He mea nui ake te miro kai i ngā whenua whakapapa pūngao me ngā hiranga whakamahere, e hangaia ana i tōna tūmomo matatika me tana hīkoi. Ki te wero, ko te miro kai he pūtake o ngā piki rite i roto i tētahi miro, ā, ko ngā taunga me ētahi atu whakatā. He mea nui ake ngā miro e whakamahi ana i ngā miro nei hei whakaatu i ōna āhuatanga me ngā tūranga mahi. Ko tētahi o ngā pai ake o te miro kai tana tino pai ki te maranga mai i runga i tētahi nuinga o ngā tūruhau. E āwhina ana ngā miro ki te whakawehewehe i te mata o ngā hua rite, penei i te plastic, te mete, te kiriata, me ngā kākahu ahurea, kia āhei ai te miro kai ki te hono pai. Ko tēnei ka whai mana te miro kai mo ngā tūranga mahi e hiahiatia ana ngā tuhinga tino rangatira me ngā tuhinga tino whakaritorito, penei i te tohu take, ngā tohu, me ngā tuhinga mō ngā tahuhu motokā. Ko te miro kai hoki e homai ana i ngā pūnaha haere herea. Ko te taurangi o ngā miro e āwhina ana ki te whakapakaruhe, e hiahia ana mo ngā momo whakamahere haerehere. I ngā wāhi whakamahere pūngao, kei reira e hiahiatia ana ngā paerewa o ngā hua e hiahia ana ki te tuhia haere, ka whakapakari atu te pūtake haere o te miro kai i te wehenga kaihua. Ko te haere herea hoki e āwhina ana ki te whakaiti i te whakapae o ngā tae me te whakapae o ngā tae, ka puta ai ngā tuhinga tino tika me ngā tuhinga tino mā. Ko te whiuwhiu tae o te miro kai he whakahirahira. Ka taea e ia te whakaputa i ngā tae tino whakarara, tino whakapakari, me te tino tika tae. Kei raro i ngā piki e whakamahi ana i te miro kai, ka whakatakoto ngā piki i runga i te whakaaetanga me te whakapakari i te whakaputanga tae, me te whakaaetanga i te whakamahere mō ngā tūranga mahi e hiahiatia ana te whakamahere tirohanga, penei i te whakaputanga me ngā hua whakapakari. Heoi anō, he mea whakatauwhiwhia ēnei miro kai i ngā āhuatanga taiao me ngā āhuatanga haumaru. Ka taea e ngā miro i roto i ngā miro kai tūturu te whakaputu i ngā huaruruhau organic (VOCs) ki te rangi, ka whai mana ki te upoko hara i te waiū, ka taea hoki te whakahau i ngā pūnaha hauora. Ki te whakautu i ēnei whakaaro, ka whakapakari te whenua i ngā whakahaere miro kai tūturu ake, penei i ngā miro iti VOC rānei ko ngā miro kore. Ka taea e ēnei whakahaere hou kia mau tonu ngā pai ake o te miro kai, ahakoa kua whakaiti i tana whakapakari i te taiao. Ahakoa ngā herenga, ka whai tonu te miro kai i te whakawai me te whakarerekē ki ngā hiahia huri noa o te whenua whakamahere. Ki te whai ake te rangahau me te whakariterite, e tipu tonu ana te miro kai hei tangata nui i waenganui i ngā tūranga mahi whakamahere, e homai ana i te taurangi i waenganui i te whakapakari, te whakaritorito, me te whakaaetanga taiao.