With rapid advances of technologies, the use of appropriate technologies generates some degree of management problems. To resolve such problems, the enhancement of information science is essential to understand design, implementation and adoption of digital tools under crisis . For example, social media research reveals a way of controlling malicious information , and its characteristics under COVID-19-showing a plain text message-can be more powerful in the context of citizen engagement than media-rich communications . Information behaviour needs more investigation to understand how people survive and connect in the era of information overload . Moreover, a new set of data  becomes an important base of DRR . Analysis of these personal data requires careful consideration, as it generates ethical issues . Indicators or measurements of technology- enabled crisis response needs to be developed for further risk reduction . On the other hand,
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report