Integrated Research on Disaster Risk (IRDR) is an international scientific program cosponsored by the International Science Council (ISC) and the United Nations Office for Disaster Risk Reduction (UNDRR), and supported by China Association of Science and Technology (CAST). International Program Office of IRDR (IRDR IPO) is hosted by Chinese Academy of Sciences (CAS) and Aerospace Information Research Institute (AIR) of CAS. IRDR aims to usher in an inclusive, safe and sustainable world by promoting a better understanding of disaster risk and the effective use of risk science in decision-making.