This document is designed to provide basic and flexible guidance on conducting a national or subnational assessment of current and future vulnerability ie the susceptibility of a population or region to harm to the health risks of climate change and of policies and programmes that could increase resilience taking into account the multiple determinants of climate sensitive health outcomes. This document is designed to provide basic and flexible guidance on conducting a national or subnational assessment of current and future vulnerability ie the susceptibility of a population or region to harm to the health risks of climate change and of policies and programmes that could increase resilience taking into account the multiple determinants of climate sensitive health outcomes. Extracted from preface increasing temperature sea level rises changes in precipitation patterns and extreme events are expected to increase a range of health risks from the direct effects of heatwaves floods and storms to more suitable. Protecting health from climate change vulnerability and adaptation assessment document provides basic and flexible guidance for conducting a national or subnational assessment of current and future vulnerability to climate change health risks and of policies and programmes that could increase resilience the first step in the process . Protecting health from climate change vulnerability and adaptation assessment 1 t he term assessment is use d to indicate a vulnerability and adaptation assessment