Faatumu le fuaiupu lenei:
COP25 i Madrid, William McDonough ma le marine ecologist Carlos Duarte na tuuina atu le Circular Carbon Economy i se mea na tupu ma le BBVA Foundation. O le Circular Carbon Economy e fa'avae i manatu a McDonough mai le tusi Carbon Is Not The Enemy ma ua fa'amoemoe e avea ma fa'avae mo le atina'eina ma le fa'atulagaina o faiga lelei mo le puleaina o le kaponi.