Pane chirongwa chikuru chekushambadza chenyika, chinopihwa mari neindasitiri yemafuta uye vamwe vanombofungira, kutendeudzira veruzhinji kuti matanho ekudzikisa kuburitswa kwegasi regreenhouse (GHG) uye kudziyisa kwepasirese kunozokonzera kurasikirwa kukuru kwemabasa. Mushandirapamwe wekushambadza uyu unoyambira nezvekukura zvishoma nezvishoma uye kurasikirwa kwemazana ezviuru emabasa, pamwe kunyange mamirioni emabasa, kana kumwe mutsauko wezvikumbiro zvazvino zviri kukakavara neCongress zvikaitwa mutemo.
Muchokwadi, mhando dzehupfumi dzakajairwa dzinoratidza kuti matanho akagadzirirwa kudzikisa GHG nekukwidza mitengo yemagetsi anozotungamira kune imwe mutengo maererano nekunonoka kukura kwehupfumi. Uye kunonoka kukura kwehupfumi kunoreva mabasa mashoma, kunyangwe kukanganisa kunenge kuri kushoma pane zvakaratidzwa munyaya idzi dzinotyisa.
Nekudaro, nyaya dzinotyisa dzeindasitiri yeoiri pamusoro pekurasikirwa nebasa hadzimbozviisi mune chero mamiriro ezvinhu. Mune mienzaniso iyi, chero chiyero chehurumende chinovhiringidza migumisiro yemusika inenge netsanangudzo inoderedza kushanda, zvichiita kuti hupfumi huwedzere uye mabasa mashoma. Kuedza kunonotsa kudziya kwepasi kunowira muchikamu ichi, asi ndizvo zvimwe zvese, uye zvinhu zvakawanda muchikamu chezvimwe zvese zvine simba rakakura.
Semuenzaniso, mari yekudzivirira inoreva kuti hurumende iri kubvisa zviwanikwa kubva mukushandiswa kwakatemwa nemusika uye pachinzvimbo ichizvishandisa kutenga zvombo uye zvekushandisa uye kubhadhara mauto nevamwe varwi. Mumhando dzehupfumi dzakajairwa, mari yekudzivirira inodonhedza hupfumi, inoderedza kushanda zvakanaka, inononoka kukura uye inodhura mabasa.
Makore mashoma apfuura, Center for Economic and Policy Research yakatuma Global Insight, imwe yemafemu anotungamira ekuenzanisa hupfumi, kuti igadzirise kukanganisa kwekuwedzera kwakasimba kwekushandisa mari yekudzivirira yakaenzana ne1.0 muzana yeGDP. Izvi zvaive zvakaenzana nemutengo wehondo yeIraq.
Modhi yeGlobal Insight yakaratidza kuti mushure memakore makumi maviri hupfumi hwaizove hudiki nezvikamu 20 kubva muzana nekuda kwekuwedzera mari yekudzivirira. Kukura zvishoma nezvishoma kunoreva kurasikirwa kweanenge 0.6 mabasa kana zvichienzaniswa nemamiriro ezvinhu umo mari yekudzivirira yakanga isati yawedzerwa. Kuvaka nekugadzira kwainyanya kurasikirwa nemabasa mukufungidzira, kurasikirwa nemabasa mazana maviri negumi nemazana mapfumbamwe nemakumi mapfumbamwe, zvichiteerana.
Mamiriro atakabvunza Global Insight kuti aite modhi akave akarerutsa zvakanyanya kuwedzera kwemari yekudzivirira ine chekuita nemutemo wazvino. Muchikamu chekupedzisira, mari yekudzivirira yaive yakaenzana ne5.6 muzana yeGDP. Kana tichienzanisa, pamberi pe9/11 kurwiswa, iyo Congressional Budget Hofisi yakaratidza kuti mari yekudzivirira muna 2009 yaizoenzana ne2.4 muzana chete yeGDP. Yedu post-9/11 kuvaka-up yaive yakaenzana ne3.2 muzana mapoinzi eGDP zvichienzaniswa nekutanga kwekutanga. Izvi zvinoreva kuti fungidziro yeGlobal Insight yekurasikirwa nemabasa yakadzikira zvakanyanya.
Kukanganisa kwekushandisa kwepamusoro hakuzove kwakanyatso kuenzana mune idzi mhando dzehupfumi. Zvakadaro, zvinofanirwa kunge zvakati pfuurei zvishoma, asi kana tikangowedzera fungidziro yeGlobal Insight nematatu, tinogona kuwana kuti kukonzeresa kwenguva refu kwekuwedzera kwekushandisa kwedu kwekudzivirira kuchave kudzikiswa kweGDP ye1.8 muzana. Izvi zvingaenderana nemadhora mazana maviri nemakumi mashanu emadhora muhupfumi hwazvino, kana madhora mazana masere ekurasikirwa kwekubuda kumunhu wese munyika.
Iyo inofungidzirwa kurasikirwa nebasa kubva mukuwedzera uku kwekushandisa kwekudzivirira kungave pedyo nemamiriyoni maviri. Mune mamwe mazwi, iwo akajairwa ehupfumi modhi ayo anoronga kurasikirwa nebasa kubva mukuedza kumisa kudziya kwepasirese zvakare inoronga kuti kuwedzera kwemari yekudzivirira kubva 2000 kuchadhura hupfumi hunoda kusvika mamiriyoni maviri emabasa mukufamba kwenguva.
Nekuda kwechimwe chikonzero, hapana munhu akasarudza kuratidza kurasikirwa kwebasa kwakabatana nepamusoro pekudzivirira mari. Muchokwadi, kurasikirwa nebasa kunokonzerwa nekushandisa mari yekudzivirira pamwe hakuna kumbotaurwa munyaya imwe chete yenhau muThe New York Times, Washington Post, National Public Radio, kana chero imwe huru media media. Zvakaoma kuwana tsananguro yakanaka yekusiiwa uku.
Kana tichida kuita nhaurirano yakadzama pamusoro pekukanganisa kwehupfumi kwekuedza kudzikisa GHG ipapo kukanganisa kwehupfumi kunofanirwa kuiswa mumamiriro ezvinhu. Isu tinoziva kuti indasitiri yemafuta inofarira kuchengetedza purofiti yayo, kwete kuzivisa vavhoti. Zvisinei, kana vezvenhau vakakurukura fungidziro dzekurasikirwa nemabasa kubva mukuedza kudzora kudziya kwepasi pasina kuzviisa mumamiriro ezvinhu chero api zvawo, ipapo veruzhinji vangave vakafanira kusava nechokwadi nevavariro dzavo.
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