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Created in 2018, the Climate Fresk workshop aims to raise awareness on climate change issues in an engaging and accessible way. This thesis draws on Social Interactionism, Uses and Gratification and Sociocultural Theory of Learning to conceptualize the workshop’s communicative strategies for conveying the complexities of climate change to the workshop participants. Through a synthetization of insights from various disciplines and exploration of innovative communication strategies, the study bridges the gap between knowledge and action, contributing to the semi-underexplored field of communication roles in game-based learning approaches to climate change education. Key findings reveal that tools such as informational materials, visuals, simplified scientific data, and creative techniques significantly enhance participants' understanding of climate change. The emphasis on group autonomy and collective discussions fosters a deeper understanding of climate change's complexities, highlighting the necessity for collective action. These results underscore the potential of effective communication in educational workshops to inspire individuals and communities to proactively respond to climate change, through collaborative action and by shifting the focus from individual to broader community-based efforts.

<p> Despite the absence of a binding global climate agreement, many advanced economies have enacted or attempted major national climate reforms over the past two decades. What accounts for variation between countries in the timing and ambition of these national climate policies? In this dissertation, I draw on literatures from comparative political economy, public policy and environmental politics to develop a new theory of climate policy conflict that explains national climate policymaking trajectories across advanced economies.</p><p> My argument proceeds in two parts. First, I detail a recurrent pattern of climate policy conflict that I describe as the <i>logic of double representation</i>. When the climate threat emerged in the late 1980s, this new issue exposed latent differences in the material interests of otherwise similar economic stakeholders, particularly labor and business actors. As a result, climate policy opponents became embedded in both left-leaning and right-leaning political coalitions. In political systems where organized labor was allied with the largest left-wing party and emissions-intensive businesses were allied with the largest right-wing party, a `double representation' of emissions-intensive economic interests resulted. In these cases, parties on both sides of the ideological spectrum had factions representing the interests of carbon-intensive constituencies within climate policy debates. This dynamic privileged carbon polluters' voice in climate policymaking.</p><p> Second, I argue there is an interaction between these cross-cutting climate policy preferences and domestic political institutions. Domestic political institutions can either strongly or weakly reinforce the logic of double representation, depending on carbon-dependent economic actors' access to climate policy design. This access is shaped by policymaking institutions, for instance through corporatist links between economic stakeholders and policymakers. Access is also a function of political organizations, for instance through historically contingent links between labor or business associations and political parties. I show how carbon-dependent economic actors' differential access to climate policy design creates two distinct causal pathways that can both lead to climate policy enactment. The first pathway occurs when carbon polluters control climate policy design. In this pathway, producer-friendly climate policies are enacted with little political conflict. The second pathway occurs when carbon polluters have more limited influence on climate policy design. This pathway leads to less producer-friendly policies and greater political conflict. I then show how institutional differences between countries condition the prevalence of these two pathways, helping to explain cross-national differences in national climate policies' timing and content.</p><p> I develop and test this account of national climate policy conflict using detailed qualitative analysis of climate politics in three advanced economies: Norway, the United States and Australia. In each case, I process-trace the dynamics of political decisionmaking on national climate reforms from the emergence of climate change as a political threat in the 1980s to the present. This analysis draws from 101 semi-structured interviews across all three countries conducted between 2013 and 2015, including conversations with former heads of state, party leaders, cabinet ministers, elected officials, senior bureaucrats, business executives, labor leaders, and environmental advocates. The analysis also draws from government documents, stakeholder publications, media reports and archival records. Finally, I probe the generalizability of my analysis by testing whether the causal processes identified within the dissertation's three primary cases extend to two shadow cases: Germany and Canada.</p><p> To date, many climate policy proponents have focused on international institutions to facilitate climate policy cooperation. However, my distributive-institutional account of national climate policymaking suggests that climate policy inaction is less rooted in the absence of a binding global agreement and instead results from domestic distributive conflict over climate policymaking. The presence of a global climate agreement will not automatically bridge domestic divisions. Instead, efforts to manage the global climate crisis should recognize that climate policymaking requires a fundamental renegotiation of the economic institutions that structure advanced economies. Understanding the conditions under which climate policy advocates can win in distributive climate conflict will involve moving beyond economic frames in evaluating the efficacy of climate reforms, rethinking the importance of collective action institutions to climate risk mitigation, and tailoring policy instruments to strategically address carbon polluters' differentiated influence on climate policy design.</p>

