Tuatahi, ki te whakaritea ki te tukanga hanga pepa tuku iho, kāore te hanga pepa koiora e whakararu i te wai, i te hau, i te kohikohinga para rānei, ā, ka taea te pirau māori i te hua. He rauemi pepa tiaki taiao, kāore e para.
Tuarua, ki te whakaritea ki te hanga pepa tuku iho, ka taea e ia te whakaora i te 25 miriona rita o te wai māori i ia tau, arā, ko te tere whakaputanga o te 120,000 tāne o te pepa koiora. Hei tāpiri, ka taea e ia te whakaora i te 2.4 miriona rākau i ia tau, he rite ki te tiaki i te 50,000 eka o ngā otaota ngahere.
Nō reira, ko te pepa Bio-paper, he momo pepa kore-ngahere i hangaia ki te konupūmā kāponāte, engari he rite tonu tōna mahi ki te PVC, kei te tere rongonui haere i roto i te hanga kāri kī hōtēra, kāri mema, kāri whakahaere urunga, kāri tereina raro whenua, kāri tākaro me ētahi atu. He kāri ātete-wai, ātete-roha hoki, he roa ake tōna ora mahi i te kāri PVC noa.