Janine Jackson: Gilashin Antarctic yana narkewa a cikin ɗimbin ban mamaki, masana kimiyya sun gano. Antarctica ba shakka nahiyar ce ta kankara, kusan girman Australiya sau biyu. Komawar glaciers na gaban teku yana haifar da damuwa sosai game da hauhawar matakan teku. Hasashen da ya fi muni na yiwuwar tasiri kusan ba zai yuwu a fahimta ba: biliyoyin mutanen da suka yi gudun hijira? garuruwan bakin teku sun bace?
Duk da haka da Washington Post ya kasance shi kaɗai a cikin manyan kantuna a ciki rahoton sabon binciken. Kafofin watsa labarai na kamfanoni sun, a cikin babba, sun daina nishadantar da ƙin yarda da rushewar yanayi da ɗan adam ke motsawa, amma hakan yana da nisa, mai nisa daga kulawa mai mahimmanci da dorewa wanda zai dace da ɗimbin abubuwan al'ajabi da ke tattare da shi, kuma ya sha bamban da ɗaukar gefe. a cikin tambaya na fifiko aikin baƙonmu yana kira: duniya ko riba?
Dahr Jamail wakilin ma'aikaci a Truthout. Shi ne marubucin, kwanan nan, Yayin da ake son tsayawa takara: Sojan da suka ƙi yakin Iraki da Afghanistan. Sabon littafinsa, Ƙarshen Kankara: Ba da Shaida da Neman Ma'ana a Tafarkin Rushewar Yanayi, yana fitowa daga Sabuwar Jarida, kuma shi ne kawai mai karɓa na kwanan nan Kyautar Izzy 2018 daga Cibiyar Park for Independent Media a College Ithaca, mai suna don m, m jarida IF Stone. Yana tare da mu yanzu ta waya daga Port Townsend, jihar Washington. Barka da dawowa Mazaunin, Dahr Jamal.
Daga Jamal: Na gode. Na gode da kasancewa tare da ku.
JJ: Akwai fiye da guda ɗaya na ayyuka masu dacewa a nan, ba shakka. Menene binciken da kuke son haskakawa, kuma za ku iya gaya mana, a cikin sharuddan ɗan adam, menene wannan sabon binciken ya nuna?
DJ: An buga mafi mahimmanci binciken kwanan nan game da hawan Antarctic da matakin teku Kimiyyar Kimiyya a ranar 18 ga wannan wata, kuma taken karatun shi ne "Sabuntawa ta Glacial Meltwater Yana Haɓaka Narkar da Shelves na Kankara kuma yana Rage Samuwar Ruwan Antarctic. "
Don haka abin da wannan yake nufi shi ne, hatta a Gabashin Antarctic, akwai dusar ƙanƙara da ke narkewa waɗanda a zahiri suke sabunta tekun da ke kewaye da su. Don haka ruwan ruwan kankara ya narke, ya kwarara cikin tekuna, sannan kuma shi ne, ya toshe wani tsari: wanda yawanci sanyi, ruwan teku mai gishiri yana da yawa kuma yana nitsewa zuwa kasa, inda ya zama abin da aka sani da shi. mafi yawan ruwa a duniya, domin shi ne mafi sanyi kuma mafi gishiri.
Don haka abin da ke faruwa shi ne cewa ruwa na kasa yana tsayawa, saboda narkar da wadannan glaciers na bakin teku a wurare biyu na Antarctica: kusa da gabar yammacin Antarctica, da kuma Totten Glacier, wanda ke Gabashin Antarctica. Don haka waɗannan yankuna biyu ne mafi saurin narkewa na nahiyar kankara.
Don haka abin da wannan ke haifarwa, a cewar wannan binciken, ruwan sanyin da ke kan kasa ya daina shiga cikin zurfin, don haka ba ya samar da wannan zurfin zurfin ruwan da zai iya ratsa wuraren da ya saba. Don haka abin da wannan yake nufi shi ne, a halin yanzu wadannan yankuna biyu na glaciers na Antarctica sun kasance a cikin madaidaicin ra'ayi inda suke narkewa, yana haifar da wannan tasiri a kan tekuna, sannan kuma yana haifar da karin narkewa.
