pūtāwai karbona
Ko te pūtaiwhenua kāruheru he whakahaere hanganga tawhitiwhiti i te wā, e whakapakiri ana i ngā hangaanga mōhiohio matatini me ngā momo hanga nui i te wehi. Ka hangaia tēnei rara pai ake i te whanonga pūtaiwhenua, he kaupapa hanga mutunga e āhei ai ngā whakamahinga kāruheru ki te hīkoi i te awa harakeke, ka whai muri ka hīkoi i te uaua whakawea hei hanga i ngā tohu whanaunga kiko nui, kotahi rawa i te mana wehi. Ka puta i te kaupapa nei he raruraru, he pai rawa te katoa o ngā take whakangungu, e āhei ana ki te whakaatu i ngā whenowhenua paihere moeoneone, inā he wehi nui te ūnga ki te mana wehi, he paihere whakahirahira, me te whakahoki ki ngā take tuhituhi. Ko te whiuwhiu molekiwhiu o te rara ka tirotiro haumaru i te wā o te hanga, e whai ana ki te wehi nui i te takiwā o te kāruheru, me te whakarite i te mana tūmomo. Ka kitea ngā tohu nei i waenganui i ngā whenowhenua e rerekē ana, mai i te hanga me te whakatū i te whare ki te whakatū i ngā mahi rangapū me ngā momo hanga whakaaroaro. Ko te wehi o te rara ka āhei ki te hanga i waenganui i ngā matapeka me ngā rahi, ka whakanuia ai hei tautoko whanaunga, hei whakamahere i ngā take whakamomori, me ngā take tautoko. Ko tana wehi ki te whakatakoto i te korikori me te iti noa iho ngā hiahia whakahaere ka whakanuia i te wā o ngā take tuhituhi, kei reira ka taea te whakamutu i ngā momo take e hiahia ana, pērā i te whakataha ahi, te whakauru UV, me ngā whenowhenua ā-taiao.