Le webhusayithi isebenzisa iikuki ukuqinisekisa ukuba ufumana amava angcono ngelixa ukhangela. Ukucofa u-“Fumana” kuthetha ukuba uyayamkela le migaqo.
Izazinzulu ziphonononga indlela yokusebenzisa i-asbestos kwinkunkuma yemigodi ukugcina isixa esikhulu sekhabhoni diokside emoyeni ukunceda ekulweni nengxaki yemozulu.
I-Asbestos yiminerali yendalo eyayikade isetyenziswa kakhulu njenge-insulation yobushushu kunye ne-flame retardant kwizakhiwo. Olu setyenziso lwaziwa kakhulu ngeempawu zalo ezibangela umhlaza, kodwa luye lwasetyenziswa kwiibhuleki ezithile zeemoto kunye neethayile zesilingi kunye nophahla kwishishini le-chlorine. Nangona amazwe angama-67 okwangoku ethintela ukusetyenziswa kwezinto zefayibha, i-United States ayililo elinye lawo.
Ngoku, abaphandi bagxile kwiintlobo ezithile ze-asbestos ene-fibrous, eziyimveliso yenkunkuma evela kwimigodi. Ngokutsho kwe-Eos, umgangatho ophezulu kakhulu owenza i-asbestos ibe yingozi ekuphefumlweni ikwenza ukuba ixhotyiswe kakuhle ukubamba amasuntswana e-carbon dioxide ahamba emoyeni okanye anyibilikiswe emvuleni. Ingxelo ichaza ukuba indawo ephezulu yee-fibers izenza "zisebenze kakhulu kwaye kube lula ukuziguqula" zibe yi-carbonates engenabungozi xa zidityaniswe ne-carbon dioxide. Le nkqubo yenzeka ngokwendalo xa i-asbestos ivezwa kwiigesi ze-greenhouse.
Ngokutsho kwe-MIT Technology Review, ezi zinto zizinzileyo zinokuvala iigesi ezigcina ubushushu emhlabeni kangangezigidi zeminyaka kwaye zibonakalise ukuba ziyindlela efanelekileyo yokufunxa isixa esikhulu sekhabhoni diokside emoyeni. Izazinzulu zinethemba lokunciphisa ukukhutshwa kwekhabhoni “okukhulu” okuvela kwimisebenzi yemigodi kuqala, zize emva koko zandise imizamo yokunciphisa ukukhutshwa kwegesi ezigcina ubushushu emhlabeni.
UGregory Dipple, umphandi okhokelayo kweli candelo, uxelele i-MIT Technology Review: “Kwiminyaka elishumi ezayo, ukususa i-carbon dioxide kwimigodi kuya kusinceda kuphela sakhe ukuzithemba kunye nobuchule ukuze kuncitshiswe ukukhutshwa kwegesi. Kwaye ukwembiwa kokwenyani kuyenziwa.”
Ngokutsho komsasazi weKottke Ride Home Podcast uJackson Bird (Jackson Bird) uxele ukuba xa ezi zinto zingena elwandle ngokuhamba kwamanzi, kuyenzeka nokuba neeminerali. Izinto eziphilayo zaselwandle zisebenzisa ezi ion ukwenza amaqokobhe namathambo azo ekugqibeleni abe yilitye lekalika kunye nezinye izinto ezibanjwayo. Ilitye lekhabhoni.
Ukugcinwa kwekhabhoni yindlela efunekayo yokunciphisa ubungakanani bekhabhoni dayokhsayidi emoyeni. Ngaphandle kwayo, akunakwenzeka ukuba sifikelele "kwiinjongo zethu zekhabhoni" size siphephe imiphumo emibi kakhulu yengxaki yemozulu.
Izazinzulu zikwahlola indlela yokusebenzisa inkunkuma evela kwamanye amashishini emigodi afana ne-nickel, i-copper, iidayimani kunye neplatinum ukuze zibambe ikhabhoni. Ziqikelela ukuba kusenokubakho izinto ezaneleyo zokuthintela yonke ikhabhoni diokside ekhutshwe ngabantu, kunye nokunye okuninzi, uBird uxela.
Ngoku, uninzi lwezinto zinamathele ematyeni aqinileyo angazange atyhileke emoyeni, nto leyo eya kuqala ezo mpendulo zeekhemikhali. Yingakho izazinzulu ezifunda ngokususwa kwekhabhoni zizama ukufumana iindlela zokwandisa ukuvezwa kunye nokukhawulezisa le mpendulo idla ngokucotha ukuze ziguqule inkunkuma yemigodi ibe ngumkhuthazi onamandla wokuchasana nengxaki yemozulu.
Ingxelo ye-MIT ichaza ukuba zingaphi iindlela zokungenelela ezivavanyiweyo ngokumba izinto, ukuzicola zibe ngamasuntswana amancinci, emva koko zisasazwe zibe ngamaleko amancinci, emva koko zisasazwe emoyeni ukuze kwandiswe ukuvezwa kwendawo yokusabela kwezinto zekhabhoni diokside. Ezinye zifuna ukufudumeza okanye ukongeza iasidi kwikhompawundi. I-Eos ibika ukuba ezinye zisebenzisa neebhaktiriya ukuqalisa iimpembelelo zeekhemikhali.