Sabili da haka wannan yana da damuwa don dalilai masu yawa. Na daya, cewa da dadewa, masana kimiyya sun yi imanin cewa Antarctica, kasancewar nahiyar kankara, ko dai ba za ta yi tasiri sosai ba sakamakon rugujewar yanayi da dan Adam ke haifarwa, ko kuma a kalla kadan. Amma yanzu abin da wannan ke nufi shi ne, aƙalla kashi 10 cikin XNUMX na glaciers na bakin tekun Antarctica a yanzu suna cikin ja da baya, kuma saboda wannan madaidaicin ra'ayi, wannan ja da baya zai yi sauri, kuma a ƙarshe wannan madaidaicin ra'ayi zai fara faruwa akan sauran glaciers a Antarctica kamar yadda yake. da kyau.
Don haka don hawan matakin teku, mun riga mun san cewa kankarar tekun Arctic yana da ban mamaki narkewa, wanda kawai zai ƙara ƙarfin narkewa a cikin Arctic. Tabbas, Greenland, mun sani, shine narkewa a rikodin rates kuma. Don haka a yanzu tare da Antarctica - adana ban mamaki, sauye-sauye masu ban mamaki na ragewa, a cikin iskar gas CO2 a duk faɗin duniya, a kan ƙayyadaddun lokaci, ba zato ba tsammani - a halin yanzu, a halin yanzu, muna kan hanya, aƙalla, don buga mafi munin tsinkaya na matakin teku, wanda, bisa ga National Oceanic da kuma na iska mai kulawa, yana da ƙafa 8.5 da 2100. Amma waɗannan hasashe mafi muni, abin takaici, ana ci gaba da haɓaka duk lokacin da ƙarin rahotanni, kamar wanda muke tattaunawa a yau, ana fitar da su.
JJ: Dangane da hankali ga abin da yake a fili kusan ci gaba mai mahimmanci, da New York Times yana da babban hoto mai kashi uku yanki A watan Mayun da ya gabata, tare da kyawawan hotuna na Antarctica, da kuma wani nau'in abu na gaskiya. A wani lokaci yanki ya ce, idan matakin teku ya tashi da sauri kamar yadda mafi munin hasashe, zai iya haifar da "mummunan bala'i ba tare da kamanceceniya ba a tarihin wayewa."
Kuma a sa'an nan, tun daga nan, kuma wannan shine Mayu na 2017, da kyau, da Times da gaske bai koma labarin ba. Labaran Antarctica na baya-bayan nan sun kasance game da su penguins, ka sani. Ni dai ban san cewa hankali ya yi daidai ba, kuma akwai dalilai iri-iri na hakan, kuma zan tambaye ku, amma ina so in jefa: Akwai. adadin na ɗaukar hoto, sannan ina so in faɗi ɗan ƙaramin abu game da sautin na ɗaukar hoto, saboda a cikin wancan New York Times yanki, a Kashi na Daya (Kashi uku ne), shi ya lura Masana kimiyyar Amurka da Burtaniya suna aiki don samun ingantacciyar ma'auni a cikin manyan wuraren da ke da matsala, sannan ya kara da cewa, "Kokarin na iya kashe sama da dala miliyan 25, kuma mai yiwuwa ba zai samar da cikakkun amsoshi game da makomar kankara ba har zuwa farkon 2020s." Kuma jumla ta gaba ita ce, "Ga masana kimiyya da ke aiki a Antarctica, lamarin ya zama tseren kan lokaci."
To, tabbas wani ɓangare na dalilin da ya sa ba mu gudu da sauri kamar yadda muke iya ba shine adadin ɗaukar hoto, ko rashin shi, sannan wannan sautin cewa, "Oh, yana da tsada." Ina mamakin abin da kuke yi a gaba ɗaya, akan wannan batu musamman, na hanyar kafafen yada labarai na yada shi.
DJ: A gaskiya abin ya ba ni mamaki, kuma ina tsammanin da gaske kun bugi ƙusa a kai lokacin da kuka tattauna gaskiyar girman wannan rikici da kuma tasirin wannan a kan gabaɗayan wayewar ɗan adam a doron ƙasa, har ma da yin magana game da wasu. nau'in. Kuma wanda zai yi tunanin cewa hakan zai buƙaci matakin ɗaukar hoto wanda zai zama mai karya hanya, gaggawa da goyan baya ta hanyar yin la'akari da duk bayanan kimiyya da ke fitowa a cikin sauri mai sauri a yanzu, ko hawan teku, karuwar zafin jiki. tsinkaya, abin da ke faruwa da methane a cikin arctic, da dai sauransu, da dai sauransu.
