Source: Counterpunch
Wani bincike mai ban mamaki na baya-bayan nan game da asarar ƙanƙara mai yawa a Antarctica da Greenland ya cika hasashen “mafi muni”, kamar yadda Ƙungiyar Ƙungiyoyin Gwamnati kan Canjin Yanayi (IPCC) ta bayyana. Mafarki ne mai ban tsoro ya zama gaskiya, yayin da tasirin dumamar yanayi a duniyar mafi mahimmanci/mafi girman kankara ya ninka sau shida a cikin shekaru 30 kacal. Bai kamata ya faru ba zato ba tsammani, don haka ba zato ba tsammani.
Wani bincike da aka yi a mujallar Nature da wata tawagar kasa da kasa da ta kunshi masana yanayi 89 suka gudanar ya nuna yadda ba a taba yin irinsa ba na narke kankara a mafi girman kankara a duniya. Sun tantance bayanan asarar kankara daga tauraron dan adam 11 wadanda suka sanya ido kan Greenland da Antarctica a cikin shekaru 30 da suka gabata.
Ga gaskiya mai ban tsoro: Haɗin asarar kankara daga Greenland da Antarctica ya kai tan biliyan 89 a kowace shekara a cikin 1990s. Duk da haka, a cikin 2010s (idan a tsaye, don Allah a zauna) matsakaicin adadin ya fashe zuwa tan biliyan 523 a kowace shekara. Wannan abin mamaki ne. Shaida ce da ba za a iya jujjuyawa ba cewa zafin duniya na zuwa da ƙarfi, da ƙarfi sosai, musamman ga mazauna bakin teku.
Andrew Shepherd, Jami'ar Leeds, da Erik Ivins na NASA's Jet Propulsion Lab a California sun yarda cewa tantancewar wata alama ce ta dumamar yanayi a wurin aiki. A cikin kalmominsu: "Ma'aunin tauraron dan adam yana ba da fa'ida ta farko, maimakon mara tushe, shaida."
Saboda haka, hannu ƙasa, tare da sabbin bayanai a hannu, hawan matakin teku na ƙafa biyu-da-ƙasa a tsawon ƙarni yana kama da yarjejeniyar da aka yi. Amma, idan ya riga ya faru da sauri (6xs) fiye da yadda masana kimiyya ke zato zai yiwu, menene hakan ke nufi game da gobe? Shin ƙimar kanta na iya ƙara 8xs ko 10xs ko fiye? Sai me?
Gaskiyar al'amarin: Samfurin masana kimiyya sun kasance a kan hanya, ma'ana mai ra'ayin mazan jiya. Kamar yadda kasuwannin hannayen jarin da suka yi katutu ke tafiya zuwa tsayin daka na baya-bayan nan sabanin tsammanin da wasu masu kula da asusun shinge masu wayo suka yi, dumamar yanayi ta raba nazarin mafi wayo da haske, kuma bisa jerin binciken da aka yi kwanan nan da ke nuna farkon rugujewar yanayin halittu. , Misali, permafrost a cikin babban Arctic yana rushe shekaru 70 gaba da tsammanin (Source: Louise M. Farquharson et al, Canjin Yanayi yana Kokawa da Yadu da Ci gaban Thermokarst mai Saurin Ci gaba a cikin Permafrost mai Sanyi sosai a cikin Babban Arctic na Kanada, Wasiƙun Bincike na Geophysical, Yuni 10, 2019 ).
Wataƙila dumamar yanayi ta rikiɗe zuwa ɗumamar duniya a mafi munin yanayi kuma ta haka ya fi mercurial fiye da yadda ake tsammani zai yiwu. Idan haka ne, to, ku lalata kukan, saboda nan ba da jimawa ba zai zama dole a siyasance don tilasta yunƙurin haɗin kai na duniya, kamar Shirin Marshall Plan, don ɗaukar matakan yaƙi da babbar barazana ta kowane lokaci.
Don haka, mai ƙarfi, bayyananniyar shaidar tasirin ɗan adam akan tsarin yanayi, fiye da ƙarfin yanayi, ya wuce iyakar muhawara. Bayan haka, haɓakar hayaƙin greenhouse da hauhawar yanayin zafi suna gudana zuwa sama a cikin layi daya, kusan mataki-mataki, tare da sakamako mara kyau.
