Amerika e boroa; K'honthinente ea phetohelo: Geopolitics of Climate Change

MAGE CREDIT: Quantumrun

Amerika e boroa; K'honthinente ea phetohelo: Geopolitics of Climate Change

    Polelo ena e seng ntle haholo e tla tsepamisa maikutlo ho lipolotiki tsa Amerika Boroa kaha li amana le phetoho ea maemo a leholimo pakeng tsa lilemo tsa 2040 le 2050. Ha u ntse u bala, u tla bona Amerika Boroa e loanelang ho loantša komello ha e ntse e leka ho thibela khaello ea lisebelisoa ka bobeli. le ho khutlela ho atileng mebusong ea sesole ea bohatelli ea lilemo tsa bo-1960 ho isa ho bo-90.

    Empa pele re qala, a re hlakiseng lintho tse 'maloa. Sets'oants'o sena - bokamoso bona ba lipolotiki ba Amerika Boroa - ha boa ka ba ntšoa moeeng o mosesaane. Ntho e 'ngoe le e 'ngoe eo u tlil'o e bala e ipapisitse le mosebetsi oa likhakanyo tsa 'muso tse fumanehang phatlalatsa tse tsoang United States le United Kingdom, letoto la mekhatlo ea boinahano e ikemetseng le ea mmuso, hammoho le mosebetsi oa baqolotsi ba litaba ba kang Gwynne Dyer, a. sengoli se ka sehloohong lefapheng lena. Lihokelo tsa mehloli e mengata e sebelisitsoeng li thathamisitsoe qetellong.

    Ho feta moo, setšoantšo sena se boetse se ipapisitse le menahano e latelang:

    1. Matsete a 'muso oa lefats'e ka bophara a ho fokotsa kapa ho fetola phetoho ea maemo a leholimo a tla lula a lekanyelitsoe ho isa ho a le sieo.

    2. Ha ho na boiteko ba ho etsa geoengineering ea polanete.

    3. Mosebetsi oa letsatsi ha e wele tlase boemo ba eona ba hona joale, kahoo e fokotsa mocheso oa lefatše.

    4. Ha ho na katleho e kholo e qapiloeng ho matla a fusion, 'me ha ho matsete a maholo a etsoang lefatšeng ka bophara molemong oa ho tlosa letsoai le letsoai le litsi tsa temo tse otlolohileng.

    5. Ka 2040, phetoho ea maemo a leholimo e tla be e tsoetse pele ho fihla boemong boo ho bona likhase tse futhumatsang lefatše (GHG) sepakapakeng li fetang likarolo tse 450 ho milione.

    6. U bala selelekela sa rona mabapi le phetoho ea maemo a leholimo le litlamorao tse seng monate tseo e tla ba le tsona ho metsi a rona a nooang, temo, litoropo tse lebopong la leoatle, mefuta ea limela le liphoofolo haeba ho sa nkuoe khato khahlanong le eona.

    Ka maikutlo ana, ka kopo bala ponelopele e latelang ka kelello e bulehileng.

    metsi

    Ka bo-2040, phetoho ea boemo ba leholimo e tla baka ho theoha ho hoholo ha pula ea selemo le selemo ho pholletsa le Amerika Boroa ka lebaka la ho atolosoa ha lisele tsa Hadley. Linaha tse anngoeng haholo ke komello ena e tsoelang pele li tla akarelletsa Amerika Bohareng kaofela, ho tloha Guatemala ho pholletsa le Panama, le ho pholletsa le ntlha e ka leboea ea Amerika Boroa—ho tloha Columbia ho ea French Guiana. Chile, ka lebaka la sebaka sa eona se lithaba, e kanna ea ba le komello e feteletseng.

    Linaha tse tla phela hantle ka ho fetisisa (ha re bua hantle) mabapi le pula li tla kenyelletsa Ecuador, halofo e ka boroa ea Columbia, Paraguay, Uruguay le Argentina. Brazil e lutse bohareng kaha sebaka sa eona se seholo se tla ba le liphetoho tse kholo tsa pula.

    Linaha tse ling tse ka bophirimela tse kang Columbia, Peru le Chile, li ntse li tla thabela mehloli e mengata ea metsi a hloekileng, empa le libaka tseo tsa polokelo li tla qala ho fokotseha ha melapo ea tsona e qala ho omella. Hobaneng? Hobane pula e fokolang qetellong e tla fella ka ho fokotsa metsi a hloekileng a tsamaiso ea Orinoco le Amazon River, a fepelang boholo ba libaka tsa metsi a hloekileng k'honthinenteng. Ho fokotseha hona ho tla ama likarolo tse peli tsa bohlokoa ka ho lekana tsa moruo oa Amerika Boroa: lijo le matla.

    Food

    Ka phetoho ea maemo a leholimo e futhumatsang Lefatše ho fihlela ho likhato tse peli ho isa ho tse 'ne ho elella bofelong ba lilemo tsa bo-2040, likarolo tse ngata tsa Amerika Boroa li ke ke tsa ba le pula le metsi a lekaneng ho lema lijo tse lekaneng baahi ba eona. Holim'a moo, lijalo tse ling tsa mantlha li ke ke tsa mela lithempereichara tsena tse phahameng.

