Background Climate science information plays a critical role in supporting evidence-based climate adaptation risk management and sustainable development. The effective use of climate observations analyses and indices enables National Meteorological and Hydrological Services (NMHSs) to contribute more effectively to national planning and decision-making processes particularly the development and implementation of National Adaptation Plans (NAPs) and Nationally Determined Contributions (NDCs). Strengthening NMHSs' capacity to generate and communicate reliable climate science information is therefore essential to informing climate-resilient policies sectoral services and engagement and investment decisions. To strengthen the capacities of Members particularly in Least Developed Countries (LDCs) and Small Island Developing States (SIDS) the WMO has organized more than twenty training workshops on Climate Science Information for Climate Action (CSICA) and … Sign In to View