Xyoo 2020, kev tsim cov khoom siv biodegradable (xws li PLA, PBAT, PPC, PHA, cov yas ua los ntawm hmoov txhuv nplej siab, thiab lwm yam) hauv Suav teb yog li ntawm 400000 tons, thiab kev siv yog li ntawm 412000 tons. Ntawm lawv, cov khoom tsim tawm ntawm PLA yog li ntawm 12100 tons, qhov ntim ntshuam yog 25700 tons, qhov ntim xa tawm yog 2900 tons, thiab kev siv pom tseeb yog li ntawm 34900 tons. Cov hnab yuav khoom thiab cov hnab ua liaj ua teb, cov khoom ntim khoom noj thiab cov khoom siv rooj tog, cov hnab compost, cov khoom ntim ua npuas ncauj, kev ua liaj ua teb thiab kev cog ntoo, kev txheej ntawv yog cov chaw siv khoom loj ntawm cov yas degradable hauv Suav teb. Taiwan, Suav teb Txij li thaum pib xyoo 2003, Taiwan.
