Txiav txim siab ua tshuaj

Cov khoom siv biodegradable tsis muaj kev cuam tshuam me ntsis ntawm ib puag ncig, ua tau raws li kev tsim kho tsis tu ncua, tuaj yeem daws cov teeb meem ib puag ncig thiab lwm yam teeb meem, yog li qhov kev thov zoo zuj zus, biodegradable ntim cov khoom lag luam muaj ntau thiab ntau siv nyob rau txhua qhov chaw ntawm lub neej. Vim tias feem ntau ntawm cov ntaub ntawv siv hauv cov ntawv ntim yog ntuj thiab tuaj yeem ua kom tsis muaj dab tsi ntxiv tsis muaj catalyst, cov kev daws teeb meem no yog siv dav hauv kev lag luam khoom noj khoom haus thiab dej haus. Ntau lub tuam txhab kev lag luam thiab tsoomfwv tau siv ntau yam los txo cov khoom siv pov tseg thiab ib puag ncig. Cov tuam txhab xws li Unilever thiab P & G tau cog lus tias yuav tsiv mus rau cov kev ntim ntim cov kev daws teeb meem thiab txo lawv cov ntawv hleb kev lom neeg (feem ntau cov pa roj carbon emissions) los ntawm 50%, uas yog ib qho ua rau kev siv lub ntim biodegradable hauv ntau qhov kev lag luam. Ntau thiab ntau dua kev tsim kho tshiab, xws li kev siv lub tshuab ntim khoom ntse thiab ntse hauv kev lag luam, nthuav dav rau cov khoom lag luam kawg.

Ntau thiab ntau lub luag haujlwm cov neeg tau tsiv los ntawm kev daws teeb meem ruaj khov.

Cov neeg nyob hauv ntiaj teb tau dhau 7.2 billion, ntawm uas muaj ntau tshaj 2.5 txhiab yog hnub nyoog 15-35. Lawv muab ntau qhov tseem ceeb rau ib puag ncig. Nrog kev sib xyaw ua ke ntawm kev siv thev naus laus zis thiab kev nce qib hauv ntiaj teb, cov yas thiab daim ntawv yog siv dav hauv ntau qhov kev lag luam. Cov ntawv ntim khoom tau txais los ntawm ntau qhov chaw (tshwj xeeb yog plastics) tsim cov khoom tseem ceeb, uas muaj kev phom sij rau ib puag ncig. Ntau lub teb chaws (tshwj xeeb yog cov teb chaws tsim) muaj cov kev cai nruj me ntsis kom txo cov pov tseg thiab txhawb kev siv cov khoom ntim khoom ntim biodegradable.