Annual Review of Environment and Resources - Volume 47, 2022
Volume 47, 2022
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A New Dark Age? Truth, Trust, and Environmental Science
Vol. 47 (2022), pp. 5–29More LessThis review examines the alleged crisis of trust in environmental science and its impact on public opinion, policy decisions in the context of democratic governance, and the interaction between science and society. In an interdisciplinary manner, the review focuses on the following themes: the trustworthiness of environmental science, empirical studies on levels of trust and trust formation; social media, environmental science, and disinformation; trust in environmental governance and democracy; and co-production of knowledge and the production of trust in knowledge. The review explores both the normative issue of trustworthiness and empirical studies on how to build trust. The review does not provide any simple answers to whether trust in science is generally in decline or whether we are returning to a lessenlightened era in public life with decreased appreciation of knowledge and truth. The findings are more nuanced, showing signs of both distrust and trust in environmental science.
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Biodiversity: Concepts, Patterns, Trends, and Perspectives
Vol. 47 (2022), pp. 31–63More LessBiodiversity, a term now widely employed in science, policy, and wider society, has a burgeoning associated literature. We synthesize aspects of this literature, focusing on several key concepts, debates, patterns, trends, and drivers. We review the history of the term and the multiple dimensions and values of biodiversity, and we explore what is known and not known about global patterns of biodiversity. We then review changes in biodiversity from early human times to the modern era, examining rates of extinction and direct drivers of biodiversity change and also highlighting some less-well-studied drivers. Finally, we turn attention to the indirect drivers of global biodiversity loss, notably humanity's increasing global consumption footprint, and explore what might be required to reverse the ongoing decline in the fabric of life on Earth.
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COVID-19 and the Environment: Short-Run and Potential Long-Run Impacts
Vol. 47 (2022), pp. 65–90More LessThis review examines observed and hypothesized environmental impacts of the coronavirus disease 2019 (COVID-19) pandemic. Impacts are considered along two axes: timescale (from initial widespread sheltering, to a future after the economic recovery) and causal link (from direct impacts of protective measures, to cascading impacts of policy choices and market and behavioral responses). The available literature documents both positive and negative environmental consequences. These include many early reports of positive impacts (such as clearer skies and wildlife returning to vacated areas). However, it has become clear both that those benefits were largely temporary and that the prolonged health and economic disruptions pose acute risks to many terrestrial and marine ecosystems. Furthermore, this review was completed just as the Omicron variant emerged. Given the pandemic's persistence, the long timescales of cascading impacts, and the inherent lags in research and publication, this review provides an early view of what will eventually be known about the environmental impacts of the pandemic.
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Shepherding Sub-Saharan Africa's Wildlife Through Peak Anthropogenic Pressure Toward a Green Anthropocene
Vol. 47 (2022), pp. 91–121More LessSub-Saharan Africa's (SSA's) iconic biodiversity is of immense potential global value but is jeopardized by increasing anthropogenic pressures. Elevated consumption in wealthier countries and the demands of international corporations manifest in significant resource extraction from SSA. Biodiversity in SSA also faces increasing domestic pressures, including rapidly growing human populations. The demographic transition to lower fertility rates is occurring later and slower in SSA than elsewhere, and the continent's human population may quadruple by 2100. SSA's biodiversity will therefore pass through a bottleneck of growing anthropogenic pressures, while also experiencing intensifying effects of climate change. SSA's biodiversity could be severely diminished over the coming decades and numerous species pushed to extinction. However, the prospects for nature conservation in SSA should improve in the long term, and we predict that the region will eventually enter a Green Anthropocene. Here, we outline critical steps needed to shepherd SSA's biodiversity into the Green Anthropocene epoch.