<p> The population and industrial complexes of Choctaw County obtains much of its water from an aquifer system in the Tertiary age Wilcox unit of the Mississippi Embayment. Utilizing 20 years of physical chemistry (P-Chem) analysis, potentiometric groundwater records of Choctaw County public water wells as well as industrial P-Chem analysis and surface and ground water level records from an industrial complex, this study examined the changes to the hydrosphere that has taken place since 1995. Analysis of the hydrosphere shows that over the last 20 years, there has been a drop in the potentiometric surface of the Wilcox aquifer system. The analysis also shows changes in the P-Chem of the hydrosphere, changes such as a decrease in the concentration of free CO2 and chloride, and fluctuations of Alkalinity. Comparisons between groundwater records taken from the industrial complex and other locations around Choctaw County, show little variation in the physical chemistry.</p>

A widely observed tracer in the field of oceanography is dissolved oxygen (O2). A tracer crucial to ocean biogeochemical cycles, O2 plays an active role in chemical processes, marine life, and ecosystems. Recent advances in observation and numerical simulation have introduced opportunities for furthering our understanding of the variability and long-term changes in oceanic O2. This work examines the underlying mechanisms driving O2 variability and long-term changes. It focuses on two distinct time-scales: intra-seasonal variability (i.e., a time scale of less than a month) and centennial changes in O2. The first half of this work analyzes state-of-the-art observations from a profiling float in an investigation of the mechanisms driving the intra-seasonal variability of oceanic O2. Observations from the float show enhanced intra-seasonal variability (i.e., a time scale of about two weeks) that could be driven by isopycnal heaving resulting from internal waves or tidal processes. Observed signals could result from aliased signals from internal waves or tides and should be taken into account in analyses of the growing observational dataset. The methods proposed in this study may be useful for future analyses of high-frequency tracer variability associated with mesoscale and sub-mesoscale processes. Using outputs from state-of-the-art earth system models and a suite of sensitivity experiments based on a general circulation and biogeochemistry ocean model, the second half of this work focuses on investigating mechanisms regulating centennial changes in O2. It explores the aspect of anthropogenic climate change (e.g., changes in the sea surface temperature and wind stress fields) that significantly impacts oceanic O2, focusing specifically on tropical oxygen minimum zones. Results suggest that ocean heating induces a water mass shift, leads to decrease apparent oxygen utilization (AOU) in the tropical thermocline. The AOU decrease compensates the effect of decrease in oxygen saturation due to the ocean warming. Our sensitivity experiments show that both physically (i.e., age) and biologically (i.e., the oxygen utilization rate) driven AOU will contribute almost equally to controlling changes in oceanic O2 in the next century. However, additional sensitivity experiments indicate that physically and biologically driven AOU balance has regional characteristics. We need to address the unanswered question of how varying large-scale oceanic circulations regulate this balance and answer fundamental questions that lead to a more comprehensive understanding of the mechanisms that control the variability and the future evolution of oceanic O2.

Recent (post-1950s) climate change impacts on society and ecosystems have been recognised globally. However these global impacts are not uniform at regional or local scales. Despite research progress on such scales there are still gaps in the knowledge as to 'what' is happening and 'where'? The goal of this study addresses some of these gaps by analysing climate variability and vegetation response at the furthest south westerly peninsula of the United Kingdom. This research is focused on West Cornwall (South West England) - an area dominated by a strong maritime influence. The first part of this PhD research analysed archive and contemporary instrumental data in order to detect any trends in climate variability. The weather data was retrieved from the Met Office archive for Camborne 1957-2010 and Culdrose 1985-2011 stations; Trengwainton Garden (1940-2010), and from the Royal Cornwall Polytechnic Society, for Falmouth (1880-1952) and Helston (1843-1888). The data showed positive trends in mean annual and maximum temperature with the largest trend magnitude in the 20th and 21st century. Seasonal temperature change varies locally with the highest increase in autumn spring and summer. Precipitation trends were only positive for the 19th century for Helston. Correlation between precipitation data and North Atlantic Oscillation (NAO index) was negative, however the opposite result was detected when the NAO index was correlated with temperatures. Surprisingly, return period analysis showed a decrease in the frequency and intensity of extreme precipitation events post 1975 for Camborne and Trengwainton Garden stations. The second part of this study analysed changes in vegetation distribution in West Cornwall using historical and contemporary vegetation records. Historical vegetation records were used from the Flora of Cornwall collection of herbarium records and contemporary vegetation records which were available online, containing mainly the 'New Atlas of British and Irish flora'. Data sets were geo-referenced using ArcGIS in order to analyse changes in species geographical distribution pre and post-1900. Analysis showed that historical vegetation records can be used to assess any changes in geographic distributions of vegetation. Analysis for the area of West Cornwall showed a loss of range for 18 species, for 6 species this loss was larger than 50% of the area, and there was no change in overall range area for 10 species. Ellenberg values and environmental indicator values showed that they can be used as an indicator of environmental change, showing a decrease in species with lower January temperatures. Analysis also showed an increase in moderate wetter species, where species with extreme low and high precipitation environmental indicator values showed a greater loss. Furthermore species with a higher requirement for light showed a loss as well as species with lower nitrogen values. To analyse the loss of species at the local scale, West Cornwall was divided into three areas (North Border Cells, Central West Cornwall Cells and South Border Cells). The highest loss of 11 species was detected for South Border Cells, where the loss for Central West Cornwall Cells was 6 and for North Border Cells 8 species. It was found that 17 species were experiencing loss on different local sites. For 9 of these 17 species, change at the local scale was different to the national scale change at the individual species level, group level and habitat level. Furthermore, the whole area of West Cornwall lost two species post-1900, with a different loss locally. This showed that species could be protected locally in appropriate microclimate refugia, which will be of benefit for the preservation of regional identity ecosystem services and overall genetic pool of the species.

