Tafin Carbon wata alama ce da ke auna tasirin ayyukan ɗan adam a muhalli. Manufar "tafin Carbon" ta samo asali ne daga "tafin muhalli", wanda aka fi bayyana shi a matsayin daidai da CO2 (CO2eq), wanda ke wakiltar jimillar hayakin da ake fitarwa a lokacin samarwa da amfani da mutane.
Tafin Hawan Carbon shine amfani da Kimanta Zagayen Rayuwa (LCA) don tantance fitar da hayakin hayakin da ke haifar da hayakin da wani abu mai bincike ya samar kai tsaye ko a kaikaice a lokacin zagayowar rayuwarsa. Ga wannan abu, wahalar da iyakokin lissafin sawun carbon sun fi fitar da hayakin carbon, kuma sakamakon lissafin ya ƙunshi bayanai game da fitar da hayakin carbon.
Tare da ƙaruwar tsananin sauyin yanayi a duniya da kuma matsalolin muhalli, lissafin tasirin gurɓataccen iskar carbon ya zama muhimmi musamman. Ba wai kawai zai iya taimaka mana mu fahimci tasirin ayyukan ɗan adam akan muhalli daidai ba, har ma zai iya samar da tushen kimiyya don tsara dabarun rage hayaki da kuma haɓaka sauyin kore da ƙarancin gurɓataccen iskar carbon.
Duk tsawon rayuwar bamboo, tun daga girma da ci gaba, girbi, sarrafawa da masana'antu, amfani da samfura zuwa zubar da su, cikakken tsari ne na zagayowar carbon, gami da wurin nutsewar carbon na dajin bamboo, samar da amfani da kayayyakin bamboo, da kuma sawun carbon bayan zubar da su.
Wannan rahoton bincike yana ƙoƙarin gabatar da darajar dashen dazuzzukan bamboo na muhalli da ci gaban masana'antu don daidaita yanayi ta hanyar nazarin ilimin sawun carbon da laƙabin carbon, da kuma tsara binciken sawun carbon da ake da shi a cikin kayayyakin bamboo.
1. Lissafin sawun carbon
① Ra'ayi: Dangane da ma'anar Yarjejeniyar Tsarin Majalisar Dinkin Duniya kan Sauyin Yanayi, sawun carbon yana nufin jimlar adadin carbon dioxide da sauran iskar gas mai gurbata muhalli da aka saki yayin ayyukan ɗan adam ko kuma waɗanda aka fitar a cikin cikakken zagayen rayuwa na samfur/sabis.
Alamar Carbon "bayyananne ne na" sawun carbon na samfura", wanda alama ce ta dijital wacce ke nuna cikakken yanayin rayuwa na fitar da iskar gas mai gurbata muhalli na samfur daga albarkatun ƙasa zuwa sake amfani da sharar gida, tana ba wa masu amfani da bayanai game da fitar da carbon na samfurin a cikin nau'in lakabi.
Kimanta zagayowar rayuwa (LCA) sabuwar hanyar kimanta tasirin muhalli ce da aka ƙirƙiro a ƙasashen Yamma a cikin 'yan shekarun nan kuma har yanzu tana cikin matakin ci gaba da bincike da haɓakawa. Ma'aunin asali don tantance tasirin tasirin carbon na samfur shine hanyar LCA, wacce ake ɗaukarta a matsayin mafi kyawun zaɓi don inganta sahihanci da sauƙin lissafin tasirin carbon.
LCA ta fara gano da kuma auna yawan amfani da makamashi da kayan aiki, da kuma fitar da muhalli a duk tsawon lokacin zagayowar rayuwa, sannan ta kimanta tasirin waɗannan amfani da fitarwa akan muhalli, sannan a ƙarshe ta gano da kuma kimanta damar da za a iya rage waɗannan tasirin. Ma'aunin ISO 14040, wanda aka bayar a shekarar 2006, ya raba "matakan kimanta zagayowar rayuwa" zuwa matakai huɗu: tantance manufa da iyaka, nazarin kaya, kimanta tasiri, da fassara.
② Ma'auni da Hanyoyi:
Akwai hanyoyi daban-daban don ƙididdige sawun carbon a halin yanzu.
