Njengoko iTshayina isiba “ngumzi-mveliso wehlabathi”, iimveliso zethu ngokuthe ngcembe ziye zaziwa kubathengi behlabathi liphela. Kwaye zithengiswa kumazwekazi ahlukeneyo kwihlabathi jikelele.Ukwenza iimveliso ze-ozone ze-BNP zifikeleleke ngakumbi kwaye zifikeleleke kwihlabathi, saqala icandelo le-ozone ye-BNP yamazwe ngamazwe ngo-2014, kuquka ukuthengisa, ukuthengisa kunye nenkonzo yabathengi.