Polylactic acid (PLA) wani sabon abu ne da za a iya lalata shi, wanda aka yi shi da kayan sitaci da albarkatun shuka masu sabuntawa suka gabatar (kamar masara). Ana samun glucose daga kayan sitaci ta hanyar saccharification, sannan ana samar da lactic acid mai tsarki ta hanyar fermentation na glucose da wasu ƙwayoyin cuta, sannan ana haɗa polylactic acid mai nauyin kwayoyin halitta ta hanyar haɗa sinadarai.
Yana da kyakkyawan yanayin lalacewa ta hanyar halitta. Bayan amfani da shi, ƙwayoyin cuta na iya lalata shi gaba ɗaya, kuma a ƙarshe yana samar da iskar carbon dioxide da ruwa, wanda ba ya gurɓata muhalli, wanda ke da matuƙar amfani ga kare muhalli. Ana gane shi a matsayin abu mai kyau ga muhalli.
Hanyar magance robobi na yau da kullun har yanzu tana ƙonewa da ƙona su, wanda ke haifar da yawan iskar gas mai ƙonewa da ake fitarwa zuwa iska, yayin da robobi masu polylactic acid ake binne su a cikin ƙasa don lalata su, kuma carbon dioxide da aka samar kai tsaye yana shiga cikin ƙasa ta hanyar kwayoyin halitta ko kuma tsire-tsire suna sha, waɗanda ba za a fitar da su cikin iska ba kuma ba za su haifar da tasirin kore ba.