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The Role of Nature-Based Solutions in Supporting Social-Ecological Resilience for Climate Change Adaptation
Vol. 47 (2022), pp. 123–148More LessSocial-ecological systems underpinning nature-based solutions (NbS) must be resilient to changing conditions if NbS are to contribute to long-term climate change adaptation. We develop a two-part conceptual framework linking social-ecological resilience to adaptation outcomes in NbS. Part one determines the potential of NbS to support resilience based on assessing whether NbS affect key mechanisms known to enable resilience. Examples include social-ecological diversity, connectivity, and inclusive decision-making. Part two includes adaptation outcomes that building social-ecological resilience can sustain, known as nature's contributions toadaptation (NCAs). We apply the framework to a global dataset of NbS in forests. We find evidence that NbS may be supporting resilience by influencing many enabling mechanisms. NbS also deliver many NCAs such as flood and drought mitigation. However, there is less evidence for some mechanisms and NCAs critical for resilience to long-term uncertainty. We present future research questions to better understand how NbS can continue to support social-ecological systems in a changing world.
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Feminist Ecologies
Vol. 47 (2022), pp. 149–171More LessIn times of devastating ecological crisis, where can we find a route map to collectively halt current trends of destruction? In this review, we examine feminist studies’ recent contributions to activism and theorizing regarding extraction, emerging ecologies, and multispecies justice. By bringing in salient research from the fields of feminist political ecology, ecofeminism, and decolonial/anticolonial feminisms, we point to the ways in which feminist thought and action has opened up spaces for recognizing, envisioning, and making life-affirming ecologies rather than extractive systems of destruction. We refer to the former as emergent and emancipatory ecologies, that is, ecologies always in the process of becoming and capable of defying and subverting oppression based on gender, race, ethnicity, class, sexuality, caste, ability, species and other forms of discrimination—and, thus, capable of protecting and defending life and living worlds.
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Sustainability in Health Care
Vol. 47 (2022), pp. 173–196More LessThe academic public health and biomedical communities have a long history of researching and documenting the adverse impacts of pollution on human health. However, the healthcare industry itself is a major contributor to pollution as well as the greenhouse gas (GHG) emissions responsible for global warming. For example, the health sectors of the United States, Australia, England, and Canada are estimated to emit a combined 748 million metric tons of carbon dioxide equivalents annually, equivalent to a nation that would rank seventh in the world for GHG emissions. Moreover, the healthcare sector is a major consumer of natural resources, thereby contributing to the imbalances characteristic of what is increasingly being referred to as the Anthropocene and a threat to planetary health. In this article, we summarize current information on the healthcare industry's environmental footprint and the potential for markedly reducing that footprint by applying the principles and tools of sustainability science. We discuss some of the industry's special challenges, including those associated with new construction (which have undergone relatively little examination in relation to sustainability, despite predictions of accelerated growth). We examine current ideas and efforts to advance sustainability solutions in the healthcare industry, in high-, middle-, and low-income countries alike, where the healthcare industry can be expected to grow the fastest. Finally, we review case studies and discuss research needs.
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Indoor Air Pollution and Health: Bridging Perspectives from Developing and Developed Countries
Vol. 47 (2022), pp. 197–229More LessMuch of the global population spends most of their time indoors; however, air pollution measurement, a proxy of exposure, occurs primarily outdoors. This fundamental disconnect between where the people are and where the measurements are made likely leads to misestimation of the true burden of air pollution on human health, which is already substantial, with exposure leading to approximately 6.7 million deaths yearly. In this review, we describe the two disparate but linked fields commonly referred to as indoor air pollution and household air pollution. Both fields focus on the measurement and characterization of exposures and subsequent health effects that occur primarily in the indoor environment. The former tends to focus on issues in the developed world, whereas the latter focuses on issues in low- and middle-income countries reliant on solid fuels, like wood, dung, coal, and crop residues, for basic household energy needs. Both lead to substantial exposures to air pollutants that are damaging to human health. We describe and contrast both contexts and provide potential topics for conversation between the disciplines.
