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, he tere te rongonui mō 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.