A ƙasar Sin, ana iya raba hanyoyin lissafin kuɗi zuwa rukuni uku bisa ga saitunan iyakokin tsarin da ƙa'idodin samfuri: Kimanta Zagayen Rayuwa bisa tsari (PLCA), Kimanta Zagayen Rayuwa na Shigarwa (I-OLCA), da Kimanta Zagayen Rayuwa na Hybrid (HLCA). A halin yanzu, akwai rashin daidaiton ƙa'idodi na ƙasa don lissafin sawun carbon a ƙasar Sin.
A duk duniya, akwai manyan ƙa'idodi guda uku na ƙasa da ƙasa a matakin samfur: "PAS 2050:2011 Bayani don Kimanta Fitar da Iskar Gas ta Greenhouse a lokacin Zagayen Samfura da Rayuwar Sabis" (BSI., 2011), "Gwajin GHGP" (WRI, WBCSD, 2011), da "ISO 14067:2018 Iskar Gas ta Greenhouse - Tafin Samfura na Carbon - Bukatun da Jagorori na Adadi" (ISO, 2018).
A bisa ka'idar zagayowar rayuwa, PAS2050 da ISO14067 a halin yanzu an kafa su ne don kimanta sawun carbon na samfur tare da takamaiman hanyoyin lissafi da ake da su a bainar jama'a, duka biyun sun haɗa da hanyoyi guda biyu na kimantawa: Kasuwanci zuwa Abokin Ciniki (B2C) da Kasuwanci zuwa Kasuwanci (B2B).
Abubuwan da ke cikin kimantawar B2C sun haɗa da kayan aiki, samarwa da sarrafawa, rarrabawa da sayar da kaya, amfani da masu amfani, zubar da kaya ko sake amfani da su, wato, "daga jariri zuwa kabari". Abubuwan da ke cikin kimantawar B2B sun haɗa da kayan aiki, samarwa da sarrafawa, da jigilar kaya zuwa 'yan kasuwa na ƙasa, wato, "daga jariri zuwa ƙofa".
Tsarin ba da takardar shaidar sawun carbon na samfurin PAS2050 ya ƙunshi matakai uku: matakin farawa, matakin lissafin sawun carbon na samfura, da matakai masu zuwa. Tsarin lissafin sawun carbon na samfurin ISO14067 ya ƙunshi matakai biyar: ayyana samfurin da aka nufa, ƙayyade iyakar tsarin lissafi, ayyana iyakar lokacin lissafi, rarrabe tushen fitar da hayaki a cikin iyakar tsarin, da kuma ƙididdige sawun carbon na samfurin.
③ Ma'ana
Ta hanyar yin la'akari da tasirin gurɓataccen iskar carbon, za mu iya gano fannoni da yankuna masu yawan hayaki mai gurbata muhalli, sannan mu ɗauki matakan da suka dace don rage hayakin. Lissafin tasirin gurɓataccen iskar carbon kuma zai iya jagorantar mu don samar da salon rayuwa mai ƙarancin gurɓataccen iskar carbon da kuma tsarin amfani da shi.
Lakabin Carbon wata hanya ce mai mahimmanci ta bayyana hayakin hayakin greenhouse a cikin yanayin samarwa ko zagayowar rayuwar kayayyaki, haka kuma wata hanya ce ga masu zuba jari, hukumomin gwamnati, da jama'a don fahimtar hayakin greenhouse da ƙungiyoyin samarwa ke fitarwa. Lakabin Carbon, a matsayin wata muhimmiyar hanyar bayyana bayanai game da carbon, ya sami karbuwa sosai a ƙasashe da yawa.
Lakabin carbon na kayayyakin noma shine takamaiman amfani da lakabin carbon a kan kayayyakin noma. Idan aka kwatanta da sauran nau'ikan kayayyaki, gabatar da lakabin carbon a cikin kayayyakin noma ya fi gaggawa. Na farko, noma muhimmin tushen fitar da iskar gas mai dumama jiki ne kuma mafi girman tushen fitar da iskar gas mai gurbata muhalli wanda ba carbon dioxide ba. Na biyu, idan aka kwatanta da bangaren masana'antu, bayyana bayanan lakabin carbon a cikin tsarin samar da aikin gona bai kammala ba tukuna, wanda hakan ke takaita wadatar yanayin aikace-aikacen. Na uku, masu amfani suna ganin yana da wahala su sami ingantaccen bayani game da sawun carbon na kayayyakin a bangaren masu amfani. A cikin 'yan shekarun nan, jerin bincike sun nuna cewa takamaiman kungiyoyin masu amfani suna son biyan kudin kayayyakin da ba su da sinadarin carbon, kuma lakabin carbon zai iya rama daidai rashin daidaiton bayanai tsakanin masu samarwa da masu amfani, wanda ke taimakawa wajen inganta ingancin kasuwa.
