Siv zog tsim cov khoom tshiab Biodegradable

Cov teb chaws tsim kho thiab thaj chaw xws li Europe, Tebchaws Asmeskas, thiab Nyij Pooj tau tsim ua tiav thiab qhia txog cov kev cai cuam tshuam los txwv kev siv cov yas uas tsis muaj degradable los ntawm kev ntsuas xws li kev txwv ib nrab, txwv tsis pub, yuav tsum sau, thiab sau se cov pa phem. Lawv tau siv zog tsim cov ntaub ntawv tshiab biodegradable los tiv thaiv ib puag ncig thiab av. Ntawm lawv, Fabkis tau tshaj tawm txoj cai hauv xyoo 2005 uas tau teev tseg tias txhua lub hnab yas pov tseg uas tuaj yeem nqa tau yuav tsum tau biodegradable tom qab xyoo 2010.