Mobility is a universal strategy for pursuing well-being and managing household risks  and, where it occurs in a safe and orderly fashion, can reduce social inequality and facilitate sustainable development . Involuntary mobility constitutes a key risk because it implies reduced human agency with high potential for significant economic losses and non-material costs, an unequal gender burden, and amplified vulnerability to other RKRs . Climate change also may erode or overwhelm human capacity to use mobility as a coping strategy, producing involuntarily immobile populations . A severe impact is when a large share of an affected population is forcibly displaced or prevented from moving, relative to normal mobility patterns, at local to global scale. However, because mobility may be a favourable mechanism for reducing risk or an adverse outcome of risk, depending on the circumstances under which it occurs, it is not possible to specify a simple quantitative threshold for when impacts become severe.
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report