He aha nā pōmaikaʻi a me nā pōʻino o nā kīʻaha wai plastik?

ʻO nā kīʻaha wai plastik he mea liʻiliʻi, māmā a kūpono hoʻi, a ua lilo koke i mea kaulana a puni ka honua mai 1997. Eia naʻe, i nā makahiki i hala iho nei, ua hoʻomau nā kūʻai ʻana i nā kīʻaha wai plastik.He aha ke kumu o kēia hanana?E hoʻomaka kākou me nā pono a me nā pōʻino o nā kīʻaha wai plastik.

Ua ʻike ʻia he māmā nā kīʻaha wai plastik.Ma muli o ka maʻalahi o ka hana ʻana i nā mea plastik, e ʻoi aku ka pilikino a me ke ʻano o ke ʻano o nā kīʻaha wai plastik i hoʻohālikelike ʻia i nā kīʻaha wai i hana ʻia me nā mea ʻē aʻe.He mea maʻalahi ke kaʻina hana o nā kīʻaha wai plastik, haʻahaʻa ke kumukūʻai waiwai, pōkole ke kaʻina hana, wikiwiki ka wikiwiki, ka hapa o ka huahana a me nā kumu ʻē aʻe i ke kumu kūʻai haʻahaʻa o nā kīʻaha wai plastik.ʻO kēia nā mea maikaʻi o nā kīʻaha wai plastik.

Eia nō naʻe, he mau hemahema kekahi o nā kīʻaha wai plastik, e like me ka haki ʻana ma muli o ka mana o ke kaiapuni a me ka mahana o ka wai, a ʻaʻole kūpaʻa nā kīʻaha plastik i ka hāʻule ʻana.ʻO ka pilikia koʻikoʻi, ʻo ia ka mea ma waena o nā mea plastik i kēia manawa, ʻaʻole nui nā mea ʻino maoli, ʻoiai ʻo ka nui o nā mea plastik he papa meaʻai, akā ke ʻoi aku ka nui o nā koi wela, e lilo ia i mea pōʻino, e like me PC a me AS.Ke ʻoi aku ka mahana o ka wai ma mua o 70°C, e hoʻokuʻu ka mea i ka bisphenol A, hiki ke hoʻololi a haki paha ke kīʻaha wai.He pololei ia no ka mea ʻaʻole hiki i nā mea ke hoʻokō i nā pono palekana o ka poʻe i pāpā loa ʻia nā kīʻaha wai ʻokoʻa ma waho o ka tritan mai ke komo ʻana i ka mākeke ma ka mākeke ʻEulopa mai 2017. Ma hope mai, ua hoʻomaka ka mākeke US e hoʻoholo i nā hoʻoponopono like, a laila ʻoi aku ka nui. Ua hoʻomaka nā ʻāina a me nā ʻāina e kau i nā mea paʻa i nā mea plastic.Loaʻa i nā kīʻaha wai nā koi a me nā kapu.Ua hoʻomau kēia i ka emi ʻana o ka mākeke kīʻaha wai plastik i nā makahiki i hala iho nei.

Ke hoʻomau nei ka holomua o ke kanaka a me ka hoʻomau ʻana o ka ʻenehana, e hānau ʻia nā mea plastik hou ma ka mākeke, e like me nā mea tritan, i ʻike ʻia e ka mākeke honua i nā makahiki i hala.Ua hoʻomohala ʻia kēia e ka Hui ʻAmelika Eastman a ke kuhikuhi ʻia nei i nā mea plastik kahiko., ʻoi aku ka lōʻihi, palekana, pale wela kiʻekiʻe, ʻaʻohe deformable, ʻaʻole i loaʻa i ka bisphenol A. E hoʻomau ʻia nā mea like me kēia me ka hoʻomohala ʻana i ka ʻenehana, a e neʻe pū nā kīʻaha wai plastik mai kahi pā a i kekahi piko.