aims to define adaptation narratives for different territorial units considering climate change vulnerabilities and impacts, as well as evaluation of investment needs for adaptation and socio- economic costs of inaction. Hence, RNA 2100 will support and respond to public policy exercises on adaptation to climate change at different levels of territorial intervention, being also supported by several initiatives for dissemination of results, including to the general public, having the ambition to become an important promoter of awareness on the subject of adaptation Citizens' participation in decision making is increasingly encouraged. The Portuguese Climate As previously mentioned the National Roadmap for Adaptation 2100 Assessment of the Portuguese territory's vulnerability to climate change in the 21st century (RNA 2100) project