Iyi webhusaiti inoshandisa makuki kuti uve nechokwadi chekuti unowana ruzivo rwakanakisisa paunenge uchibhurawuza. Kudzvanya "Tora" zvinoreva kuti unogamuchira mitemo iyi.
Masayendisiti ari kutsvaga mashandisirwo easbestos mumarara emigodhi kuchengetedza huwandu hwakawanda hwecarbon dioxide mumhepo kuti ibatsire kugadzirisa dambudziko remamiriro ekunze.
Asbestos chicherwa chechisikigo chaimboshandiswa zvakanyanya sekudzivirira kupisa uye chinodzivirira moto muzvivakwa. Mashandisirwo aya anozivikanwa zvikuru nekuda kwehunhu hwawo hwekenza, asi akashandiswa mune mamwe mabhureki emotokari uye mataira edenga nedenga muindasitiri yechlorine. Kunyangwe nyika makumi matanhatu nenomwe dziri kurambidza kushandiswa kwezvinhu zvefaibha parizvino, United States haisi imwe yadzo.
Iye zvino, vaongorori vari kutarisa kune mamwe marudzi e asbestos ane fibrous, ayo ari marara anobva mumigodhi. Sekureva kwaEos, mhando yepamusoro inoita kuti asbestos ive nengozi pakufemereka inoitawo kuti ikwanise kubata zvidimbu zve carbon dioxide zviri kuyerera mumhepo kana kunyungudika mumvura. Mushumo wacho unotsanangura kuti nzvimbo yakakwirira ye fibers inoita kuti "ishande zvakanaka uye ive nyore kushandura" kuita carbonates dzisina njodzi kana ikasanganiswa ne carbon dioxide. Maitiro aya anoitika ega kana asbestos yasangana negasi rinopisa.
Sekureva kweMIT Technology Review, zvinhu izvi zvinogara kwenguva refu zvinogona kuvhara magasi egreenhouse kwemamiriyoni emakore uye zvakaratidza kuva sarudzo inoshanda yekupinza huwandu hwakawanda hwekabhoni dioxide kubva mumhepo. Masayendisiti anotarisira kutanga agadzirisa kuburitswa kwekabhoni "kwakakura" kubva mumabasa ekuchera migodhi, uye vozowedzera kuedza kuderedza kuburitswa kwegasi regreenhouse.
Gregory Dipple, muongorori mukuru munyaya iyi, akaudza MIT Technology Review kuti: "Mumakore gumi anotevera, kubvisa kabhoni mumigodhi kuchangotibatsira kuvaka chivimbo nehunyanzvi kuitira kuderedza kusvibiswa kwemhepo. Uye kuchera chaiko kunoitwa."
Sekureva kwemutori wenhau weKottke Ride Home Podcast, Jackson Bird (Jackson Bird) akataura kuti kana zvinhu izvi zvikapinda mugungwa kuburikidza nemvura inoyerera, mineralization inoitikawo. Zvisikwa zvemugungwa zvinoshandisa maion aya kuita kuti magoko azvo nemapfupa zvizopedzisira zvava limestone nezvimwe zvinotorwa. Matombo ecarbon.
Kuchengetedza kabhoni inzira inodiwa yekuderedza huwandu hwekabhoni dhayokisaidhi mumhepo. Pasina iyo, hatingakwanise kuzadzisa "zvinangwa zvedu zvekabhoni" uye kudzivirira migumisiro yakaipa yedambudziko remamiriro ekunze.
Masayendisiti ari kutsvagawo mashandisirwo emarara anobva kune mamwe maindasitiri emigodhi akadai senickel, mhangura, madhaimani neplatinum kuti atore kabhoni. Vanofungidzira kuti panogona kunge paine zvinhu zvakakwana zvekumisa kabhoni dhayiokisijeni yese yakamboburitswa nevanhu, nezvimwewo, anodaro Bird.
Iye zvino, zvinhu zvakawanda zvakasungirirwa mumatombo akasimba asina kumbobvira aiswa mumhepo, izvo zvinozotanga maitiro iwayo emakemikari. Ichi ndicho chikonzero nei masayendisiti ari kudzidza nezvekubvisa kabhoni ari kuedza kutsvaga nzira dzekuwedzera kusvibiswa uye kukurumidzisa mhinduro iyi inowanzononoka kuitira kushandura marara emigodhi kuita chinhu chine simba chekudzivirira dambudziko remamiriro ekunze.
Mushumo weMIT unotsanangura kuti mangani mashandisirwo akaedzwa nekuchera zvinhu, kuzvikuya kuita zvidimbu zvitete, wozozviparadzira kuita zvidimbu zvitete, wozozviparadzira nemhepo kuti zviwedzere kusvibiswa. Nzvimbo yepamusoro pechinhu checarbon dioxide. Zvimwe zvinoda kupisa kana kuwedzera acid mukomboni. Eos inoshuma kuti vamwe vanotoshandisa mabhakitiriya kutanga maitiro emakemikari.
