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A Climate of Risks

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Abstract

This chapter delves into the identity and character of climate and climate change risks. These risks are socially constructed and, as such, respond to dynamic changes in society. By examining climate and climate change risks from three contrasting temporal perspectives, the shifts in these risks can be brought to light. Historical, contemporary and future manifestations of climate change and climate risks are examined in turn. Climate change as a ‘threat multiplier’ that exacerbates pre-existing hazards and risks through environmental degradation and depletion of the earth’s resources is explained. The chapter finishes with a discussion of the distinctive character of climate risks.

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Precaution is usually associated with the intuition that it is better to be safe than sorry, and/or that it is sometimes necessary to act in advance of scientific certainty to prevent harmful outcomes. At this point, we cannot entirely prevent climate change, but we can affect how harmful such change is. Adaptation may therefore be understood as a precautionary measure against the damage due to climate change. 'The' precautionary principle alone is too vague to shape adaptation policy, but a limited catastrophic precautionary principle may productively guide adaptation policy makers. I argue in this paper that an explicit commitment to a precautionary approach based on the catastrophic precautionary principle could and should be made to strengthen the adaptation policies introduced at the United Nations Framework Convention on Climate Change (UNFCCC).
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Climate change is no longer a distant possibility. Potentially harmful climatic changes are already underway. If we want to or believe we ought to minimize the harmfulness of eventual climate impacts it will therefore be necessary for us to adapt to our changing climate. As people will be differentially affected by climate impacts depending on when, where, and in what circumstances they live, adaptive measures will have to vary with context. It turns out that those least causally responsible for climate change are predicted to suffer the most from climate impacts. As these are disproportionally the world's poor and their vulnerability is partly due to their poverty, adaptation will often intersect with development. Determining who should be held responsible for meeting the costs of adaptation, the topic of this review, is therefore a difficult task. After reviewing the relevant literature, this review identifies the need for further work on the conceptual and practical issues that arise when thinking about the ethics of adaptation. WIREs Clim Change 2011 2 687–700 DOI: 10.1002/wcc.132 This article is categorized under: Climate, Nature, and Ethics > Ethics and Climate Change
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For at least as long as the birth of environmentalism, discourses of ecological crisis have adopted, both consciously and unconsciously, themes and concepts derived from Jewish and Christian Apocalypses. These are ancient texts remembered best for their cosmic and spiritual revelations about the world and the world to come. The scope and methods of this adoption have varied widely: from symbolic representation (images of the Four Horsemen, for instance) to the influence of end‐time belief upon environmental policy. More recently, references to apocalypse have accompanied the study of climate change specifically. However, they have tended to do so without more than a superficial engagement with the theological and philosophical underpinnings of apocalyptic faith. This review article addresses this issue by engaging the meanings of apocalyptic faith within four distinct areas in the interdisciplinary study of climate change: (1) Christian ecotheology; (2) critical and social scientific discourse; (3) policy and media communications; and (4) contemporary philosophy and ethics. WIREs Clim Change 2014, 5:233–246. doi: 10.1002/wcc.264 This article is categorized under: Climate, History, Society, Culture > Ideas and Knowledge Trans‐Disciplinary Perspectives > Humanities and the Creative Arts
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In this essay Chakrabarty engages with Paul J. Crutzen and Eugene F. Stoermer's concept of the'anthropocene,'proposed in 2000 to describe the geological epoch in which humans exist as the main geological force. Chakrabarty asks how fierce and irreversible climat change impacts our thinkingabout human history. Analysingthe assumptions of classical historiography as well as current research on global warming, Charkabarty concludes that in the face of climate change it becomes necessary to supplement global histories of capital with a species history of humans.
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A climate 'tipping point' occurs when a small change in forcing triggers a strongly nonlinear response in the internal dynamics of part of the climate system, qualitatively changing its future state. Human-induced climate change could push several large-scale 'tipping elements' past a tipping point. Candidates include irreversible melt of the Greenland ice sheet, dieback of the Amazon rainforest and shift of the West African monsoon. Recent assessments give an increased probability of future tipping events, and the corresponding impacts are estimated to be large, making them significant risks. Recent work shows that early warning of an approaching climate tipping point is possible in principle, and could have considerable value in reducing the risk that they pose.
