ʻO Think20 (T20) ka pūnaewele noiʻi a me ka ʻōlelo aʻoaʻo kulekele no ka G20 - he ʻaha kūkā no ka hui hoʻokele waiwai honua i hana ʻia e 19 o nā ʻoihana waiwai nui o ka honua a me ka Hui ʻEulopa. ʻO ka hui pū ʻana, alakaʻi ka poʻe manaʻo noʻonoʻo alakaʻi o ka honua i nā kulekele hou e kōkua i nā alakaʻi G20 e hoʻoponopono i nā pilikia koʻikoʻi o ka honua a ʻimi i kahi kaiāulu hoʻomau, hoʻopili, kūpaʻa.

Ma nā kuʻekuʻe wāwae o G20's Third Environment and Climate Sustainability Working Group, ko mākou pelekikena ʻo Mark J. Spalding he mea kākau i kahi pōkole kulekele T20 i kapa ʻia ʻo "Generating Finance for Blue Economy Transition". Hāʻawi ka pōkole i nā ʻōlelo aʻoaʻo pehea e hiki ai i ka G20 ke hoʻoikaika i ke kālā no ka hoʻololi ʻana i ka Blue Economy.