Scientific knowledge is often relied upon for informing crucial societal decisions. Where this knowledge is uncertain, and/or where these decision are made amidst a contexted political landscape, science tends to become the focus of intense scrutiny, as has been evident throughout the history of climate change politics. One consequence is that instead of "scientising" decision-making, science itself becomes more explicitly politicised. This thesis argues that in order to contribute to contemporary debates about the governance of science, it is essential to move beyond the question of whether or not policy-relevant scientific knowledge is credibly and to examine how scientific knowledge is made to be credible. Drawing upon the concept of co-production and other insights from Science & Technology Studies (STS), this thesis presents a detailed examination of how research into the health impacts of climate change (infectious diseases especially) gradually gained in prominence in both public health and climate change circles. Particular analytical attention is paid to an epistemic community of climate change and health (CCH) researchers, following the ways in which they interacted with global political entities such as the World Health Organization (WHO) and the Intergovernmental Panel of Climate Change (IPCC). Based upon in-depth interviews with actors intimately involved in CCH research, this thesis documents how the rise of CCH research influenced and was influenced by particular scientific and political contexts related to the governance of climate change as well as emerging infectious disease. The examination of a longstanding controversy surrounding CCH research reveals many socio-economic and political assumptions embedded in it, further demonstrating its contingency. However, despite that CCH research is both uncertain and contested, actors in the political world often need to know what the state-of-the-art of the field is. To examine the implications of this, the CCH controversy as treated by the assessment reports of the Intergovernmental Panel on Climate Change (IPPC) is explored. Although IPCC follows a complicated set of procedures aimed at ensuring scientific and political legitimacy, this thesis demonstrates that values and normative judgements are important components of scientific assessments, helping to co-construct particular science-policy orderings at the expense of alternative ones. Amidst ongoing debates about how to shore-up the credibility of climate change science and politics, this thesis argues that the way in which IPCC assessments are currently performed, as well as their tendency to present findings as "consensus", may undermine their political and scientific credibility.

