Kusukela ngoJulayi 1, iQueensland naseNtshonalanga Australia izovimbela izikhwama zepulasitiki ezi-single, ezingasindi ezivela kubathengisi abakhulu, okwenza izifundazwe ziye emthethweni noMthetho, eSouth Australia naseTasmania.
IVictoria isethwe ukulandela amacebo ngo-Okthoba 2017 ukuze alandele izikhwama zepulasitiki ezingasindi kakhulu kulo nyaka, zishiya kuphela eNew South Wales ngaphandle kokuvinjelwa okuhlongozwayo.
Izikhwama zepulasitiki ezinesindayo ezinamandla kakhulu zemvelo?
Futhi amapulasitiki anesindayo nawo angathatha isikhathi eside ukudiliza emvelweni, yize zombili zizogcina ekugcineni njengezimpawu eziyingozi uma zingena olwandle.
USolwazi Sami Kara wase-University of New South Wales uthe ukwethula izikhwama ezisebenzayo ezisebenza kanzima yisisombululo esifushane esifushane.
"Ngicabanga ukuthi kuyisisombululo esingcono kepha umbuzo uwukuthi, kulungile? Kimi akukuhle ngokwanele.
Ingabe ukuvinjwa kwesikhwama esilula kunciphisa inani lepulasitiki esilisebenzisayo?
Ukukhathazeka ngokuthi izikhwama zepulasitiki ezinesindayo zilahlwa ngemuva koNgqongqoshe Wezimo Ezilodwa Ezisetshenzisiwe Zesimo Sesimo Sesimo Sesehlakalo Sokubukeza uShane Rattenbury uku-oda isibuyekezo sohlelo eMthethweni ekuqaleni kwalo nyaka, kucashile "imiphumela yezemvelo.
Noma kunjalo, gcina umbiko kazwelonke wase-Australia omuhle ka-2016-17 uthole ukwehla kwesikhwama sepulasitiki ngemuva kokushiswa kwesikhwama sepulasitiki ngemuva kokuqala kwesikhwama sepulasitiki, ikakhulukazi eTasmania naseMthethweni.
Kepha lezi zinzuzo zesikhashana zesikhashana zingasulwa ukukhula kwabantu, okusho ukuthi sizogcina sinabantu abaningi abadla izikhwama ezinamandla amakhulu kakhulu esikhathini esizayo esiseduze, uDkt Kara waxwayisa.
"Uma ubheka ukwanda kwesibalo sabantu kubikezelwe yi-UN ngo-2050, sikhuluma ngabantu abayizigidi eziyizinkulungwane eziyi-11 emhlabeni," kusho yena.
"Sikhuluma ngabantu abaneminyaka engu-4 billion, futhi uma bonke besebenzisa izikhwama zepulasitiki ezinzima, ekugcineni bazogcina ekugcwalisweni komhlaba."
Enye inkinga ukuthi abathengi bangajwayela ukuthenga izikhwama zepulasitiki, kunokuba baguqule indlela abaziphatha ngayo isikhathi eside.
Yiziphi izinketho ezingcono?
UDkt Kara uthe izikhwama ezisebenzisekayo ezenziwe ngezinto ezinjengokotini ukuphela kwekhambi langempela.
"Yile ndlela esasikwenza ngayo ukukwenza. Ngikhumbula ngingugogo wami, wayevame ukumenza izikhwama zakhe zivela entrab yesalayo, "kusho yena.
"Esikhundleni sokuchitha indwangu endala ngabe iyinika impilo yesibili. Lokho kungumqondo esidinga ukuguqukela kuye. "
Isikhathi sePosi: DEC-21-2023