2, Sarkar masana'antar bamboo
① Yanayin asali na sarkar masana'antar bamboo
Sarkar masana'antar sarrafa bamboo a China ta kasu kashi biyu daga sama, tsakiya, da kuma ƙasa. Daga sama akwai kayan aiki da abubuwan da aka samo daga sassa daban-daban na bamboo, ciki har da ganyen bamboo, furannin bamboo, ganyen bamboo, zare na bamboo, da sauransu. Tsakiyar ta ƙunshi dubban nau'ikan iri a fannoni daban-daban kamar kayan ginin bamboo, kayayyakin bamboo, harbe-harben bamboo da abinci, yin takardar bamboo, da sauransu; Aikace-aikacen kayayyakin bamboo na ƙasa sun haɗa da yin takarda, yin kayan daki, kayan magani, da yawon buɗe ido na al'adun bamboo, da sauransu.
Albarkatun bamboo su ne ginshiƙin ci gaban masana'antar bamboo. Dangane da amfaninsu, ana iya raba bamboo zuwa bamboo don itace, bamboo don rassan bamboo, bamboo don ɓangaren litattafan almara, da kuma bamboo don ƙawata lambu. Daga yanayin albarkatun dazuzzukan bamboo, adadin dazuzzukan bamboo na katako shine kashi 36%, sai kuma rassan bamboo da dazuzzukan bamboo masu amfani biyu, dazuzzukan bamboo na jin daɗin muhalli, da kuma dazuzzukan bamboo na ɓangaren litattafan almara, waɗanda suka kai kashi 24%, 19%, da 14% bi da bi. Dazuzzukan bamboo da dazuzzukan bamboo masu kyau suna da ƙarancin kaso. China tana da wadataccen albarkatun bamboo, tare da nau'ikan 837 da kuma fitar da tan miliyan 150 na bamboo a kowace shekara.
Bamboo shine mafi mahimmancin nau'in bamboo da ya keɓance a China. A halin yanzu, bamboo shine babban kayan da ake amfani da su wajen sarrafa kayan injiniyan bamboo, kasuwar sabon busasshen bamboo, da kuma kayayyakin sarrafa busasshen bamboo a China. A nan gaba, bamboo zai ci gaba da zama babban tushen noman albarkatun bamboo a China. A halin yanzu, nau'ikan manyan kayayyakin sarrafa bamboo guda goma a China sun haɗa da allon wucin gadi na bamboo, bene na bamboo, busasshen bamboo, yin bamboo da takarda, kayayyakin zare na bamboo, kayan daki na bamboo, kayayyakin yau da kullun da sana'o'in hannu na bamboo, gawayi da ruwan inabi na bamboo, abubuwan da aka samo daga bamboo da abubuwan sha, kayayyakin tattalin arziki a ƙarƙashin dazuzzukan bamboo, da yawon buɗe ido na bamboo da kula da lafiya. Daga cikinsu, allunan wucin gadi na bamboo da kayan injiniya sune ginshiƙan masana'antar bamboo ta China.
Yadda ake haɓaka sarkar masana'antar bamboo a ƙarƙashin burin carbon guda biyu
Manufar "dual carbon" tana nufin cewa China na ƙoƙarin cimma kololuwar carbon kafin 2030 da kuma rashin sinadarin carbon kafin 2060. A halin yanzu, China ta ƙara buƙatunta na hayakin carbon a masana'antu da dama kuma ta yi bincike sosai kan masana'antu masu amfani da kore, ƙarancin carbon, da kuma masu inganci a fannin tattalin arziki. Baya ga fa'idodin muhallinta, masana'antar bamboo tana buƙatar bincika yuwuwarta a matsayin matattarar carbon da shiga kasuwar cinikin carbon.
