I nā makahiki he 20 e hiki mai ana, e hoʻomau mākou i ka hana o ka mālama ʻana i ka ʻenehana hou loa, e hāʻawi ana i nā huahana hilinaʻi, e hana ana i ka noiʻi i ka ʻimi ʻana i ka noi ozone a me ka hoʻonui ʻana i nā huahana ozone BNP no nā noi ākea.