Txawm hais tias nws tau ua ub no, Aluminium ntau lawm ntsib ntsej muag kub heev.
Thawj, Bauxite Mining Devastates Ecosystems-Jamaica thiab Brazil tau pom kev tsis txaus ntseeg biodiversity ploj thiab dej paug qias neeg los ntawm cov av nkos liab ntses.
Ib xi nkoos, HALL-HÉREULT cov txheej txheem emits 10-12 tons ntawm kev sib ntu ntawm txhuas yog muaj zog los ntawm cov thee, kev txhawb nqa 1% ntawm kev tawm thoob ntiaj teb.
Thib peb, Smelting tso perfluorocarbons (PFCS) -potent tsev cog khoom roj-thiab cov tshuaj fluoride, uas ua rau cov qoob loo nyob ze nroj tsuag.
Thib plaub, Tus nqi tsis sib xws los ntawm kev sib pauv cov nqi, thiab geopolitical nro (piv txwv li, Tuam Tshoj 55% kev sib tw ua lag luam) cuam tshuam cov saw hlau.
Tsib, Kev sib tw los ntawm cov ntaub ntawv siab heev xws li carbon fiber (ntais tab sis costlier) thiab graphene (siab dua ua haujlwm) kev tshaj tawm tshiab. Cov kev daws teeb meem suav nrog kev xa cov inert anodes kom tshem tawm kev sib xyaw, siv blockchain rau kev coj ua ntawm hydrogen-powered smilogen. Ib puag ncig ib puag ncig, kev lag luam, thiab kev sib raug zoo tseem ceeb rau kev lag luam yav tom ntej.