"Tiri kutsvaga kukurumidzisa maitiro aya uye kushandura kubva murwi wemarara easbestos kuita carbonate isina njodzi zvachose," akadaro nyanzvi yezvemajini Jenine McCutcheon, uyo akazvipira kushandura matope easbestos akasiyiwa kuita Magnesium carbonate isina njodzi. Vanoita zvekurovedza muviri nevakwiri vematombo vanoshandisa hupfu huchena kuti vabate zvakanaka.
Roger Aines, director weCarbon Program kuLawrence Livermore National Lab, akaudza MIT Technology Review kuti: "Iyi mukana mukuru, usina kugadzirwa, unogona kubvisa kabhoni dhayiokisijeni yakawanda."
Mushumo wacho unoenderera mberi uchiti vatsigiri vehurongwa hutsva uhwu vanonetseka nezvemitengo uye zvirambidzo zvevhu. Kana tichienzanisa nedzimwe nzira dzekudzikisa miti dzakadai sekudyara miti, maitiro aya anodhura. Zvinogonawo kuda ivhu rakawanda kuti zvinhu zvitsva zvipararire zvakakwana kuti zvideredze kuburitswa kwemhepo ine kabhoni zvakanyanya, zvichiita kuti zviome kuwedzera.
Bird akataurawo kuti maitiro ese anogona kushandisa simba rakawanda, uye kana akasayerwa zvakanaka, anogona kuderedza mabhenefiti ekubata kabhoni ari kuedza kugadzira.
Chekupedzisira, pane zvakawanda zvinonetsa pamusoro pechepfu yezvinhu izvi uye kuchengetedzeka kwekubatwa nazvo. MIT Technology Review yakaratidza kuti kuparadzira guruva reasbestos pasi uye/kana kuriparadzira muguruva kuti mhepo ifambe zvakanaka kwakakonzera njodzi kuvashandi nevagari vepedyo.
Bird akagumisa kuti pasinei neizvi, chirongwa chitsva ichi chingave "sarudzo inovimbisa yekuwedzera dzimwe mhinduro dzakawanda, nekuti tese tinoziva kuti hapazovi nemushonga wedambudziko remamiriro ekunze."
Kune zviuru zvezvigadzirwa zviripo. Vanhu vazhinji vanoita chinhu chimwe chete, kana kuti zvakafanana, asi nemusiyano mudiki. Asi zvimwe zvigadzirwa zvine mishonga ine chepfu inogona kukuvadza isu kana vana vedu. Kunyangwe basa riri nyore rekusarudza mushonga wemazino rinogona kutiita kuti tinzwe kunetseka!
Mimwe migumisiro yemamiriro ekunze akaipisisa inogona kuonekwa - semuenzaniso, hafu yechibage chakatsetseka muIowa chakasiyiwa mushure mekunge Midwestern United States yarohwa zvakanyanya musi wa10 Nyamavhuvhu.
Rwizi rweMississippi runofukidza matunhu makumi matatu nemaviri muUnited States nemapurovhinzi maviri muCanada, rune nzvimbo inopfuura makiromita 1.245 miriyoni. Shannon1/Wikipedia, CC BY-SA 4.0
Mhedzisiro yekuyerwa kweflow meter inoratidza kuti huwandu hwe nitrogen inorganic (DIN) yakanyungudutswa kubva kuMississippi basin state kuenda kuGulf of Mexico inochinja zvakanyanya gore rega rega. Mvura zhinji inonaya ichaita kuti nitrogen iwande. Yakagadziridzwa kubva kuna Lu et al., 2020, CC BY-ND
Kubva muna 1958 kusvika 2012, muzviitiko zvakakomba zvikuru (zvinotsanangurwa se1% yakanyanya yezviitiko zvezuva nezuva), chikamu chekuderera kwemvura chakawedzera. Globalchange.gov
Dombo guru rechando pasi rose rinogona kurovera neSouth Georgia, zvichikonzera njodzi huru kumhuka dzesango dzinoridaidza kuti ndimo munogara.
Munzira dzakawanda, nyaya yeTexas yezana remakore rapfuura ndeyekuvimbika kwehurumende kunheyo yekuti vanhu ndivo vanotonga zvakasikwa.
Kubva pakusvibiswa kwemhepo kunokonzerwa nemotokari nemarori kusvika pakudonhedza methane, huwandu hweutsi hunokonzera shanduko yemamiriro ekunze hunokanganisawo hutano hwevanhu.
Nguva yekutumira: Mbudzi-05-2020