This document discusses Work Package 2 of the GWP Water and Climate Programme, which aims to support countries in integrating water security and climate resilience into national development planning. It outlines how climate change impacts will be manifested through water and impact socioeconomic development. The objectives are to build the case for integrating these issues, identify synergies among plans, and ensure water security and climate resilience are considered in investment decisions. Key outputs will include national assessments, stakeholder analyses, and supporting national organizations to develop frameworks addressing these issues. The indicator is the number of countries supported in developing policies and plans to integrate water security and climate resilience into development.