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State of the World's Birds
Vol. 47 (2022), pp. 231–260More LessWe present an overview of the global spatiotemporal distribution of avian biodiversity, changes in our knowledge of that biodiversity, and the extent to which it is imperilled. Birds are probably the most completely inventoried large taxonomic class of organisms, permitting a uniquely detailed understanding of how the Anthropocene has shaped their distributions and conservation status in space and time. We summarize the threats driving changes in bird species richness and abundance, highlighting the increasingly synergistic interactions between threats such as habitat loss, climate change, and overexploitation. Many metrics of avian biodiversity are exhibiting globally consistent negative trends, with the International Union for Conservation of Nature's Red List Index showing a steady deterioration in the conservation status of the global avifauna over the past three decades. We identify key measures to counter this loss of avian biodiversity and associated ecosystemservices, which will necessitate increased consideration of the social context of bird conservation interventions in order to deliver positive transformative change for nature.
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Grassy Ecosystems in the Anthropocene
Vol. 47 (2022), pp. 261–289More LessAs the Anthropocene advances, there are few parts of Earth that have not been impacted by human influence. Humans have had a long-sustained interaction with grassy ecosystems, but they are becoming severely impacted by direct and indirect impacts as the Anthropocene advances. Grassy ecosystems are easy to clear and cultivate, poorly protected, and poorly defined due to legacies of colonial narratives that can describe them as deforested, wastelands, or derived. Climate change, land conversion, and the erosion of the processes that have shaped grassy ecosystems for millennia have had cascading and cumulative impacts on grassy ecosystem extent and integrity. We examine how these changes are impacting grassy ecosystems, more specifically, those that fall into ecosystem uncertain space—a climate envelope where vegetation is not at equilibrium with climate and either grassy or forest ecosystems can occur. It is within this space that climate, CO2, and disturbances (fire, herbivores) interact to determine the presence of grassy ecosystems. Changes to any of these components reduce the integrity of grassyecosystems. The loss of these ancient biodiverse ecosystems means loss of an array of ecosystem services fundamental to the lives of more than 1 billion people alongside Earth-system impacts of altered albedo, carbon, and hydrological cycles.
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Anticipating the Future of the World's Ocean
Vol. 47 (2022), pp. 291–315More LessOceans play critical roles in the lives, economies, cultures, and nutrition of people globally, yet face increasing pressures from human activities that put those benefits at risk. To anticipate the future of the world's ocean, we review the many human activities that impose pressures on marine species and ecosystems, evaluating their impacts on marine life, the degree of scientific uncertainty in those assessments, and the expected trajectory over the next few decades. We highlight that fundamental research should prioritize areas of high potential impact and greater uncertainty about ecosystem vulnerability, such as emerging fisheries, organic chemical pollution, seabed mining, and the interactions of cumulative pressures, and deprioritize research on areas that demonstrate little impact or are well understood, such as plastic pollution and ship strikes to marine fauna. There remains hope for a productive and sustainable future ocean, but the window of opportunity for action is closing.
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The Ocean Carbon Cycle
Vol. 47 (2022), pp. 317–341More LessThe ocean holds vast quantities of carbon that it continually exchanges with the atmosphere through the air-sea interface. Because of its enormous size and relatively rapid exchange of carbon with the atmosphere, the ocean controls atmospheric CO2 concentration and thereby Earth's climate on timescales of tens to thousands of years. This review examines the basic functions of the ocean's carbon cycle, demonstrating that the ocean carbon inventory is determined primarily by the mass of the ocean, by the chemical speciation of CO2 in seawater, and by the action of the solubility and biological pumps that draw carbon into the ocean's deeper layers, where it can be sequestered for decades to millennia. The ocean also plays a critical role in moderating the impacts of climate change by absorbing an amount of carbon equivalent to about 25% of anthropogenic CO2 emissions over the past several decades. However, this also leads to ocean acidification and reduces the chemical buffering capacity of the ocean and its future ability to take up CO2. This review closes with a look at the uncertain future of the ocean carbon cycle and the scientific challenges that this uncertainty brings.
