Raws li kev hloov pauv rau lub hnab yas ib txwm muaj, txhua yam ntawm kev tiv thaiv ib puag ncig hnab, uas tau tso siab nrog kev cia siab ntawm kev tiv thaiv ib puag ncig thiab muab xaus nrog lub npe ntawm kev tiv thaiv ib puag ncig, yog nrov, thiab tam sim no lawv tau dhau los ua dej nyab. Qhov tshwm sim yog qhov phem tshaj li qhov ua paug ntawm lub hnab yas. Kev paub yooj yim uas peb yuav tsum paub yog tias lub hnab tiv thaiv ib puag ncig tsis yog qhov tseeb ntawm kev tiv thaiv ib puag ncig, tab sis tuaj yeem paub qhov txheeb ze ib puag ncig tiv thaiv nyob rau hauv qee yam kev mob. Qhov txaj muag tiag tiag yog tias tsis muaj ib qho mob uas yuav sib ntsib tam sim no. Qhov sib txawv ntawm cov hnab tsis tiv thaiv kev tiv thaiv ib puag ncig thiab cov hnab yas yog tias cov hnab tsis tiv thaiv kev tiv thaiv ib puag ncig yog yooj yim degrade, thaum lub hnab yas yog qhov nyuaj rau degrade. Txij ntawm no pom, lub hnab tsis-woven tuaj yeem ib txwm hu ua kev tiv thaiv ib puag ncig hnab.
Tam sim no, lub hnab thaiv kev tiv thaiv ib puag ncig siv los ntawm cov neeg tau muab faib ua cov ntawv tiv thaiv kev tiv thaiv ib puag ncig, hnab yas kev tiv thaiv ib puag ncig, hnab tsis tiv thaiv kev tiv thaiv ib puag ncig thiab hnab paj rwb thiab hemp ib puag ncig tiv thaiv hnab raws li lawv cov ntaub ntawv, uas hnab tsis-siv tau ntau dua Cov. Lub Chaw Haujlwm Cheeb Tsam UK (ukea) tau kawm txog kev siv cov khoom siv ntawm cov hnab no, thiab cov txiaj ntsig tau ceeb tias: nyob rau hauv kev siv thiab pov tseg tsis zoo, cov neeg siv khoom yuav tsum siv lub hnab yas thiab rov siv lawv tsawg kawg ib zaug yog tias lawv xav kom txo cov pa phem thiab cov pa carbon ntau ntxiv. - piv txwv, raws li cov hnab khib nyiab lossis lwm yam siv tau thib ob. Ntawm txhua hom kev tshawb xyuas, cov hnab yas ua lub cev ua los ntawm lub siab polyethylene (HDPE) muaj qhov cuam tshuam tsawg kawg nkaus rau ib puag ncig txhua zaus lawv siv. Qhov tsis sib xws, lub hnab uas tsis muaj ntaub yuav xav tau kev pab ntau ntxiv nyob rau hauv tus txheej txheem ntawm kev tsim khoom thiab kev thauj mus los, uas ua rau kom muaj peev xwm thiab qhov hnyav ntawm lub ntiaj teb sov ntau dua li lwm cov ntaub ntawv.
Txawm hais tias lub hnab yas tsis yooj yim rau degrade, lawv yuav tsum muaj kev pab ntau heev los tsim khoom thiab thauj. Cov pa roj carbon emissions, cov pov tseg tsim thiab ntawm cov khoom lag luam ntawm cov hnab yas qis dua qis dua lwm cov khoom siv. Kev tshawb fawb los ntawm UK Chaw Ua Haujlwm Ib Cheeb Tsam tau xam tias kev noj pa roj carbon ntau ntawm txhua lub hnab yas me dua qis dua 2000 grams. Yuav kom ua tiav tib qho kev siv cov pa roj carbon ntau ua cov hnab yas, cov hnab ntawv yuav tsum siv xya zaus, cov hnab tsis-cov hnab ua dua tshiab polypropylene siv dua tshiab yuav tsum siv 26 zaug, thiab hnab ntim cov hnab tsis-woven yuav tsum siv 327 zaug Cov.
GG quot; tej yam kev mob yuav tsum tau ntsib" rau kev tiv thaiv ib puag ncig tau hais los saum toj no yog ua tiav cov kev pabcuam saum toj no. Qhov tseeb, feem coob ntawm cov hnab uas tsis-woven tau muab pov tseg tom qab tsuas yog ib qho kev siv lossis txawm tias tsis siv txhua. Qhov ntau ntawm cov hnab ntawv tsis-tiv thaiv ib puag ncig tiv thaiv cov neeg tau txais kev pab kom kho lawv raws li cov khoom pov tseg, uas mus tawm tsam lawv thawj cov tswv yim tsim. Qhov kev qes qes-qis thiab lub siab tsis tuaj yeem npaj siab kom tsis txhob muaj kev puas tsuaj rau lub ntiaj teb, tab sis nws zoo li tau pab ua lwm yam.