(1) Dajin bamboo yana da nau'ikan albarkatun nutsewar carbon iri-iri:
A cewar bayanai na yanzu a kasar Sin, yankin dazuzzukan bamboo ya karu sosai a cikin shekaru 50 da suka gabata. Daga hekta miliyan 2.4539 a shekarun 1950 da 1960 zuwa hekta miliyan 4.8426 a farkon karni na 21 (ban da bayanai daga Taiwan), karuwar shekara-shekara da kashi 97.34%. Kuma adadin dazuzzukan bamboo a yankin dazuzzukan kasa ya karu daga kashi 2.87% zuwa kashi 2.96%. Albarkatun dazuzzukan bamboo sun zama muhimmin bangare na albarkatun dazuzzukan kasar Sin. A cewar kididdigar albarkatun dazuzzukan kasa ta 6, daga cikin hekta miliyan 4.8426 na dazuzzukan bamboo a kasar Sin, akwai hekta miliyan 3.372 na bamboo, tare da kusan shuke-shuke biliyan 7.5, wanda ya kai kusan kashi 70% na dazuzzukan bamboo na kasar.
(2) Fa'idodin halittun dajin bamboo:
① Bamboo yana da ɗan gajeren zagayen girma, girma mai ƙarfi, kuma yana da halaye na ci gaba mai sabuntawa da girbi na shekara-shekara. Yana da ƙimar amfani mai yawa kuma ba shi da matsaloli kamar zaizayar ƙasa bayan cikakken sarewa da lalacewar ƙasa bayan ci gaba da shuka. Yana da babban yuwuwar ɓoye carbon. Bayanan sun nuna cewa adadin carbon da aka ƙayyade a kowace shekara a cikin laka na bishiyoyin dajin bamboo shine 5.097t/hm2 (ban da samar da shara na shekara-shekara), wanda ya ninka na fir na China sau 1.46.
② Dazuzzukan bamboo suna da yanayi mai sauƙi na girma, nau'ikan girma daban-daban, rarrabuwar rabe-rabe, da kuma bambancin yanki mai ci gaba. Suna da babban yanki na rarraba ƙasa da kuma nau'ikan da ke da faɗi, galibi suna yaɗuwa a larduna da birane 17, waɗanda suka fi yawa a Fujian, Jiangxi, Hunan, da Zhejiang. Suna iya dacewa da ci gaba mai sauri da girma a yankuna daban-daban, suna samar da tsare-tsare masu rikitarwa da kusanci na carbon da hanyoyin sadarwa masu ƙarfi na nutsewar carbon.
(3) Sharuɗɗan cinikin dajin bamboo na carbon sun cika:
① Masana'antar sake amfani da bamboo ta cika sosai
Masana'antar gora ta shafi fannoni daban-daban na masana'antu na farko, sakandare, da kuma manyan masana'antu, inda darajar fitar da ita ta karu daga Yuan biliyan 82 a shekarar 2010 zuwa Yuan biliyan 415.3 a shekarar 2022, tare da matsakaicin karuwar shekara-shekara sama da kashi 30%. Ana sa ran nan da shekarar 2035, darajar fitar da masana'antar gora za ta zarce Yuan tiriliyan 1. A halin yanzu, an gudanar da wani sabon kirkire-kirkire na tsarin samar da gora a gundumar Anji, lardin Zhejiang, kasar Sin, wanda ke mai da hankali kan cikakken hanyar hada sinadarin carbon a fannin noma daga yanayi da tattalin arziki zuwa hadewar juna.
② Tallafin manufofi masu alaƙa
Bayan gabatar da manufofi biyu na rage fitar da hayaki mai gurbata muhalli, kasar Sin ta fitar da manufofi da ra'ayoyi da dama don jagorantar dukkan masana'antar wajen sarrafa sinadarin carbon. A ranar 11 ga Nuwamba, 2021, sassa goma ciki har da Hukumar Kula da Dazuzzuka da Ciyawar Kasa, Hukumar Ci Gaba da Gyaran Kasa, da Ma'aikatar Kimiyya da Fasaha sun fitar da "Ra'ayoyin Sassan Goma kan Haɓaka Ci Gaban Masana'antar Bamboo Mai Kirkire-kirkire". A ranar 2 ga Nuwamba, 2023, Hukumar Ci Gaba da Gyaran Kasa da sauran sassa sun fitar da "Shirin Aiki na Shekaru Uku don Haɓaka Ci Gaban 'Maye gurbin Roba da Bamboo'". Bugu da ƙari, an gabatar da ra'ayoyi kan haɓaka ci gaban masana'antar bamboo a wasu larduna kamar Fujian, Zhejiang, Jiangxi, da sauransu. A ƙarƙashin haɗin kai da haɗin gwiwar bel ɗin masana'antu daban-daban, an gabatar da sabbin samfuran ciniki na alamun carbon da sawun carbon.