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Permafrost and Climate Change: Carbon Cycle Feedbacks From the Warming Arctic
Edward A.G. Schuur, Benjamin W. Abbott, Roisin Commane, Jessica Ernakovich, Eugenie Euskirchen, Gustaf Hugelius, Guido Grosse, Miriam Jones, Charlie Koven, Victor Leshyk, David Lawrence, Michael M. Loranty, Marguerite Mauritz, David Olefeldt, Susan Natali, Heidi Rodenhizer, Verity Salmon, Christina Schädel, Jens Strauss, Claire Treat, and Merritt TuretskyVol. 47 (2022), pp. 343–371More LessRapid Arctic environmental change affects the entire Earth system as thawing permafrost ecosystems release greenhouse gases to the atmosphere. Understanding how much permafrost carbon will be released, over what time frame, and what the relative emissions of carbon dioxide and methane will be is key for understanding the impact on global climate. In addition, the response of vegetation in a warming climate has the potential to offset at least some of the accelerating feedback to the climate from permafrost carbon. Temperature, organic carbon, and ground ice are key regulators for determining the impact of permafrost ecosystems on the global carbon cycle. Together, these encompass services of permafrost relevant to global society as well as to the people living in the region and help to determine the landscape-level response of this region to a changing climate.
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Environmental Impacts of Artificial Light at Night
Vol. 47 (2022), pp. 373–398More LessThe nighttime is undergoing unprecedented change across much of the world, with natural light cycles altered by the introduction of artificial light emissions. Here we review the extent and dynamics of artificial light at night (ALAN), the benefits that ALAN provides, the environmental costs ALAN creates, approaches to mitigating these negative effects, and how costs are likely to change in the future. We particularly highlight the consequences of the increasingly widespread use of light-emitting diode (LED) technology for new lighting installations and to retrofit pre-existing ones. Although this has been characterized as a technological lighting revolution, it also constitutes a revolution in the environmental costs and impacts of ALAN, particularly because the LEDs commonly used for outdoor lighting have significant emissions at the blue wavelengths to which many biological responses are particularly sensitive. It is clear that a very different approach to the use of artificial lighting is required.
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Agrochemicals, Environment, and Human Health
Vol. 47 (2022), pp. 399–421More LessGlobal consumption of agrochemicals continues to rise, despite growing evidence of their adverse effects on environmental quality and human health. The extent of increase varies across nations, by type of chemical compounds and by severity of the detrimental impacts. The differential impacts are largely attributable to the level of technology adoption and regulation as well as their enforcement and compliance. The article highlights gaps in technical, legal, and social aspects, which include the paucity of holistic and long-term ecological impact assessment frameworks and lack of consideration for the social dimensions of pesticide use in regulatory decisions. Bridging these gaps, establishing global cooperation for regulation and governance, and a regional/national-level monitoring mechanism are suggested. This, complemented with a policy shift from the current approach of productivity enhancement to augmenting agroecosystem services, would encourage sustainable and nature-positive agriculture equipped to meet the multiple challenges of food security, ecological safety, and climate resilience.
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The Future of Tourism in the Anthropocene
Vol. 47 (2022), pp. 423–447More LessThis article undertakes a comprehensive review of tourism's impacts on social-ecological systems and the use of the local to global commons. It examines a wide range of issues from climate change and air travel to biodiversity loss, pollution, and overtourism. It reinforces that tourism in modernity has pursued a dominant growth-driven paradigm of development and market expansion that is unsustainable. The review raises critical questions about how to move forward in the Anthropocene, where climate change is an existential threat to which travel and tourism must adjust. We offer directions for knowledge creation to develop nature-positive tourism that decouples from greenhouse gas emissions and seeks the regeneration of natural capital and communal health and well-being. This direction includes rethinking the purposes and values of tourism by addressing equity and ethical issues. It also calls for inclusivity of diverse worldviews and knowledge systems, including traditional and Indigenous knowledge. Such a pluralistic paradigm replaces the unsustainable modernist tourism paradigm that has dominated its evolution. We conclude with suggestions for research to advance nature-positive tourism.
