Ka whakamahia e te hangarau DP te polarity pai ki te hopu, ki te whakakore, ki te whakakore i nga huaketo, te huakita, te pokepokea, te harore, me te hae. He rauemi tipu kua whakaaetia kia haumaru e te whakahaere hauora o te ao me te whakahaere kai me te ahuwhenua o te United Nations.