On 24 September, the UN Secretary-General will host a Climate Summit, as a platform for world leaders to present new national climate plans and accelerate momentum, ahead of COP30. These new plans must reflect bold action for the next decade, unlocking a just, resilient and low-carbon future. Selwin Hart, the Secretary-General's Special Adviser on Climate Action, will share insights on the Summit's goals, assess global progress, and chart the path to COP30.