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Human activities have increasingly intensified the severity, frequency, and negative impacts of droughts in several regions across the world. This trend has led to broader scientific conceptualizations of drought risk that account for human actions and their interplays with natural systems. This review focuses on physical and engineering sciences to examine the way and extent to which these disciplines account for social processes in relation to the production and distribution of drought risk. We conclude that this research has significantly progressed in terms of recognizing the role of humans in reshaping drought risk and its socioenvironmental impacts. We note an increasing engagement with and contribution to understanding vulnerability, resilience, and adaptation patterns. Moreover, by advancing (socio)hydrological models, developing numerical indexes, and enhancing data processing, physical and engineering scientists have determined the extent of human influences in the propagation of drought hazard. However, these studies do not fully capture the complexities of anthropogenic transformations. Very often, they portray society as homogeneous, and decision‐making processes as apolitical, thereby concealing the power relations underlying the production of drought and the uneven distribution of its impacts. The resistance in engaging explicitly with politics and social power—despite their major role in producing anthropogenic drought—can be attributed to the strong influence of positivist epistemologies in engineering and physical sciences. We suggest that an active engagement with critical social sciences can further theorizations of drought risk by shedding light on the structural and historical systems of power that engender every socioenvironmental transformation.

This paper conceptualises droughts as socioecological phenomena coproduced by the recursive engagement of human and non-human transformations. Through an interdisciplinary approach that integrates political ecology, material geographies and hydroclimatology, this work simultaneously apprehends the role of politics and power in reshaping drought, along with the agency of biophysical processes – soil, vegetation, hydrology and microclimate – that co-produce droughts and their spatiotemporal patterning. The drought-stricken Ladismith in Western Cape, South Africa, is the instrumental case study and point of departure of our empirical analysis. To advance a materiality of drought that seriously accounts for the coevolution of biophysical and political transformations, we alter the spatiotemporal and empirical foci of drought analyses thereby retracing Ladismith’s socioecological history since colonial times. In turn, such extended framework exposes the agency of soil, vegetation, hydrology and microclimate and their metabolic exchanges with processes of colonisation, apartheid, capitalist and neoliberal transformations of South African economy. We argue that the narrow pursuit of profits and capital accumulation of the few has produced a fundamental disruption between nature and society which contributed to transform Ladismith’s drought into a socioecological crisis. Whilst advancing debates on materiality, we note two fundamental contributions to the study of drought. First, our approach makes hydrological accounts of droughts less politically naive and socially blind. Second, it develops a political ecology of droughts and socioecological crises more attuned to the materiality of drought. We contend that apprehending the materiality of drought and the active role of its non-human processes can further understandings of the workings of power and the production of socioecological injustices.

Sociohydrology has advanced understandings of water related phenomena by conceptualizing changes in hydrological flows and risks as the result of the interplay between water and society. However, social power and the heterogeneity of human societies, which are crucial to unravel the feedback mechanisms underlying human-water systems, have not been sufficiently considered. In response, this paper proposes an interdisciplinary approach that draws on political ecology perspectives to combine sociohydrological insights with analyses of social power and of the ways in which different social groups distinctively interact with water systems. We draw on empirical evidence of Cape Town's water insecurity before and during the prolonged drought (2015-2017) that escalated into a severe water crisis, also known as Day Zero. The study integrates times series of reservoir storage and water consumption with 40 interviews and focus group discussions to firstly retrace the historical legacy of Colonial rules, Apartheid and, more recently, neoliberal policies. Within this human-water system, we show how Cape Town's political legacy has encouraged unsustainable levels of water consumption amongst the (white) elite and tolerated chronic water insecurity amongst (black) informal dwellers. This uneven geography of water insecurity is also discernible in the unequal experiences of drought and water resilience trajectories of diverse social groups across Cape Town. We conclude that accounting for social power and inequalities can advance sociohydrology by identifying those mechanisms (within society) that determine what water is secured and what human-water interactions and dynamics will be sustained over time. Furthermore, by engaging with social power, sociohydrology can play a significant role in informing policies that reduce inequalities in water access and unsustainable water use.

Over the past two decades, more than 80 metropolitan cities across the world have faced severe water shortages due to droughts and unsustainable water use. Future projections are even more alarming, since urban water crises are expected to escalate and most heavily affect those who are socially, economically and politically disadvantaged. Here we show how social inequalities across different groups or individuals play a major role in the production and manifestation of such crises. Specifically, due to stark socioeconomic inequalities, urban elites are able to overconsume water while excluding less-privileged populations from basic access. Through an interdisciplinary approach, we model the uneven domestic water use across urban spaces and estimate water consumption trends for different social groups. The highly unequal metropolitan area of Cape Town serves as a case in point to illustrate how unsustainable water use by the elite can exacerbate urban water crises at least as much as climate change or population growth.

Political ecology has already engaged with emotions in order to reveal the intimate, unconscious and unexplored power dynamics which characterise patterns of water use and control. Similar explorations have mostly focused on the emotional struggles of structurally disadvantaged people rather than on the emotions of those with privilege: the elite. This oversight becomes problematic when it conceals disproportionate shares of power and the implications that such power has on the sustainable use and just distribution of water resources. The 2018 water crisis which affected Cape Town’s metropolitan area constitutes the empirical context of this paper, which sets out to address the aforementioned research gap. Focusing on the elite’s emotional responses to Cape Town’s drought and subsequent water crisis, this paper seeks to advance political ecology’s understanding of urban water crises by retracing the emotional geography of Cape Town’s most privileged urban dwellers. In particular, this work leverages the concept of subjectivity to explain the way emotions are constructed and come to materially and discursively reproduce historical power dynamics. These findings reveal that fear, anger, and a sense of pride felt by wealthier Capetonians results from and perpetuates the privileged conditions of those elite. Rooted in colonial and apartheid past, Capetonians’ privileged emotions end up perpetuating the main causes of the water crisis and eventually excluding the most disadvantaged inhabitants from future use and control of water resources. Ultimately, by connecting with privileged emotions, it is possible to challenge certain subjectivities and create space for more just and sustainable urban-water imaginaries.