Yim lub xeev- California, Connecticut, Delaware, Hawaii, Maine, New York, Oregon thiab Vermont-tau txwv cov hnab yas siv ib zaug.
Vim li cas tsoomfwv txwv lub hnab polythene?
hnab yas yeej tsis degrade kiag li, uas qhia tau hais tias ntau ntawm lawv yog tsim los ntawm cov tuam txhab, ntau tau nkag rau hauv ib puag ncig. Yog li ntawd, qhov ntau npaum li cas ntawm cov hnab yas, ntau qhov muaj kuab paug yas thiab nws cov teebmeem. Kev txwv tsis pub siv cov hnab yas yuav pab txo qis qhov txiaj ntsig zoo.
Puas yog tsoomfwv txwv cov hnab yas?
Plastic hnab txwv
Raws li kev siv cov yas ib zaug tsis muaj kev cai lij choj hauv tebchaws tam sim no, txawm li cas los xij txhua lub Xeev thiab Thaj Chaw Tseem Ceeb, nrog rau zam ntawm New South Wales, tau siv txoj cai txwv tsis pub siv cov hnab yas siv ib zaug.
Lub tebchaws twg tau txwv lub hnab polythene?
Xyoo 2002, Bangladesh tau los ua thawj lub tebchaws txwv tsis pub cov hnab yas nyias nyias. Morocco tau tshaj tawm txoj kev txwv thoob tebchaws rau kev tsim khoom thiab siv hnab yas hauv xyoo 2016. Raws li Moroccan kev lag luam ministry, lub tebchaws tau siv ib ncig ntawm 3 billion hnab yas, ua rau nws yog cov neeg siv khoom loj tshaj plaws. khoom tom qab US.
Puas yog lub hnab polythene txwv hauv Is Nrias teb?
Tam sim no, cov hnab polythene tsawg dua 50 microns raug txwvhauv tebchaws. Tab sis raws li txoj cai tshiab, cov hnab polythene tsawg dua 75 microns hauv tuab yuav raug txwv txij lub Cuaj Hlis 30 thiab cov hnab ntim tsawg dua 120 microns yuav raug txwv txij lub Kaum Ob Hlis 31 xyoo tom ntej.
