UMBUZO
Kuyini ukuhwebelana phakathi kokudalwa kwamandla aluhlaza kanye nokucekelwa phansi kwezimayini
2022-04-26

What is the trade-off between green energy creation and mining destruction


Ukutholakala kwe-tellurium kubangela inkinga: ngakolunye uhlangothi, kuyadingeka ukudala inani elikhulu lemithombo yamandla aluhlaza, kodwa ngakolunye uhlangothi, izinsiza zezimayini zingenza umonakalo omkhulu emvelweni.


Kuyini ukuhwebelana phakathi kokudalwa kwamandla aluhlaza kanye nokucekelwa phansi kwezimayini

Ngokombiko we-MIT Technology Review, abacwaningi abatholakala ngaphansi kolwandle lwensimbi engavamile, kodwa ikakhulukazi balethe ukutholakala inkinga ecindezelayo: ohlelweni lokuxhashazwa kwemithombo yemvelo, lapho kufanele sidwebe khona umugqa.


Ngokusho kwe-BBC, ososayensi bathole i-tellurium ecebile kakhulu engavamile yomhlaba ezintabeni zasolwandle ngamamayela angu-300 ukusuka ogwini lweziqhingi zase-canary. Cishe ngamamitha angu-1,000 ngaphansi kobuso bolwandle, idwala elingama-intshi amabili-intshi eliwugqinsi ezintabeni ezingaphansi kolwandle liqukethe i-tellurium yensimbi engavamile ngaphezu kokuphindwe izikhathi ezingu-50,000 kunezwe.


I-Tellurium ingasetshenziswa kwamanye amaseli elanga asebenza kahle kakhulu emhlabeni, kodwa futhi inezinkinga okunzima ukuzisebenzisa, njengezinsimbi eziningi ezingavamile. Intaba ingakhiqiza amathani angu-2,670 e-tellurium, okulingana nengxenye yesine yomhlaba wonke, ngokusho kwephrojekthi eholwa nguBram Murton.


Akukhona okokuqala ukuthi ukumbiwa kwezinsimbi ezingavamile kuqashelwe. Zonke izinsimbi zaziwa ukuthi zikhona emadwaleni phansi olwandle, futhi ezinye izinhlangano zibonise isithakazelo sokuzimba. I-Nautilus Minerals, inkampani yaseCanada, ekuqaleni ibibhekene nokuphikiswa kukahulumeni, kodwa manje isebenzela ukukhipha ithusi negolide ogwini lwasePapua ngo-2019. ukuqala ngokusemthethweni. Izinsiza ezingaphansi kolwandle ziyathandeka, futhi ucwaningo lwethu lwamanje mayelana nezimoto zikagesi namandla ahlanzekile lukhulise isidingo sezinsimbi ezingavamile nezinsimbi eziyigugu. Izinsiza zomhlaba manje ziyabiza ukuzisebenzisa, kodwa ukufinyelela kulezi zinsiza kusuka phansi olwandle kubonakala sengathi kuzohlangabezana nesidingo esikhulayo samandla ahlanzekile esikhathini esizayo. Futhi kuyacaca ukuthi abathuthukisi bangenza inzuzo enkulu.


Kodwa okuyindida ukuthi manje kunezazi eziningi ezikhathazekile ngokonakala kwemvelo kwalezi zinhlelo. Ekuqaleni kwalo nyaka, isibonelo, ukuhlaziya ukuhlolwa kwezimayini ezijuleni kolwandle kubonise ukuthi ngisho nezilingo ezincane zingabhubhisa imvelo yasolwandle. Ukwesaba ukuthi isenzo esikhulu sizoholela ekubhujisweni okukhulu. Futhi akucaci uma i-ecosystem iphazamisekile, izodala kanjani imiphumela emibi kakhulu, futhi ingase iphazamise amaphethini wesimo sezulu okushayela olwandle noma ukuhlukaniswa kwekhabhoni.


Ukutholakala kwe-Tellurium kuphakamisa inkinga ephazamisayo: ngakolunye uhlangothi, kuyadingeka ukudala inani elikhulu lemithombo yamandla aluhlaza, kodwa ngakolunye uhlangothi, lezi zinsiza zezimayini zingabangela ukulimala okukhulu emvelweni. Lokhu kuphakamisa umbuzo wokuthi ngabe izinzuzo zangaphambili ziyayidlula yini imiphumela engaba khona yalokhu kwakamuva. Ukuphendula lo mbuzo akulula, kodwa ukucabanga ngawo kusinika ukuqonda okwengeziwe kokuthi sikulungele ngempela ukuhlola ukubaluleka kwawo okugcwele.


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