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When so many facets of nonhuman life are commodified daily with little challenge, this paper looks to shed light on what is objectionable about commodifying nonhuman life. As a contribution in this direction, we undertake a comparative examination of the formation of two different but equally lively, and international, commodities: exotic pets and ecosystem carbon. In this paper we first set out to understand what characteristics of life matter in the production of the commodity. We argue that a particular mode of value-generating life predominates in each commodity circuit: in exotic pet trade, an individualized, 'encounterable' life; in ecosystem services, an aggregate, reproductive life. Second, we find that hierarchies between humans and other beings are highly generative in the formation and effects of lively commodities. On one hand, these hierarchies cast nonhumans in a disposable state that is integral to the functioning of exotic pet trade; on the other hand, these hierarchies are partly what ecosystem services are designed to address. Nevertheless, we find that reproduction of uneven species geographies is at work in both economies. The degree and nature of effect on the material conditions of nonhuman lives is, however, distinct, and our conclusion calls for greater attention to these differences. [ABSTRACT FROM AUTHOR]

In the context of sub-global participation in greenhouse gas mitigation efforts, this paper investigates the effectiveness of a Canada-U.S. emissions bubble under their existing regional trade agreement. It also explores the potential economic impact of carbon tariff harmonization through the implementation of a common Canada-U.S. external border tariff adjustment as a mean to address competitiveness issues. Using a multi-region, multi-sector computable general equilibrium model the paper finds that the creation of an emission bubble between the two countries could improve efficiency. The findings also suggest that a carbon tariff harmonization policy could give rise to distributional issues among Annex I regions and could fail to mitigate the negative competitiveness impacts of carbon abatement policies. [ABSTRACT FROM AUTHOR]

This paper engages key social theories of transnational mobilities in order to forge the concept of urban 'green' cosmopolitization, posited as a social scientifi c contribution to epochal conversations on climate change. Bringing Ulrich Beck's notion of 'cosmopolitization' to bear on recent work around 'urban policy mobilities', I analyze professional planning practices in large-scale world cities as privileged sites for contemporary imaginings and material implementations of low-carbon sociotechnical change. Focusing on the regions of Europe and Asia, I show how specifi c policies and technologies of urban greening circulate in intercity sustainability networks. These networks, I suggest, serve to organize processes of professional engagement with climate change around notions of innovation, learning, and 'best practice' policy transfer among urban professionals--thereby also excluding more 'radically' alternative futures. The paper then turns to explore how such green cosmopolitization works as a social force within specifi c urban localities, employing two ethnographic case studies into 'ambitious' low-carbon planning projects in Copenhagen and Kyoto, respectively. In particular, my analysis explores how place-based notions of 'culture' are mobilized in the urban visions of architects and engineers as resources for addressing global environmental risks. These spaces of urban green cosmopolitization, I conclude, emerge at the intersection of professional and vernacular ethico-political attachments, thereby reworking--in often contentious ways--how particular urban materials and spaces can be understood in reference to an emerging moral geography of shared climatic risks. [ABSTRACT FROM AUTHOR]

In this paper, we analyse infrastructure needs of the European natural gas market in response to decarbonisation of the European energy system. To this end, we use numerical modelling and apply the Global Gas Model. We investigate three pathways of future natural gas consumption: i) a decreasing natural gas consumption, following the scenarios of the EU Energy Roadmap 2050; ii) a moderate increase of natural gas consumption, along the lines of the IEA's New Policies Scenario; and iii) a temporary increase of natural gas use as a "bridge" technology, followed by a strong decrease after 2030. Our results show that current import infrastructure and intra-European transit capacity are sufficient to accommodate future import needs in all scenarios. This is despite a pronounced reduction of domestic production and a strong increase in import dependency. However, due to strong demand in Asia, Europe must increasingly rely on exports from Africa and the Caspian region, leading to new infrastructure capacity from these regions. When natural gas serves as a "bridge" technology, short-term utilisation rates of LNG import capacity temporarily increase instead of instigating large scale pipeline expansions. [ABSTRACT FROM AUTHOR]

Recent climate change statistics attribute over a quarter of carbon emissions to residential energy use in the United Kingdom. To address this, a building standard (Code for Sustainable Homes) was introduced to aim to reduce the levels of carbon dioxide emissions and energy consumption. This paper analyzes how such an environmental standard reconfigures the sociotechnological relations and practices of housing professionals that design, construct, and manage social housing. We focus on how actors engage with the standard’s recommendation for incorporating low and zero carbon technologies into new buildings. We identify diverse practices that emerge from these engagements, which, we contend, have significant consequences for the working relationships of professional actors and for renewable energy provision. By being entwined in, and generative of actors’ practices, we argue that the Code becomes part of the sociotechnological relationships and infrastructures that shape energy provision. [ABSTRACT FROM AUTHOR]

In this paper we examine how theories of sustainable and ethical consumption help us to understand a new, rapidly expanding type of consumer product designed to mitigate climate change: carbon offsets. The voluntary carbon offset market grew by 200% between 2005 and 2006, and there are now over 150 retailers of voluntary carbon offsets worldwide. Our analysis concentrates on the production and consumption of carbon offsets, drawing on ideas from governmentality and political ecology about how narratives and technologies are used to create particular types of consumer subjectivities and shape consumer choice. We critically examine three narratives that offset producers are using to position carbon offsets and examine how these narratives are shaping circuits of carbon offset production and consumption. We assess the implications for the future governance of voluntary carbon offset markets and for the study of alternative consumption. [ABSTRACT FROM AUTHOR]

Carbon dioxide emissions abatement in a group of countries can result in increased emissions in non-abating countries. This effect has been referred to as carbon leakage. The Kyoto Protocol calls for a number of industrialized countries to limit their emissions while other countries have no abatement commitments. This paper assesses the sectoral and regional determinants of the leakage in a static multi-sector, multi-regional computable general equilibrium model. In baseline estimates based on our model, the Kyoto Protocol leads to a carbon leakage rate of 10 percent. A decomposition technique is applied which attributes increases in CO[sub 2] emissions by non-participating countries to specific sectors in the abating countries. This information is important for the debate on the tax exemptions for certain industries in the participating countries as it provides information for the most- and least-leakage contributing sectors of the economy. Additional calculations indicate the need for caution in the carbon tax design. Exemptions of any sector from a carbon tax are not justified because they lower welfare in a region. The degree of sectoral and regional data disaggregation, and international capital mobility do not change the leakage rate significantly. Fossil-fuel supply elasticities and trade substitution elasticities are crucial determinants for projecting the total Worm emissions of CO[sub 2]. [ABSTRACT FROM AUTHOR]