Kutentha kwapadziko lonse lapansi kudapitilirabe mosasunthika ngakhale kutsekedwa kwa Covid, ndikuyaka moto koopsa ku Arctic ndi mkuntho wam'malo otentha ku Atlantic
Mavuto azanyengo adapitilirabe kuchitika mu 2020, ndikutentha kophatikizana kwapadziko lonse lapansi kwodziwika, koopsa kutentha ndi kujambula moto wolusa ku Arctic, Ndi lembani mikuntho 29 yotentha ku Atlantic.
Ngakhale a 7% imagwera pakuyaka mafuta chifukwa cha kutsekeka kwa ma coronavirus, mpweya woipa wa carbon dioxide udapitilizabe kukula mumlengalenga, ndikupanganso mbiri yatsopano. Kutentha kwapakati padziko lonse lapansi mu 2020 kunali 1.25C kuposa nthawi yamakampani isanachitike ya 1850-1900, moyandikira pafupi ndi chandamale cha 1.5C chokhazikitsidwa ndi mayiko adziko lapansi kupewa zovuta zoyipa kwambiri.
Ndi 2016 yokha yofanana ndi kutentha mu 2020, koma chaka chimenecho chinawona zachilengedwe El Niño nyengo yomwe imalimbikitsa kutentha. Popanda izi mwina 2020 ukadakhala chaka chotentha kwambiri. Asayansi achenjeza kuti popanda kuchitapo kanthu mwachangu mtsogolo mwa mamiliyoni ambiri a anthu "amawoneka akuda".
Zambiri zakutentha zotulutsidwa ndi European Union's Ntchito Yokhudza Kusintha Kwanyengo ku Copernicus (C3S) idawonetsa kuti zaka zisanu ndi chimodzi zapitazi zakhala zaka zisanu ndi chimodzi zotentha kwambiri m'mbiri yonse. Adawonetsanso kuti Europe idawonapo chaka chake chotentha kwambiri polemba, 1.6C pamwamba pa avareji yayitali, ndikutentha kutentha kwamphamvu kukugunda kumadzulo kwa Europe kumapeto kwa July ndi kumayambiriro kwa August.
Ku Arctic ndi kumpoto kwa Siberia kunali kotentha kwambiris mu 2020, wokhala ndi dera lalikulu 3C kuposa kuposa nthawi yayitali komanso malo ena opitilira 6C apamwamba. Izi zidadzetsa moto waukulu, wokhala ndi matani 244m a CO2 yotulutsidwa mkati mwa Arctic Circle. Madzi oundana am'nyanja ya Arctic analinso wotsika kwambiri, ndi Julayi ndi Okutobala akuwona zocheperako pang'ono zolembedwa za miyezi imeneyo.
"[Chaka] 2020 chimaonekera chifukwa cha kutentha kwake kwapadera mu Arctic, "Atero a Carlo Buontempo, director of C3S. "Palibe chodabwitsa kuti zaka khumi zapitazi zinali zotentha kwambiri zomwe zidalembedwapo, komanso ndichikumbutso china chofulumira chotsitsa mpweya wofuna kutchinjiriza zovuta zanyengo."
"Zochitika zapadera zanyengo za 2020 zikutiwonetsa kuti tilibe nthawi yotaya," atero a Matthias Petschke, ku European Commission. "Zikhala zovuta, koma mtengo wogwira ntchito ndi waukulu kwambiri."
"Ngakhale kuti El Niño sanakhudzidwe kwambiri ndi kutentha kwapadziko lonse lapansi [tikuyandikira moopsa malire a 1.5C," atero Prof Dave Reay, ku Yunivesite ya Edinburgh. "Zotsekereza za Covid padziko lonse lapansi zitha kupangitsa kuti zizimitsa mpweya pang'ono, koma CO2 kudziunjikira m'mlengalenga kukuyendabe mwachangu. Pokhapokha ngati mavuto azachuma padziko lonse lapansi ochokera ku maloto oopsa a 2020 sangakhale obiriwira, tsogolo la mamiliyoni ambiri padziko lonse lapansi limawoneka lakuda. ”
Mulingo wa CO2 m'mlengalenga zidafika pachimake mu 2020, kuchepa kwa mpweya chifukwa cha Covid kutsekedwa kotchedwa "blip yaying'ono" ndi UN Meteorological Organisation ya UN. A Vincent-Henri Peuch, director of the Copernicus Atmosphere Monitoring Service, adati: "Mpaka dziko lonse lapansi litatsika mpaka zero, CO2 zipitilizabe kuchulukana mumlengalenga ndi kuyambitsa kusintha kwanyengo. ”
UK Anakonza Maofesi Lachisanu Lachisanu kuti CO2 milingo idutsa chinthu chatsopano mu 2021 - kukhala 50% kuposa momwe Industrial Revolution idalili. Asayansi ake adati CO2 ipitilira magawo 417 miliyoni (ppm) kwa milungu ingapo kuyambira Epulo mpaka Juni, yomwe ndi 50% kuposa 278 ppm kumapeto kwa zaka za zana la 18 pomwe ntchito zamakampani zidayamba.
Izi zili choncho ngakhale kuyembekezera kuti nyengo ya nyengo yomwe mnzake wa El Niño, La Niña, adzaone, kukwera kwachilengedwe m'nkhalango zam'malo otentha zomwe zitha kutulutsa mpweya wa anthu.
“Gulu la CO linapangidwa ndi anthu2 mumlengalenga mukuthamanga, "atero Prof Richard Betts ku Met Office. “Zidatenga zaka 200 kuti milingo ikwere ndi 25%, koma tsopano patadutsa zaka 30 tikuyandikira 50%. Mpweya wapadziko lonse uyenera kuchepetsedwa mpaka zaka 30 zikubwerazi ngati kutentha kwanyengo kuli kokha ku 1.5C. ”