While hydropower projects play an important role in reducing greenhouse gas emissions, they are also increasingly affected by the impacts of climate change. These include risks of floods, draughts and other natural hazards which are becoming more severe in many regions of the world. This How-to guide provides a structured approach for climate resilience assessments and climate risk management. It aims to support project developers, owners and other key stakeholders of the sector in sustaining hydropower performance under conditions of climate change.