The Green Climate Fund – the largest climate fund in the world – is seeking a new cash injection by donors in October 2023. But it's not all smooth sailing. Alexandre Dayant, the Deputy Director of the Indo-Pacific Development Centre, discusses a recent Lowy Institute policy brief with two of the authors, Georgia Hammersley and Roland Rajah. Together, they explore the key challenges hampering the Fund's efficiency, propose several reforms, and spotlight Australia's potential role in helping realise them.