Qee hom kev degradation yuav tsum tau hais tias cov yas yuav raug nyob rau ntawm qhov chaw (aerobic), yog tias lwm hom yuav tsuas yog siv tau yog tias qee qhov xwm txheej muaj nyob rau hauv cov av los yog cov tshuab composting (anaerobic).
Qee cov tuam txhab tsim cov khoom siv biodegradable, los txhim kho biodegradation. Yas yuav muaj hmoov nplej hmoov nplej zom zaws ntxiv los ua ib daim txiag kom cia nws yooj yim dua qhov yooj yim, tab sis qhov no tseem tsis ua rau txoj kev tawg tag nrho ntawm cov yas.
Qee cov neeg tshawb nrhiav tau muaj cov kabmob genetically engineered los ua ke kom tag biodegradable plastics, xws li Biopol; Txawm li cas los, cov no yog kim tam sim no.