Abin da Scarp, Scotland ya bayyana game da sake amfani da robobin teku

Aikace-aikacen, littattafai, fina-finai, kiɗa, nunin talbijin, da zane-zane suna ƙarfafa wasu daga cikin ƙwararrun mutanenmu a cikin kasuwanci a wannan watan

Tawagar da ta sami lambar yabo ta ƴan jarida, masu zanen kaya, da masu daukar hoto na bidiyo waɗanda ke ba da labarun iri ta hanyar ruwan tabarau na Kamfanin Fast.

Haɗin bakin teku ya daɗe ya zama wani ɓangare na rayuwa ga al'ummomin tsibirin.A gefen kudu maso yammacin Scarp, wani ƙaramin tsibiri mara bishiya a bakin tekun Harris a cikin Ƙasar Hebrides na Scotland, Mol Mòr ("babban rairayin bakin teku") shine inda mazauna wurin suka je don tattara itacen drift don gyaran gine-gine da yin kayan daki da akwatin gawa.A yau akwai sauran driftwood da yawa, amma yawan ko fiye da filastik.

An yi watsi da Scarp a cikin 1972. Yanzu ana amfani da tsibirin ne kawai a lokacin rani ta wurin masu ƙananan gidaje na hutu.Amma a duk faɗin Harris da Hebrides, mutane suna ci gaba da yin amfani da kayan ado na kayan ado na bakin teku.Yawancin gidaje za su sami ƴan tutoci da tarkacen jirgin ruwa da ke rataye a kan shinge da madogaran ƙofa.Bakar bututun PVC mai baƙar fata, a cikin wadataccen abinci daga gonakin kifin da guguwa ta lalata, galibi ana amfani da shi don magudanar ruwa na ƙafa ko cike da siminti kuma ana amfani da shi azaman shingen shinge.Ana iya raba manyan bututu mai tsayi don yin ramukan ciyarwa ga shahararrun shanun tudu.

Ana amfani da igiya da raga a matsayin iska ko hana zaizayar ƙasa.Yawancin mazauna tsibirin suna amfani da akwatunan kifi—manyan akwatunan robobi da aka wanke a bakin teku—don ajiya.Kuma akwai wata karamar masana'antar kere-kere da ke mayar da abubuwan da aka samo a matsayin abubuwan tunawa na yawon bude ido, suna juya tat ɗin filastik zuwa wani abu daga masu ciyar da tsuntsaye zuwa maɓalli.

Amma wannan tafiye-tafiyen rairayin bakin teku, sake yin amfani da su, da sake amfani da manyan abubuwan robobi ba su ma zame saman matsalar ba.Ƙananan guntuwar robobi waɗanda ke da wahalar tattarawa sun fi shiga cikin sarkar abinci ko kuma a ja su cikin teku.Guguwa da ke katsewa a bakin kogi sukan bayyana wani yanayi mai ban tsoro na robobi, tare da yadudduka na tarkacen filastik a cikin ƙasa ƙafa da yawa a ƙasa.

Rahotannin da ke nuni da girman gurbacewar robobi na tekunan duniya ya zama ruwan dare a cikin shekaru 10 da suka gabata.Kiyasin adadin robobin da ke shiga cikin tekunan kowace shekara ya kai ton miliyan 8 zuwa tan miliyan 12, kodayake babu yadda za a iya auna hakan daidai.

Ba sabuwar matsala ba ce: Daya daga cikin mazauna tsibirin da ya kwashe shekaru 35 yana hutu a kan Scarp ya ce ire-iren abubuwan da ake samu a Mol Mòr sun ragu tun lokacin da birnin New York ya daina zubar da shara a teku a shekara ta 1994. Amma an samu raguwar bambancin. fiye da wanda ya yi daidai da karuwar yawa: Shirin Radiyon BBC 4 na Costing the Earth ya ruwaito a shekara ta 2010 cewa sharar robobi a bakin teku ya ninka sau biyu tun 1994.

Haɓaka wayar da kan jama'a game da robobin teku ya haifar da ƙoƙarin gida don kiyaye tsabtar rairayin bakin teku.Sai dai adadin jifar da aka tattara ya sanya tambayar me za a yi da ita.Hoton filastik na teku-yana lalacewa tare da tsayin daka ga hasken rana, wani lokacin yana da wuyar ganewa, kuma yana da wahala a sake sarrafa shi yayin da yake gurɓata da gishiri kuma galibi tare da rayuwar teku ta girma a samansa.Wasu hanyoyin sake yin amfani da su na iya yin nasara kawai tare da matsakaicin rabo na 10% robobin teku zuwa 90% filastik daga tushen gida.

Ƙungiyoyin gida wani lokaci suna aiki tare don tattara robobi masu yawa daga rairayin bakin teku, amma ga hukumomin yankin ƙalubalen shine yadda za a magance wani abu mai matsala wanda ke da wuya ko kuma ba zai yiwu a sake yin amfani da shi ba.Madadin shine zubar da ƙasa tare da kusan $100 akan kuɗin tan.Malama kuma mai yin kayan adon Kathy Vones da ni mun bincika yuwuwar sake amfani da robobin teku a matsayin albarkatun ƙasa don firintocin 3D, wanda aka sani da filament.

Misali, polypropylene (PP) na iya sauƙaƙa ƙasa kuma a siffata shi, amma dole ne a haɗa shi da 50:50 tare da polylactide (PLA) don kiyaye daidaiton da firinta ke buƙata.Hada nau'ikan robobi irin wannan mataki ne na baya, ta ma'anar cewa sun fi yin wahala a sake sarrafa su, amma abin da mu da wasu muka koya ta hanyar binciken sabbin hanyoyin amfani da kayan na iya ba mu damar ɗaukar matakai biyu gaba nan gaba.Sauran robobi na teku irin su polyethylene terephthalate (PET) da polyethylene mai girma (HDPE) suma sun dace.

Wata hanyar da na duba ita ce narke polypropylene igiya a kan wuta da kuma amfani da ita a cikin injin gyare-gyaren allura da aka inganta.Amma wannan dabarar tana da matsaloli tare da kiyaye daidaitaccen zafin jiki, da kuma hayaki mai guba.

Mawallafin Yaren mutanen Holland Boyan Slat aikin Tsabtace Tekun ya kasance mai himma sosai, yana da niyyar maido da kashi 50% na Babban Sharar Fashin Fashi a cikin shekaru biyar tare da babban gidan yanar gizo da aka dakatar da shi daga bututun da za a iya zazzagewa wanda ke kama robobi kuma ya zana shi cikin dandalin tattarawa.Koyaya, aikin ya shiga cikin matsaloli, kuma a kowane hali zai tattara ɓangarorin da suka fi girma a saman.An kiyasta cewa yawancin robobin teku barbashi ne da ba su wuce milimita 1 ba a girman da aka dakatar a cikin ginshiƙin ruwa, tare da ƙarin robobin da ke nutsewa zuwa benen teku.

Waɗannan zasu buƙaci sabbin mafita.Cire ɗimbin robobi a cikin muhalli matsala ce mai muni da za ta kasance tare da mu tsawon ƙarni.Muna buƙatar ƙoƙarce-ƙoƙarce na haɗin gwiwa daga 'yan siyasa da masana'antu da sabbin ra'ayoyi - waɗanda a halin yanzu babu su.

Ian Lambert wani farfesa ne a fannin zane a Jami'ar Edinburgh Napier.An sake buga wannan labarin daga Tattaunawar ƙarƙashin lasisin Creative Commons.Karanta ainihin labarin.


Lokacin aikawa: Agusta-30-2019
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