“Sijonge ukukhawulezisa le nkqubo size siyiguqule ukusuka kwinqwaba yenkunkuma ye-asbestos ibe yi-carbonate deposit engenabungozi kwaphela,” utshilo isazinzulu nge-geomicrobiologist uJenine McCutcheon, ozimisele ukuguqula i-asbestos tailings elahliweyo libe yiMagnesium carbonate engenabungozi. Abadlali bejimnast kunye nabakhweli bamatye basebenzisa izinto ezimhlophe zomgubo ukuphucula indlela yokubamba.
URoger Aines, umlawuli weNkqubo yeCarbon kwiLawrence Livermore National Lab, uxelele iMIT Technology Review wathi: “Eli lithuba elikhulu, elingaphuhliswanga, elinokuphelisa icarbon dioxide eninzi.”
Ingxelo iqhubeka ithi abaxhasi bale nkqubo intsha baxhalabile ngeendleko kunye nemiqathango yomhlaba. Xa kuthelekiswa nezinye iindlela zokunciphisa ezifana nokutyala imithi, le nkqubo ibiza kakhulu. Isenokufuna umhlaba omkhulu ukuze kusasazwe izinto ezintsha ezivunjululweyo ukuze kuncitshiswe kakhulu ukukhutshwa kwekhabhoni, nto leyo eyenza kube nzima ukwandisa.
UBird ukwathe ukuba yonke le nkqubo ingadla amandla amaninzi, kwaye ukuba ayilinganiswanga ngononophelo, isenokunciphisa iingenelo zokubamba ikhabhoni ezama ukuyidala.
Okokugqibela, kukho izinto ezininzi ezixhalabisayo malunga nobuthi bezi zinto kunye nokhuseleko lokuzisebenzisa. I-MIT Technology Review ibonise ukuba ukusasaza uthuli lwe-asbestos emhlabeni kunye/okanye ukulusasaza eluthulini ukuze kwandiswe ukujikeleza komoya kubangele iingozi zokhuseleko kubasebenzi kunye nabemi abakufutshane.
UBird ugqibe kwelokuba nangona kunjalo, le nkqubo intsha isenokuba “yindlela ethembisayo yokongeza ezinye izisombululo ezininzi, kuba sonke siyazi ukuba akuyi kubakho sisombululo sengxaki yemozulu.”
Kukho amawaka eemveliso phaya. Abantu abaninzi baya kwenza into efanayo, okanye phantse ngendlela efanayo, kodwa ngomahluko omncinci. Kodwa ezinye iimveliso ziqulethe izinto ezinobuthi ezinokusilimaza thina okanye abantwana bethu. Kwanomsebenzi olula wokukhetha i-toothpaste unokusenza sixhalabe!
Ezinye iziphumo zemozulu embi kakhulu zinokubonwa - umzekelo, isiqingatha sombona othe tyaba e-Iowa sashiywa emva kokuba iMidwestern United States ibethwe kanobom nge-10 ka-Agasti.
I-Mississippi River Basin igubungela amazwe angama-32 eMelika kunye namaphondo amabini eKhanada, igubungela indawo engaphezulu kwe-1.245 yezigidi zeemayile zesikwere. Shannon1/Wikipedia, CC BY-SA 4.0
Iziphumo zokulinganisa i-flow meter zibonisa ukuba isixa se-nitrogen engaphiliyo (DIN) enyibilikisiweyo ukusuka kwilizwe laseMississippi ukuya kwiGulf of Mexico siyatshintshatshintsha kakhulu minyaka le. Imvula enkulu iya kuvelisa umxholo ophezulu we-nitrogen. Ilungiswe kuLu et al., 2020, CC BY-ND
Ukususela ngo-1958 ukuya ku-2012, kwiziganeko ezinzima kakhulu (ezichazwa njengezona zinzima kakhulu kwi-1% yazo zonke iziganeko zemihla ngemihla), ipesenti yokwehla kwemvula yanda.
Intaba-mkhenkce enkulu kunazo zonke emhlabeni isenokungqubana neSouth Georgia, nto leyo ebeka umngcipheko omkhulu kwizilwanyana zasendle ezihlala apho.
Ngeendlela ezininzi, ibali laseTexas lenkulungwane edlulileyo libonisa ukunyaniseka kwelizwe kumgaqo wokuba abantu balawula indalo.
Ukususela kungcoliseko lomoya olubangelwa ziimoto kunye neelori ukuya ekuvuthweni kwe-methane, uninzi lwezi zinto zikhutshwayo ezibangela utshintsho lwemozulu nazo ziyonakalisa impilo yoluntu.
Ixesha lokuthumela: Novemba-05-2020