Puas yog tag nrho cov ntaub so yas tsis pub dawb?

Thaum nws los txog rau kev saib xyuas tus kheej thiab cov khoom siv tu cev, peb feem ntau xav tias lawv txhua tus muaj kev nyab xeeb rau ib puag ncig thiab tsis muaj tshuaj lom neeg. Txawm li cas los xij, qhov no yuav tsis yog ib txwm muaj. Nyob rau hauv xyoo tas los no, tau muaj kev txhawj xeeb ntau ntxiv txog qhov cuam tshuam ntawm kev siv cov ntaub so ntswg rau ib puag ncig thiab peb kev noj qab haus huv. Ib qho ntawm cov teeb meem tseem ceeb nrog cov ntaub so yog tias ntau ntawm lawv muaj cov yas, uas tuaj yeem siv ntau pua xyoo los rhuav tshem thiab ua rau muaj kev hem thawj rau lub neej hauv hiav txwv.
Yog li, puas yog tag nrho cov ntaub so yas tsis muaj? Hmoov tsis, cov lus teb tsis yog. Txawm hais tias qee lub npe tau pib hloov mus rau cov khoom siv ruaj khov dua, xws li xyoob thiab paj rwb, ntau cov ntaub so tseem muaj cov yas fibers. Cov fibers no feem ntau muab zais rau hauv cov khoom siv los ua cov ntaub so, xws li polyester, nylon lossis rayon.
Dab tsi ua rau cov yas hauv cov ntaub so muaj teeb meem yog tias nws tuaj yeem nkag mus rau peb cov dej hiav txwv yooj yim thiab ua rau lub neej hauv hiav txwv. Thaum peb siv cov ntaub so thiab muab pov tseg, cov yas fibers tuaj yeem tawg mus rau hauv cov khoom me me uas tsis tshua pom thiab xaus rau kev noj ntses, noog thiab lwm yam tsiaj hauv hiav txwv. Qhov no tuaj yeem ua rau muaj teeb meem kev noj qab haus huv loj rau cov tsiaj no, suav nrog kev nqhis dej, entanglement, thiab noj tshuaj tsis zoo.
Sib nrug los ntawm kev ua phem rau ib puag ncig, cov yas hauv cov ntaub so kuj tuaj yeem ua rau tib neeg noj qab haus huv. Thaum peb siv cov ntaub so no, cov yas fibers tuaj yeem xaus rau ntawm peb cov tawv nqaij thiab nkag mus rau hauv peb cov hlab ntsha. Qhov no tuaj yeem ua rau muaj ntau yam teeb meem kev noj qab haus huv, nrog rau cov teeb meem kev ua me nyuam, kev cuam tshuam cov tshuaj hormones, thiab mob qog noj ntshav.
Yog li, peb tuaj yeem ua li cas kom ntseeg tau tias cov ntaub so peb siv tsis muaj yas? Ua ntej, peb tuaj yeem pib los ntawm kev nyeem cov ntawv ntawm cov khoom peb yuav. Nrhiav cov ntaub so uas tau sau tias "biodegradable", "compostable", lossis "yas-dawb". Koj tuaj yeem nrhiav cov khoom uas yog tsim los ntawm cov khoom siv ntuj tsim, xws li xyoob lossis paj rwb. Tsis tas li ntawd, koj tuaj yeem xaiv cov ntaub so ntswg rov siv tau, uas tuaj yeem ntxuav tau yooj yim thiab rov siv dua.
Hauv kev xaus, txawm hais tias qee cov ntaub so yog cov yas tsis muaj, muaj ntau yam tseem muaj cov yas fibers uas tuaj yeem ua phem rau ib puag ncig thiab peb txoj kev noj qab haus huv. Txhawm rau kom ntseeg tau tias peb siv cov ntaub so ntswg uas muaj kev nyab xeeb rau ob qho tib si, peb yuav tsum tau ua lub luag haujlwm thiab ua tib zoo xaiv thaum yuav cov khoom siv tu cev. Los ntawm kev xaiv cov ntaub qhwv tsis muaj yas, peb tsis tsuas yog tiv thaiv peb tus kheej xwb, tab sis kuj yog lub ntiaj teb nyob ib puag ncig peb.