A halin yanzu, daga cikin duk shawarwarin duniya don yaƙar bala'in yanayi, ɗayan mafi ban sha'awa shine Yaƙin Duniya na Zero wanda tsohon Sakataren Harkokin Wajen Amurka John Kerry, tsohon gwamnan California Arnold Schwarzenegger da tsohon gwamnan Ohio John Kasich suka fara. A cewar Terminator: "Ba batun jam'iyya ba ne kwata-kwata saboda babu iskan Demokradiyya ko iskan Republican. Duk muna shakar iska daya. Babu ruwan Demokradiyya ko ruwan Republican. Dukanmu muna shan ruwa ɗaya. Don haka kada ku fada wa waɗannan dabaru. Ba batun siyasa ba ne.”
Suna ba da shawarar fitar da sifili da sauri da wuri ta ɗan adam. A kan hanyar, suna ba da fa'ida a bayyane na juyawa daga burbushin mai zuwa makamashi mai sabuntawa, ko farkon sake farfado da kasuwancin duniya tare da manyan ayyuka na albashi, kama da sabunta masana'antu na farkon 20th Juyin karni daga doki da buggy zuwa motocin da ake amfani da man fetur.
Duk da haka, bisa ga dukkan alamu, tsarin yanayin duniyar ya riga ya canza sosai fiye da kowane lokaci, ko kuma aƙalla a baya a matsayin ainihin shaidar ƙanƙara na shekaru miliyan biyu da suka wuce.
Kaico, haɗarin manyan rugujewar halittu a duk duniya bai taɓa yin yaɗuwa ba. A gaskiya ma, an riga an fara shi. Greenland da Antarctica tabbatacce ne, cikakkiyar hujja. Don haka babbar tambaya ita ce ko bil'adama za ta je bakin aikinta don shawo kan bala'in gwargwadon iko na ɗan adam.
Bayan haka, iskar CO2 da yanayin zafi na duniya sun tashi a cikin kulle-kulle, amma abin da ya fi dacewa a cikin bincike na ƙarshe shine ainihin martanin jiki, kamar ma'aunin narkewar ƙanƙara mafi girma a duniya. Wannan gaskiya ce da ba za a iya tantama ba, duk da haka kusan ba za a iya yarda da ita ba, amma har yanzu ma'auni ne na gaskiyar gaske.
Ayyuka: Shekara daya da ta wuce daya daga cikin masanin kimiyyar yanayi a Amurka Wally Broecker, wanda aka fi sani da “kakan kimiyyar yanayi,” ya rasu yana da shekara 87. Ya kirkiro kalmar “dumamar yanayi,” kuma a shekara ta 1984 ya gargadi Majalisar Wakilai cewa a dauki matakin gaggawa. da ake buƙata don dakatar da tarin iskar gas a cikin sararin samaniya domin, a cikin kalmominsa, “tsarin yanayi na iya tsalle daga wannan jiha zuwa waccan tare da mummunan tasiri.”
Ergo, gargadin nasa na shekaru 36 da suka gabata yanzu ya tsaya kan Majalisa.
Bayan Rubutun Rubutun: A wata hira da BBC ta yi a shekarar 2019, James Lovelock (100) mahaifin ka'idar Gaia ya ce: "Akwai hatsarin gaske na rasa aikin mu a duniya baki daya…. Dole ne mu damu da wannan batu na dumamar yanayi domin idan ba mu yi wani abu game da shi ba, ba za a sami kowa a nan ba… Lokaci ya yi da za mu koma sha'awar muhalli… Menene ya faru da duniyar. lokacin da aka ƙara CO2 a cikin iska? Duniya za ta yi zafi. Zai yi zafi har zuwa lokacin da babu rayuwa akansa irin tamu da za ta yiwu…Lokacin da lokutan wahala suka zo, zai yi sauri sosai. (James Lovelock, Fuskar Gaia mai Bacewa, Gargaɗi na Ƙarshe, Allen Lane, 2010)
ZNetwork ana samun kuɗi ta hanyar karimcin masu karatun sa.
Bada Tallafi