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Sustainable Cooling in a Warming World: Technologies, Cultures, and Circularity
Vol. 47 (2022), pp. 449–478More LessCooling is fundamental to quality of life in a warming world, but its growth trajectory is leading to a substantial increase in energy use and greenhouse gas emissions. The world is currently locked into vapor-compression air conditioning as the aspirational means of staying cool, yet billions of people cannot access or afford this technology. Non–vapor compression technologies exist but have low Technological Readiness Levels. Important alternatives are passive cooling measures that reduce mechanical cooling requirements and often have long histories of local use. Equally, behavioral and cultural approaches to cooling play a vital role. Although policies for a circular economy for cooling, such as production and waste, recovery of refrigerants, and disposal of appliances, are in development, more efforts are needed across the cooling life cycle. This article discusses the knowledge base for sustainable cooling in the built environment and its significant, interconnected, and coordinated technical, social, economic, and policy approaches.
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Digitalization and the Anthropocene
Felix Creutzig, Daron Acemoglu, Xuemei Bai, Paul N. Edwards, Marie Josefine Hintz, Lynn H. Kaack, Siir Kilkis, Stefanie Kunkel, Amy Luers, Nikola Milojevic-Dupont, Dave Rejeski, Jürgen Renn, David Rolnick, Christoph Rosol, Daniela Russ, Thomas Turnbull, Elena Verdolini, Felix Wagner, Charlie Wilson, Aicha Zekar, and Marius ZumwaldVol. 47 (2022), pp. 479–509More LessGreat claims have been made about the benefits of dematerialization in a digital service economy. However, digitalization has historically increased environmental impacts at local and planetary scales, affecting labor markets, resource use, governance, and power relationships. Here we study the past, present, and future of digitalization through the lens of three interdependent elements of the Anthropocene: (a) planetary boundaries and stability, (b) equity within and between countries, and (c) human agency and governance, mediated via (i) increasing resource efficiency, (ii) accelerating consumption and scale effects, (iii) expanding political and economic control, and (iv) deteriorating social cohesion. While direct environmental impacts matter, the indirect and systemic effects of digitalization are more profoundly reshaping the relationship between humans, technosphere and planet. We develop three scenarios: planetary instability, green but inhumane, and deliberate for the good. We conclude with identifying leverage points that shift human–digital–Earth interactions toward sustainability.
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Previous Volumes
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Volume 49 (2024)
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Volume 48 (2023)
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Volume 47 (2022)
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Volume 46 (2021)
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Volume 45 (2020)
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Volume 44 (2019)
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Volume 43 (2018)
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Volume 42 (2017)
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Volume 41 (2016)
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Volume 40 (2015)
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Volume 39 (2014)
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Volume 38 (2013)
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Volume 37 (2012)
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Volume 36 (2011)
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Volume 35 (2010)
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Volume 34 (2009)
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Volume 33 (2008)
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Volume 32 (2007)
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Volume 31 (2006)
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Volume 30 (2005)
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Volume 29 (2004)
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Volume 28 (2003)
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Volume 27 (2002)
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Volume 26 (2001)
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Volume 25 (2000)
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Volume 24 (1999)
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Volume 23 (1998)
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Volume 22 (1997)
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Volume 21 (1996)
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Volume 20 (1995)
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Volume 19 (1994)
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Volume 18 (1993)
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Volume 17 (1992)
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Volume 16 (1991)
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Volume 15 (1990)
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Volume 14 (1989)
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Volume 13 (1988)
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Volume 12 (1987)
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Volume 11 (1986)
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Volume 10 (1985)
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Volume 9 (1984)
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Volume 8 (1983)
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Volume 7 (1982)
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Volume 6 (1981)
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Volume 5 (1980)
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Volume 4 (1979)
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Volume 3 (1978)
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Volume 2 (1977)
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Volume 1 (1976)
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Volume 0 (1932)