3, Yaya ake ƙididdige sawun carbon na sarkar masana'antar bamboo?
① Ci gaban bincike kan tasirin carbon na kayayyakin bamboo
A halin yanzu, akwai ƙarancin bincike kan tasirin carbon a cikin kayayyakin bamboo a cikin gida da kuma ƙasashen waje. A cewar binciken da ake yi, ƙarfin canja wurin carbon na ƙarshe da adana shi ya bambanta a ƙarƙashin hanyoyi daban-daban na amfani kamar buɗewa, haɗawa, da sake haɗawa, wanda ke haifar da tasiri daban-daban akan tasirin carbon na ƙarshe na samfuran bamboo.
② Tsarin zagayowar carbon na kayayyakin bamboo a duk tsawon rayuwarsu
An kammala dukkan zagayowar rayuwar kayayyakin bamboo, tun daga girma da haɓaka bamboo (photosynthesis), noma da sarrafa su, girbi, adana kayan da aka sarrafa, sarrafa su da amfani da su, zuwa ruɓewar sharar gida (ruɓewa). Zagayen carbon na kayayyakin bamboo a tsawon rayuwarsu ya ƙunshi manyan matakai guda biyar: noman bamboo (shuka, gudanarwa, da aiki), samar da kayan da aka sarrafa (tattara, jigilar su, da adana harbe-harben bamboo ko bamboo), sarrafa kayayyaki da amfani da su (tsari daban-daban yayin sarrafawa), tallace-tallace, amfani, da zubar da su (ruɓewa), wanda ya haɗa da haɗakar carbon, tarawa, adanawa, ɓoyewa, da kuma fitar da hayakin carbon kai tsaye ko a kaikaice a kowane mataki (duba Hoto na 3).
Ana iya ɗaukar tsarin noman dazuzzukan bamboo a matsayin hanyar haɗi ta "tarin da adana carbon", wanda ya haɗa da hayakin carbon kai tsaye ko a kaikaice daga shuka, gudanarwa, da ayyukan sarrafawa.
Samar da albarkatun ƙasa hanya ce ta canja wurin carbon wanda ke haɗa kamfanonin gandun daji da kamfanonin sarrafa kayayyakin gora, kuma yana haɗa da fitar da hayakin carbon kai tsaye ko a kaikaice yayin girbi, sarrafawa ta farko, jigilar kaya, da adana harbe-harben gora ko gora.
Sarrafa da amfani da samfura shine tsarin tattara carbon, wanda ya ƙunshi gyara carbon na dogon lokaci a cikin samfura, da kuma fitar da carbon kai tsaye ko a kaikaice daga ayyuka daban-daban kamar sarrafa naúrar, sarrafa samfura, da amfani da samfurin da aka samar.
Bayan samfurin ya shiga matakin amfani da masu amfani, carbon yana nan a cikin kayayyakin bamboo kamar kayan daki, gine-gine, kayan yau da kullun, kayayyakin takarda, da sauransu. Yayin da tsawon lokacin sabis ke ƙaruwa, za a tsawaita aikin ɓoye carbon har sai an zubar da shi, yana rugujewa da sakin CO2, sannan ya koma yanayin yanayi.
A cewar binciken da Zhou Pengfei et al. (2014) suka yi, an ɗauki allunan yanke gora a ƙarƙashin yanayin buɗewar gora a matsayin abin bincike, kuma an ɗauki "Bayanin Kimantawa don Fitar da Iskar Gas ta Greenhouse na Kayayyaki da Ayyuka a Zagayen Rayuwa" (PAS 2050:2008) a matsayin ma'aunin kimantawa. Zaɓi hanyar kimantawa ta B2B don kimanta fitar da hayakin carbon dioxide da adana carbon na duk hanyoyin samarwa, gami da jigilar kayan masarufi, sarrafa samfura, marufi, da adanawa (duba Hoto na 4). PAS2050 ya tanadar da cewa auna sawun carbon ya kamata ya fara daga jigilar kayan masarufi, kuma ya kamata a auna bayanan matakin farko na fitar da hayakin carbon da canja wurin carbon daga kayan masarufi, samarwa zuwa rarrabawa (B2B) na allunan yanke gora masu motsi daidai don tantance girman sawun carbon.
