Ko te Rōpū YEROO he tohunga ki ngā paparorohiko whakarewa taiao e huri ana i ō kauwhau whakarewa ki ngā wāhi manuhiri. Ko tā mātou raina hua e whai wāhi ana ki ngā takotoranga pokapū mō ngā taru, ngā pene karuhi, me ngā pouaka mārama nui. I ngā wā katoa, ka whakamātau mātou i tō kauwhau whakarewa kia kitea pai, ka paku atu ai te kauwhau whakarewa. Ka tango mātou i te herekenga ki te tuku i ngā paparorohiko pai, roa, hoki hou e hāngai ana te whakarewa taiao, roa, hoki hou. He nui te utu mō tāu whakarewa taiao nō reira, ko te whakarewa taiao he aronga matua me te aronga matua o tō whakarewa.