Tuhia tētahi tohutoro mō tēnei wāhanga - I te COP25
I Madrid, i whakaatu a William McDonough me te kaiao taiao moana a Carlos Duarte i te Circular Carbon Economy i tetahi huihuinga me te BBVA Foundation. Ko te Circular Carbon Economy e hāngai ana ki ngā whakaaro a McDonough mai i te Carbon Is Not The Enemy, ā, ko te whāinga kia noho hei anga mō te whakawhanake me te whakarite i ngā pūnaha whai hua mō te whakahaere waro.