This splinter meeting will gather expertise and interest in Emergent Risks and Extreme Events - Reducing Disasters Risks under Environmental Change. It is organized by and contributing to the respective Risk Knowledge Action Network (Risk KAN). Future collaboration plans and joint activities, particularly in the working groups will be discussed. The Risk KAN provides an open platform for scientific communities from across science disciplines and engineering working on extreme events, disaster risk reduction and governance to exchange information, knowledge and data and engage in collaborative research activities, as a joint initiative of the Future Earth, IRDR and WCRP programs.