    Ka mohlala, lithuto tse tsamaisoang ke Univesithi ea Reading e fumane hore mefuta e 'meli ea raese e lengoang haholo, ke mabalane indica le upland japonica, li ne li le kotsing ea mocheso o phahameng. Haholo-holo, haeba mocheso o ka feta likhato tse 35 tsa Celsius nakong ea palesa ea tsona, limela li ne li tla nyopa, li fane ka lijo-thollo tse fokolang. Linaha tse ngata tsa tropike moo raese e leng sona lijo tse ka sehloohong tse seng li ntse li le mathōkong a sebaka sena sa mocheso sa Goldilocks, kahoo ho futhumala hofe kapa hofe ho eketsehileng ho ka bolela tlokotsi. Kotsi eona ena e teng lijalong tse ngata tsa Amerika Boroa tse kang linaoa, poone, cassava le kofi.

    William Cline, mohlanka-moholo oa Peterson Institute for International Economics, o hakanya hore ho futhumala ha tlelaemete Amerika Boroa ho ka ’na ha etsa hore chai ea mapolasi e fokotsehe ka hoo e ka bang karolo ea 20 ho ea ho 25 lekholong.

    Tšireletso ea matla

    E ka 'na ea makatsa batho ho tseba hore linaha tse ngata tsa Amerika Boroa ke baetapele ba matla a tala. Ka mohlala, Brazil e na le motsoako o mong o motala ka ho fetisisa lefatšeng oa tlhahiso ea matla, e hlahisang karolo e fetang 75 lekholong ea matla a eona ho tsoa lifemeng tse fehlang motlakase. Empa ha sebaka sena se qala ho tobana le komello e ntseng e eketseha le ea ka ho sa feleng, monyetla oa ho sitisoa ha motlakase (bobeli ba brownout le ho tima) o ka eketseha ho pholletsa le selemo. Komello ena ea nako e telele e ka boela ea senya chai ea naha ea 'moba, e leng se tla eketsa theko ea ethanol bakeng sa likepe tsa naha tsa flex-fuel car (ho nka hore naha ha e fetohele likoloing tsa motlakase ka nako eo).  

    Ho phahama ha li-autocrats

    Nako e telele, ho fokotseha ha metsi, lijo le ts'ireletso ea matla ho pholletsa le Amerika Boroa, joalo ka ha palo ea baahi ba kontinente e ntse e hola ho tloha ho limilione tse 430 ka 2018 ho ea ho limilione tse 500 ka 2040, ke mokhoa oa ho baka merusu le phetohelo ea sechaba. Mebuso e futsanehileng haholoanyane e ka ’na ea oela boemong ba naha e hlōlehileng, ha e meng e ka ’na ea sebelisa mabotho a eona ho boloka taolo ka boemo bo sa feleng ba molao oa sesole. Linaha tse nang le litlamorao tse itekanetseng tsa phetoho ea maemo a leholimo, joalo ka Brazil le Argentina, li ka ts'oara sebopeho se itseng sa demokrasi, empa hape li tla tlameha ho phahamisa ts'ireletso ea tsona khahlano le likhohola tsa baphaphathehi ba boemo ba leholimo kapa baahisani ba ka leboea ba nang le sesole.  

    Boemo bo bong bo ka khoneha ho latela hore na linaha tsa Amerika Boroa li kopantsoe joang lilemong tse mashome a mabeli tse tlang ka mekhatlo e kang UNASUR le tse ling. Haeba linaha tsa Amerika Boroa li ka lumela ho arolelana tšebelisano-'moho mehloling ea metsi a k'honthinente, hammoho le matsete a arolelanoang ho marang-rang a macha a lipalangoang le lisebelisoa tsa matla a tsosolositsoeng, linaha tsa Amerika Boroa li ka boloka botsitso ka katleho nakong ea ho ikamahanya le maemo a leholimo a tlang.  

    Mabaka a ho ba le tšepo

    Taba ea pele, hopola hore seo u sa tsoa se bala ke ponelo-pele feela, eseng 'nete. Ke ponelopele e ngotsoeng ka 2015. Ho hongata ho ka etsahala ebile ho tla etsahala pakeng tsa hona joale le lilemo tsa 2040 ho sebetsana le liphello tsa phetoho ea boemo ba leholimo (tse ngata tsa tsona li tla hlalosoa qetellong ea letoto). 'Me habohlokoa ka ho fetisisa, likhakanyo tse boletsoeng ka holimo li ka thibeloa haholo ha ho sebelisoa theknoloji ea kajeno le moloko oa kajeno.

    Ho ithuta haholoanyane ka hore na phetoho ea tlelaemete e ka ama libaka tse ling tsa lefatše joang kapa ho ithuta ka se ka etsoang ho fokotsa phetoho ea tlelaemete le qetellong, bala letoto la rona la phetoho ea maemo a leholimo ka likhokahano tse ka tlase:

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