Tsarin auna sawun carbon na samfuran bamboo a duk tsawon rayuwarsu
Tattara da auna bayanai na asali na kowane mataki na zagayowar rayuwar kayayyakin gora shine ginshiƙin nazarin zagayowar rayuwa. Bayanan asali sun haɗa da zama a ƙasa, amfani da ruwa, amfani da dandano daban-daban na makamashi (kwal, mai, wutar lantarki, da sauransu), amfani da kayan aiki daban-daban, da kuma bayanan da suka samo asali daga kayan aiki da kwararar makamashi. Gudanar da auna sawun carbon na kayayyakin gora a duk tsawon rayuwarsu ta hanyar tattara bayanai da aunawa.
(1) Matakin noman dajin bamboo
Sha da tarawa na carbon: tsiro, girma da ci gaba, adadin sabbin harbe-harben bamboo;
Ajiye Carbon: tsarin dajin bamboo, matsayin matsayin bamboo, tsarin shekaru, biomass na gabobin jiki daban-daban; Biomass na Layer na shara; Ajiye carbon na ƙasa;
Haɗarin Carbon: ajiyar carbon, lokacin ruɓewa, da kuma sakin datti; Haɗarin carbon da ke shaƙar ƙasa; Haɗarin carbon da ake samu daga amfani da makamashi na waje da amfani da kayan aiki kamar aiki, wutar lantarki, ruwa da taki don shuka, gudanarwa, da ayyukan kasuwanci.
(2) Matakin samar da kayan da aka sarrafa
Canja wurin Carbon: girman girbi ko girman harbe-harben bamboo da kuma yawan halittunsu;
Dawowar Carbon: ragowar da aka samu daga harbe-harben katako ko na bamboo, ragowar sarrafa su na farko, da kuma yawansu;
Haɗakar Carbon: Adadin hayakin carbon da ake samarwa ta hanyar amfani da makamashin waje da kayan da ake amfani da su, kamar aiki da wutar lantarki, yayin tattarawa, sarrafawa ta farko, jigilar kaya, adanawa, da amfani da harbe-harben gora ko gora.
(3) Matakin sarrafa samfura da amfani da su
Tsaftace Carbon: biomass na kayayyakin bamboo da sauran kayayyakin;
Dawowar Carbon ko riƙewa: sarrafa ragowar da kuma biomass ɗinsu;
Haɗakar Carbon: Haɗakar carbon da ake samu daga amfani da makamashi na waje kamar aiki, wutar lantarki, abubuwan amfani, da amfani da kayan aiki yayin sarrafa na'urori, sarrafa samfura, da amfani da kayayyakin da aka samar.
(4) Matakan tallace-tallace da amfani
Tsaftace Carbon: biomass na kayayyakin bamboo da sauran kayayyakin;
Haɗakar Carbon: Adadin hayakin carbon da ake fitarwa daga amfani da makamashi na waje kamar sufuri da aiki daga kamfanoni zuwa kasuwar tallace-tallace.
(5) Matakin zubar da shara
Sakin Carbon: Ajiyar Carbon na Kayayyakin Sharar Gida; Lokacin ruɓewa da adadin sakin.
Ba kamar sauran masana'antun gandun daji ba, dazuzzukan bamboo suna samun sabunta kansu bayan an yi amfani da su a kimiyya, ba tare da buƙatar sake dasa dazuzzuka ba. Girman dazuzzukan bamboo yana cikin daidaiton girma kuma yana iya ci gaba da shan iskar carbon mai tsayayye, tarawa da adana iskar carbon, da kuma ci gaba da haɓaka iskar carbon. Adadin albarkatun bamboo da ake amfani da su a cikin kayayyakin bamboo ba shi da yawa, kuma ana iya cimma nasarar iskar carbon na dogon lokaci ta hanyar amfani da kayayyakin bamboo.
A halin yanzu, babu wani bincike kan ma'aunin zagayowar carbon na kayayyakin bamboo a tsawon rayuwarsu. Saboda tsawon lokacin da ake ɗauka ana fitar da carbon a lokacin tallace-tallace, amfani, da kuma zubar da kayayyakin bamboo, yana da wuya a auna sawun carbon ɗinsu. A aikace, kimanta sawun carbon yawanci yana mai da hankali kan matakai biyu: ɗaya shine kimanta ajiyar carbon da hayakin da ke cikin tsarin samarwa daga albarkatun ƙasa zuwa samfura; na biyu shine kimanta kayayyakin bamboo daga shuka zuwa samarwa; na biyu shine kimanta kayayyakin bamboo daga shuka zuwa samarwa.
Lokacin Saƙo: Satumba-17-2024