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Despite a history of problems, nuclear power is being discussed as a potentially useful and appropriate electricity source for both developed and developing countries. For example, expanding nuclear power's share of electricity portfolios could reduce, relative to a fossil-intensive baseline, greenhouse gas emissions that lead to climate change. Moreover, nuclear power has long been advocated as a route to energy security and indeed, for many of the nuclear nations, it could decrease dependence on oil imports under certain technological scenarios, such as an increased use of plug-in hybrid vehicles. The nuclear industry argues that a new generation of reactors, representing a refinement of existing technology, will enable this expansion. Because of these new motivations, some advocates have applied the term ‘nuclear renaissance’ to the possibility of a rapid expansion of nuclear power to satisfy a projected growing global electricity demand, while simultaneously reducing greenhouse gas emissions. This article outlines the primary challenges that this unique energy source presents for such a renaissance. Like other technologies, nuclear is situated in a social and political–economic matrix that influences its evolution. After reviewing the basic aspects of the technology, I discuss the history of the existing nuclear fleet, then address the prospects for advanced and next-generation nuclear technologies. I review the economics of nuclear power as it is currently deployed and the potential changes to these economics under potential future development. In examining future scenarios, I explore the effects of national and international policies on nuclear energy. WIREs Clim Change 2011 2 397–411 DOI: 10.1002/wcc.113 For further resources related to this article, please visit the WIREs website
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Schemes to modify large-scale environment systems or to control climate have been seriously proposed for over 50 years, some to (1) increase temperatures in high latitudes, (2) increase precipitation, (3) decrease sea ice, (4) create irrigation opportunities or to offset potential global warming by spreading dust in the stratosphere to reflect away an equivalent amount of solar energy. These and other proposed geoengineering schemes are briefly reviewed from a historical perspective. More recently, many such schemes to advertently modify climate have been proposed as cheaper methods to counteract inadvertent climatic modifications than conventional mitigation techniques such as carbon taxes or pollutant emissions regulations. Whereas proponents argue cost effectiveness, critics of geoengineering argue that there is too much uncertainty to either (1) be confident that any geoengineering scheme would work as planned, or (2) that the many decades of international political stability and cooperation needed for the continuous maintenance of such schemes to offset century long inadvertent efforts is problematic. Moreover, there is potential for transboundary conflicts should negative climatic events occur during geoengineering activities since, given all the large uncertainties, it could not be assured to victims of such events that the schemes were entirely unrelated to their damages. Nevertheless, although I believe it would be irresponsible to implement any large-scale geoengineering scheme until scientific, legal and management uncertainties are substantially narrowed, I do agree that, given the potential for large inadvertent climatic changes now being built into the earth system, more systematic study of the potential for geoengineering is probably needed.
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Climate engineering, or geoengineering, refers to large-scale climate interventions to lower the earth's temperature, either by blocking incoming sunlight or removing carbon dioxide from the biosphere. Regarded as ‘technofixes’ by critics, these strategies have evoked concern that they would extend the shelf life of fossil-fuel driven socio-ecological systems for far longer than they otherwise would, or should, endure. A critical reading views geoengineering as a class project that is designed to keep the climate system stable enough for existing production systems to continue operating. This article first examines these concerns, and then goes on to envision a regime driven by humanitarian agendas and concern for vulnerable populations, implemented through international development and aid institutions. The motivations of those who fund research and implement geoengineering techniques are important, as the rationale for developing geoengineering strategies will determine which techniques are pursued, and hence which ecologies are produced. The logic that shapes the geoengineering research process could potentially influence social ecologies centuries from now.
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Climate change is increasingly been called a ‘security’ problem, and there has been speculation that climate change may increase the risk of violent conflict. This paper integrates three disparate but well-founded bodies of research – on the vulnerability of local places and social groups to climate change, on livelihoods and violent conflict, and the role of the state in development and peacemaking, to offer new insights into the relationships between climate change, human security, and violent conflict. It explains that climate change increasingly undermines human security in the present day, and will increasingly do so in the future, by reducing access to, and the quality of, natural resources that are important to sustain livelihoods. Climate change is also likely to undermine the capacity of states to provide the opportunities and services that help people to sustain their livelihoods. We argue that in certain circumstances these direct and indirect impacts of climate change on human security may in turn increase the risk of violent conflict. The paper then outlines the broad contours of a research programme to guide empirical investigations into the risks climate change poses to human security and peace.
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