A long-standing debate has emphasised the need to move beyond explanations of disasters that focus on hazards and instead to focus on vulnerability in order to show how hazards become disasters. Climate discourse is reintroducing an emphasis on hazards, much to the frustration of disaster scholars. However, Hyeonggeun Ji (PhD researcher at the ISS) and Douwe van Schie (PhD researcher at the University of Bonn) argue that a divide between the hazard and vulnerability paradigms exists in both fields, and that bringing together critical vulnerability scholars from disaster and climate studies is essential for understanding and addressing contemporary climate-related disasters.

Against the hazard paradigm
In 1942, the geographer Gilbert White wrote that ‘floods are “acts of God”, but flood losses are largely acts of man’. Even then, when disaster studies had only just begun to emerge as an organised discipline, scholars understood that disasters were embedded in social structures rather than simply natural events. Yet in the decades that followed, the idea that disasters are unexpected natural shocks that occur outside of society became dominant. In response, disaster scholars argued for an alternative paradigm that framed disasters in broader structural terms.
A significant contribution to this shift was the 1983 edited volume Interpretations of Calamity: from the viewpoint of human ecology. In its first chapter, Kenneth Hewitt critiques the dominant view’s “invented geographical vision” that ignores the deep social roots of disasters. He argues that this perspective, which is “unashamedly indifferent to history”, serves the interests of powerful institutions by absolving them from responsibility. From a political-economy angle, other contributors further show how historical processes within a capitalist system create disaster vulnerability. This vulnerability focus was further strengthened by the 1994 book At Risk: Natural Hazards, People’s Vulnerability and Disasters, which introduced the “Pressure and Release Model”. Central to the models is a “progression of vulnerability”. It shows how root causes of vulnerability are deeply embedded in societal forces, such as neoliberalism and (neo)colonialism. These forces translate into dynamic pressures, which are more immediate manifestations that end up creating unsafe conditions: more direct expressions of population’s vulnerability. A disaster only occurs when these unsafe conditions meet a hazard. With the help of this influential model, At Risk firmly established vulnerability as central to understanding disasters.
A return of the hazard paradigm
Over time, vulnerability has become a convoluted concept, used differently by different institutions. The concept has also found a new life within climate discourse, especially that of climate change adaptation and, more recently, loss and damage. Yet in the 2022 edited volume Why Vulnerability Still Matters, several scholars who made fundamental contributions to the early vulnerability-centred perspective argue that climate discourse has shifted attention away from vulnerability. They voice a wider frustration that major climate institutions, such as the United Framework Convention on Climate Change and Intergovernmental Panel on Climate Change, promote a hazard-centred perspective similar to the dominant view that disaster scholars worked hard to counter. Indeed, when re-examining the Pressure and Release model in light of climate change, the hazard side is changing considerably, influencing the temporality and intensity of disasters.
The vulnerability perspective does not deny these changes. Rather, vulnerability scholars challenge the uncritical interpretation that regards shifts in the patterns of hazards through climate change as equivalent to shifts in the patterns of disasters. Such a climate reductionist view diverts the attention of researchers, practitioners and policymakers away from vulnerability, promoting the language like ‘climate-induced’ rather than ‘climate-related’ disasters. Such framings lead back to asocial explanations that absolve institutions of responsibility and encourage technocratic fixes that fail to address root causes of (climate-related) disasters.
Vulnerability across divides
The gap between disaster studies and climate change research in understanding climate-related disasters can be seen as a step backward, driven by limited engagement between the two fields. This lack of engagement risks reinventing the wheel instead of building on decades of advancements within disaster studies. The frustration from disaster scholars of climate change discourse in failing to deeply engage with the concept of vulnerability is then completely understandable. However, placing disaster research neatly in the vulnerability paradigm and climate research in the hazard paradigm would be too simplistic. Neither epistemic system is homogeneous. Disaster risk reduction often still overlooks vulnerability and global disaster governance still leans toward technocratic hazard-focused solutions. Indeed, the hazard-focussed paradigm has never completely disappeared. At the same time, some climate scholarship — including works like as The Political Ecology of Climate Change Adaptation and Misreading the Bengal Delta — build on and further the critical perspectives that inspired the early critical disaster scholarship. Indeed, while disaster scholars have sought to advance socially and politically informed disaster analysis, some climate change scholars have likewise endeavoured to unpack the structural and epistemic dimensions of vulnerability that influence climate impacts, paying specific attention to the new challenges introduced by climate change.
Therefore, the biggest epistemic rift is not between the two discourses — that of disasters and climate change — but between the hazard and vulnerability paradigms that splits both. In both fields, scholars are challenging the persistently dominant paradigm of hazards. Their efforts deepen the social and political dimensions of climate change beyond a reductionist emphasis on hazards. To foster this approach against simplistic views, researchers engaged in both climate change and disaster studies must collaborate on the basis of in-depth knowledge of vulnerability that bridges their respective analytical traditions. To some extent, this is already happening. Disaster researchers have advanced conceptual clarity on the role of climate change in disaster risk reduction by theorising climate change as a driver of both hazards and vulnerabilities. Likewise, climate change researchers have produced empirical evidence on the politics of climate change through the lens of vulnerability. See, for instance, this manuscript examining the weaponizing vulnerability call for policy attention on that climate change interventions can reinforce the security of already advantaged groups while deepening the precarity of marginalised ones.
Building bridges
Although these examples have demonstrated that vulnerability theory advances our sociological understanding of (climate-related) disasters and show that vulnerability cannot be analytically separated from the study of climate change, the integration of socio-political understandings of disasters into climate change research remains limited. All too often, scholars are still working within parallel research trajectories. As a result, climate policy — which is crucial in ensuring just futures — is not effectively informed. Instead, climate researchers should enhance their social and political understandings of disasters by engaging with fundamental works such as Interpretations and At Risk. This evokes several questions: Why does the vulnerability perspective remain scant within current climate change policy and practice? (How) have disaster and climate change researchers collaborated to engage more closely with climate policy discourse? What forms of collaboration are required to reclaim vulnerability within the discussions of researchers, decision-makers and practitioners in the climate change sector? Because, as international disaster risk policy has advanced through the accumulation of knowledge on vulnerability, the formulation of critical climate policy likewise requires a socially and politically informed understanding of climate change.
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