This thesis is a study of the cultural politics of environmentalism in an era of climate change and the public curriculum that it generates. Scientists and the policy elite alone are unlikely to solve the ‘wicked problem’ of climate change, even in the unlikely scenario that consensus was reached and concerted international action was forthcoming. Increasingly, it is recognised that institutional learning through technocratic refinements of the status quo are inadequate. Although there is widespread belief that anthropogenic global warming is an urgent problem, political action has not followed scientific knowledge, because we have been slow to recognise the problem’s cultural implications. A range of voices within the environmental movement (broadly conceived) have increasingly challenged technocratic policy framing, with new ways of thinking. By widening the debate these critical voices increase the possibility of learning to react in new ways, which increase the capacity for collective agency. Based on this assessment, the aim of this thesis is to explore the ways in which the cultural politics of particular activist milieus generate public curriculum, through catalyzing the relationship between the cultural politics of civil society and the political culture of the state. From the 1960s onwards, the environmental movement has undergone a process of differentiation and specialisation, such that distinct cultural formations – oriented around direct action, relocalisation, and professional campaigning – emerged. Different ideal typical modes of “climate change communication” – agonistic pluralism, public participation, and social marketing (Carvalho & Peterson, 2012) – can be mapped onto the public pedagogies of these activist cultures. Political theorist Chantal Mouffe (2005, p. 20) uses the term agonistic pluralism to describe a situation where the “adversary” is understood in a productive sense to be “a crucial category for democratic politics”: where this is denied, we/they relations are understood to be “antagonistic” in the sense that conflicting parties do not recognise the legitimacy of one another. This view recognises the power play and affective commitments that determine modes of political association. On the other hand, “public participation” views politics as constituted through non-partisan rational deliberation in legitimate public fora. Finally, “social marketing” approaches discard the notion of people as rational decision makers, but also discard the principle of public participation in favour of the notion that political communication can be improved through expert evidence-based interventions. Cultures of direct climate action tend towards agonistic communicative styles, characterised by contestatory moments and a public pedagogy of “defining the enemy” (Newman, 1994). On the other hand, this approach has been perceived as problematic by movement intellectuals in relocalisation movements, who have argued that the non-politicised experimental practices of local communities, which engage optimistically with a sense of the possible, may in the long run, be more productive of the kind of mass cultural value shift required in order to tackle climate change. More recently, reflecting their own situated organisational structures and actor-networks, knowledge workers in the professional campaigning sector have increasingly applied insights from social psychology, behavioural economics, and cognitive science in order to find ways that engage tacit cultural values and norms in their public pedagogical efforts. In seeking to ascertain the ideal conditions for communication, the ENGO sector aligns most closely with a ‘social marketing approach’ to public pedagogy. Working with the ‘agonistic’ discourse theory of Chantal Mouffe and Ernesto Laclau, I believe that all cultures of activism necessarily engage in a contingent politics of articulation, at the heart of which lies antagonism and hegemonic struggle. In this thesis, I construct an intertextual research model, capable of exploring the contingent processes of articulation within cultures of climate change activism, between them, and between the movement at large, and the wider public, as they engage (implicitly or explicitly) in hegemonic struggles that provide moments of educative potential to activists, bystanders and politicians. I argue that the public pedagogies of these cultures of activism cohere around the articulation of what Laclau (2005) would call “empty signifiers”, which link particular claims, interests, and identities through creating a frontier separating them from an outside, which partially constitutes the inside’s identity.

<p> The goal of this qualitative single-case study was to investigate the problem with more than 50% of Americans admitting they are not prepared for natural disasters before they occur. The sample for this study was 24 purposively selected Hurricane Sandy survivors in New York and New Jersey who were 25 years of age or older. Data was collected through ten open-ended interview questions presented during telephone interviews. This study was guided by the theoretical framework of normative risk management decision making. Thematic analysis was used to code and analyze the data collected. This study was focused on answering two broad research questions related to why more than 50% of Americans are not prepared for natural disasters before they occur and the factors that prevent them from preparing. The major recommendations for future research and practice were related to the lack of a distinction between individuals who perceive they are prepared (who are deemed unprepared according to regulatory guidelines) and the possibility they are included with the more than 50% of Americans who are not prepared although they require modification of preparedness behavior while individuals who are not prepared require adoption of preparedness behavior. The other recommendations describe the factors that prevent individuals from preparing as lack of notification and signaling communications that indicate a natural disaster is imminent and expected to be severe; and individual disbelief in the validity of the communications. This study contributes to filling the gap in the literature related to the lived experience with natural disasters. </p>

<p> The importance of effective leadership practices as related to environmental issues and climate change is well established by climate change policy negotiators and there has been an increasing trend in leadership roles being created in organizations to address environmental issues. Organizational change efforts focused on social responsibility initiatives, such as changing environmentally relevant behaviors, often generate significant costs for organizations without contributing to desired results and messages from leaders to stakeholders in organizations do not frequently align with performance related to those messages. The science of behavior analysis focuses on the prediction and influence of socially significant behavior and provides principles to address performance in organizational settings. In the current study, principles of behavior analysis were applied to examine the relationship between a leader&rsquo;s verbal behavior with an employee and that employee&rsquo;s performance. Antecedent rule statements about climate change and human behavior were emailed by a leader to employees to examine the effect of those communications on employee energy consumption as related to each individual employee&rsquo;s values about anthropogenic climate change. In an analysis of employee reported values as related to human-caused climate change and the effects of leader communication on energy consumption behavior based on those individual values, results provided additional information about the potential utility of tailoring leader communication to employee values and also provided findings that informed future research directions in the area of the effect of a leader&rsquo;s verbal behavior on employee performance in context of values.</p>