Misali, zan ƙara wani zance na Dr. Eric Rignot, masanin glaciologist tare da UC Irvine da NASA's Jet Propulsion Lab, baya cikin 2014, wanda ya ce, "A yau muna gabatar da shaidun gani" - ba muna magana ne game da tsinkaya ba - "shaidar lura cewa babban yanki na Yammacin Antarctic Ice Sheet ya shiga cikin ja da baya da ba za a iya jurewa ba…. Ya wuce ma’anar rashin dawowa”. Shekara hudu kenan.
Don haka gaggawar ta fito fili. Hasashen hawan teku yana ƙaruwa sosai. Muna magana, a cikin dogon gudu, biliyoyin mutane zama gudun hijira ta hanyar hawan matakin teku. Gaba ɗaya megacities a bakin tekun, kamar New York da kuma Tokyo, da za a mayar da su gaba ɗaya, ko kuma a bar su gaba ɗaya zuwa teku.
Don haka tare da kasancewar wannan mahallin, rahoton na, "Oh, Ok, da kyau aƙalla ba mu ba wa masu ƙaryatawa labarin ba…." Muna buƙatar yin rahoto kan ainihin abin da ke faruwa, menene tsinkaya, da abin da wannan ke nufi, saboda yin riya, “Oh, ba haka ba ne,” ko “Har yanzu za mu iya rage shi har zuwa inda. ba za mu sake ƙaura da yawa daga birnin New York ba,” alal misali, ba kawai ɗaukar hoto ba ne.
JJ: Kuma ra'ayin zai iya kashe fiye da dala miliyan 25 - wannan musamman aikin: $ 25 miliyan kuɗi ne! Suna iya cewa cikin sauƙi zai kashe "kadan dala miliyan 25." Tunanin cewa ya kamata mu yi tunani cikin sharuddan miliyoyin daloli da abin da zai iya kashewa, maimakon sanya shi a cikin mahallin abin da za mu rasa…
DJ: Ko sanya shi a cikin mahallin dala miliyan 25 don ƙarin karatu, idan aka kwatanta da kasafin kudin Pentagon, wanda kusan tsakanin $700 da $800 biliyan abin da muka sani na, ba ma magana game da baki kasafin kudin, wanda ke sanya shi sama da dala tiriliyan a duk shekara. Don haka idan muna buƙatar dala miliyan 25 ko miliyan 50 ko kuma, kun sani, sama ta hana, dala biliyan don wasu ƙarin nazarin ilimin kimiyya, ba ma magana game da ragewa da fara shirin ƙaura na mutane da canja wurin ababen more rayuwa, cewa wannan tattaunawar ba ta faruwa. Hankali ne kawai a gare ni.
Domin gaskiyar ita ce, misali, sojojin Amurka, a cikin su Rahoton Bita na Tsaro Quadrennial, sun riga sun yi tsanani m na wannan. Su sani cewa aƙalla rabin sansanonin sojojin ruwansu, manyan sansanonin sojojin ruwa da ke Amurka a bakin teku, dole ne a ƙaura. Suna kallon yadda ruwan ya hau kan magudanar ruwa ya fara lalata ababen more rayuwa. Don haka suna da masaniya game da wannan, amma duk da haka ɗaukar hoto, kamar yadda kuka ambata, a cikin New York Times baya ma kusantar ci gaba da hakan.
JJ: Mun yi magana da Dahr Jamal. Kuna iya bin nasa Wasuwar Rushewar Yanayi at Yana, da littafinsa, Ƙarshen Kankara: Ba da Shaida da Neman Ma'ana a Tafarkin Rushewar Yanayi, zai fita nan ba da jimawa ba Sabuwar Jarida. Dahr Jamail nagode sosai da kasancewa tare damu a wannan satin Mazaunin.
DJ: Jin dadi na. Na gode da kasancewa tare da ku.
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Bada Tallafi