Nine key risks have been identified  based on four criteria: magnitude, likelihood, timing and adaptive capacity . Most of the key risks are similar to those in the IPCC AR5 Australasia chapter , but the emphasis here is on specific systems affected by multiple hazards rather than specific hazards affecting multiple systems. The selection of key risks reflects what has been observed, projected and documented, noting that there are gaps in knowledge, and a lack of knowledge does not imply a lack of risk . Key risks are grouped into four categories:
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report