pamakore makumi mana, mota avhareji yemakore gumi nemashanu uye ndege makore makumi maviri nematanhatu. Iro basa rinotorawo kupera nekukurumidza kwekudya kwemombe uye mukaka, iyo inokonzeresa kuburitsa kwakakosha kwepasirese.
Muchiitiko ichi, mamodheru anoratidza kuburitsa kabhoni kwaizodzikira kusvika zero pamakumi mana emakore anotevera uye pachave nemukana we66% wekukwira kwekushisa kwepasirese kusara pasi pe1.5C. Kana phaseout ikasatanga kusvika 2030, mukana uri 33%.
Ongororo iyi haina kusanganisa mukana wekupa mapoinzi sekuburitswa kwakangoerekana kwaitwa mavhoriyamu mahombe emethane kubva kupermafrost, izvo zvinogona kumutsa kudziya kwepasirese.
Masayendisiti anobvuma kuti mamiriro avo ari pamagumo echishuwo, asi akati zvakakosha kuziva kuti kusangana nechinangwa che1.5C kwaive kuchiri kugona uye zvinoenderana nesarudzo dzakaitwa izvozvi uye mumakore anotevera. "Mamiriro ekunze haasi kukumisa [kurova chinangwa], nzanga yepasi rose iri kukumisa," akadaro Smith.
Rimwe basa, uchishandisa nzira yakasiyana, yakaratidzawo kuti kuchengetedza mukati memuganhu we 1.5C zvinogoneka kana chiito chakasimba chikatorwa pakarepo. Mune mamwe mativi, zero-kabhoni tekinoroji yatovepo, senge renewable simba. Asi mune dzimwe, dzakadai sokubhururuka nendege, hazviiti. "Pamwe mhinduro pano iri kubhururuka zvishoma," akadaro Smith.
Prof Dave Reay, vekuUniversity yeEdinburgh, avo vanga vasiri muchikwata chevatsvakurudzi, vakati: “Kunyangwe kuri kuchera tsime regasi idzva, kuchengeta chiteshi chemagetsi chemarasha chakavhurika, kana kutotenga motokari yedhiziri, sarudzo dzatinoita. nhasi ichanyatso sarudza nzira dzemamiriro ekunze emangwana. Mharidzo yechidzidzo chitsva ichi ine ruzha uye yakajeka: ita izvozvi kana kuona mukana wekupedzisira weramangwana rakachengeteka remamiriro ekunze richipera. "
Kutenda kwaSmith ndekwekuti kupisa kwepasi rose kuchapfuura 1.5C. “Tiri kufamba nenzira kwayo, asi handifunge kuti tichaita zvakakwana, nekukasira. Ndinofunga tiri kunanga ku2C kusvika 2.5C. "
Asi akawedzera kuti: “Kana usina chinangwa, hapana kwaunosvika. Kana uine chinangwa chakaoma chaizvo kuita uye ukachipotsa zvishoma, zviri nani pane kungodzungaira usina chinangwa mumamiriro ekunze asina kunaka kune chero munhu.”
ZNetwork inopihwa mari chete kuburikidza nerupo rwevaverengi vayo.
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