I ka lilo ʻana o Kina i "pahu hana honua", ua ʻike ʻia kā mākou huahana i nā mea kūʻai aku a puni ka honua.No ka hoʻonui ʻana i nā huahana ozone BNP i ka honua, ua hoʻomaka mākou i ka BNP ozone international division ma 2014, me ke kūʻai aku, kūʻai aku a me ka lawelawe mea kūʻai aku.