Kev tshawb nrhiav pom lub hnab tseem muaj peev xwm nqa tau khoom muag txawm tias ib puag ncig kev thov
Lub hnab yas uas tau thov kom biodegradable tau tseem tsis tau thiab muaj peev xwm nqa khoom yuav peb xyoos tom qab kis tau ib puag ncig, kev kawm tau pom.
Kev tshawb fawb rau thawj zaug kuaj lub hnab ntim khoom, ob hom biodegradable hnab thiab hnab ntim khoom siv tau tom qab lub hiav txwv, huab cua thiab lub ntiaj teb. Tsis muaj ib lub hnab decomposed tag nrho cov chaw ib puag ncig.
Lub hnab ntim compostable zoo li tau muaj kev zoo dua li qhov thiaj li hu ua biodegradable hnab. Cov qauv tso cai hauv lub hnab tau ploj tag tom qab peb lub hlis hauv ib puag ncig marine tab sis xav tau cov khoom ua haujlwm ntau dua thiab los xav txog qee qhov chaw ib puag ncig ib puag ncig.
Tom qab peb xyoos "biodegradable" hnab uas tau faus rau hauv av thiab lub hiav txwv muaj peev xwm nqa mus yuav khoom. Lub hnab compostable tau muaj nyob hauv av 27 lub hlis tom qab tau faus, tab sis thaum kuaj nrog kev yuav khoom tsis muaj peev xwm tuav ib qho hnyav tsis muaj qhov hnyav.
Cov kws tshawb fawb los ntawm University oficmouth Cov Tub Rog Kev Tshawb Fawb thiab Kev Tshawb Fawb Txog Kev Kawm Ntawv - Tshaj Tawm Kev Ua Haujlwm Zoo Tshaj Plaws Ntawm Kev Ua Haujlwm Zoo Tshaj Plaws Rau Cov teeb meem ntawm cov yas pov tseg.
Imogen ntswg, uas tau coj txoj kev kawm, hais tias:"Tom qab peb xyoos, Kuv tau xav tsis thoob tias ib lub hnab tseem tuaj yeem tuav lub khw muag khoom. Rau biodegradable hnab kom muaj peev xwm ua tau uas yog qhov kev xav tsis thoob. Thaum koj pom ib yam dab tsi sau npe rau hauv txoj kev ntawd, Kuv xav tias koj cia li xav tias nws yuav txwv tsis pub sai sai tshaj lub hnab ntim. Tab sis, tom qab peb xyoos tsawg kawg, peb cov kev tshawb fawb qhia tau tias tej zaum yuav tsis yog qhov xwm txheej. "
Txog ib nrab ntawm cov plastics yog muab pov tseg tom qab kev siv thiab txiav txim siab ntau li litter.
Txawm hais tias cov kev qhia ntawm cov nqi tsub rau cov hnab yas hauv Tebchaws Askiv, cov tub ceev xwm tseem yog tsim muaj ntau txhiab xyoo. IbKev soj ntsuam ntawm 10 lub tsev lojLos ntawm Greenpeace qhia lawv tau tsim tawm tau 1.1bn ib-hnab yas, 1.2BN Yas Tsim Hnab Rau Cov Txiv Hmab Txiv Ntoo Rau Cov Txiv Hmab Txiv Ntoo thiab 958m Reusable "Hnab rau lub neej" ib xyoos.
Lub Plymouth Txoj Kev Kawm hais tias xyoo 2010 tau kwv yees tias 98.6bn yas Carrier Hnab tau muab tso rau hauv hnab yas yas ntim khoom ntxiv tau raug tso txhua xyoo txij li.
Kev paub txog cov teeb meem ntawm cov pa phem ntawm cov kev muaj kuab paug yas thiab qhov cuam tshuam rau ib puag ncig tau coj mus rau txoj kev loj hlob hauv thiaj li hu rau cov kev xaiv biodegradable thiab compstable xaiv.
Cov kev tshawb fawb hais tias qee cov khoom lag luam no tau ua raws cov lus qhia lawv tuaj yeem yog "rov ua dua tshiab rau cov yas ua kom zoo dua" lossis "cog qoob loo-cog qoob loo rau yas".
Tab sis cov lus qhia tau hais tias tsis muaj ib lub hnab uas tsis muaj peev xwm vam khom rau kev ua kom muaj kev cuam tshuam ib lub sijhawm peb-xyoo nyob rau hauv txhua lub sijhawm. "Nws yog vim li no tsis meej tias cov qauv oxo-biodegradable muab cov kev ua kom muaj txiaj ntsig zoo hauv lub hnab khib nyiab, piv rau cov hnab ntim," cov kev tshawb nrhiav pom.
Cov kev tshawb fawb tau qhia tias cov hnab ntim tshuab nqus tau pov tseg yog qhov tseem ceeb. Lawv yuav tsum biodegranade hauv cov txheej txheem tswj kev ua kom tiav los ntawm kev nqis tes ua ntawm ib txwm muaj tshwm sim micro-tsiaj. Tab sis daim ntawv tshaj tawm hais tias qhov yuav tsum tau khib nyiab rau cov khib nyiab tawm - uas UK tsis muaj.
Vegware, uas tau tsim lub hnab ntim khoom siv tau siv hauv kev tshawb fawb, hais tias tsis muaj khawv koob, thiab tsuas yog siv tau rau hauv nws qhov chaw raug.
"Nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv ntawm cov ntsiab lus xws li comptomeable, biodegradable thiab (oxo) -degeson tau hais. "Muab cov khoom pov tseg hauv ib puag ncig yog tseem littering, compostable lossis lwm yam. Burying tsis yog nplooj lwg. Cov ntaub ntawv txuas ntxiv tuaj yeem nplooj nrog tsib tus yuam sij - microbes, oxygen, noo noo, sov thiab sijhawm. "
Tsib hom sib txawv ntawm cov cab kuj hnab yas muab piv. Cov no suav nrog ob hom oxo-biodegradable hnab, ib lub hnab ntim cim npe, ib lub hnab ntim, thiab lub hnab polyethylene - ib lub hnab yas uas muaj pa.
Txoj kev tshawb nrhiav pom ib qho tsis muaj pov thawj tseeb tias biodegradable, oxo-biodegradable thiab lub peev xwm rau kev sib tsoo rau microplastics ua rau muaj kev txhawj xeeb ntxiv.
Prof Richard Thompson, lub taub hau ntawm chav tsev, tau hais cov lus nug tau tsa cov lus nug hais txog seb cov pej xeem tau raug yuam kev.
"Peb qhia tau ntawm no tias cov khoom siv tau sim tsis muaj ib qho xwm txheej, txhim khu kev qha thiab cuam tshuam tau zoo dua nyob rau hauv cov ntsiab lus ntawm cov tub rog khib nyiab, "nws hais. "Nws txhawj txog kuv tias cov ntaub ntawv tshiab no kuj qhia cov kev cov nyom ntawm kev rov ua dua tshiab. Peb txoj kev kawm hais txog qhov xav tau cov ntaub ntawv hais txog cov ntaub ntawv uas tsim nyog, kom pom tseeb cov kev pov tseg kom tsim nyog thiab tus nqi ntawm kev ua tsis tau zoo. "
Lub Sijhawm Post: Lub Tsib Hlis-23-2022
