World leaders will gather at the UN for a series of summits and high-level meetings to boost action on climate change and accelerate progress on sustainable development, aimed at securing healthy, peaceful and prosperous lives for all: 21 September – Youth Climate Summmit; 23 September – Climate Action Summit and the High-level Meeting on Universal Health Coverage; 24 and 25 September – Sustainable Development Goals Summit; 26 September – High-level Dialogue on Financing for Development; and 27 September – Small Island Developing States. Read more here.