首页 | 本学科首页   官方微博 | 高级检索  
相似文献
 共查询到20条相似文献,搜索用时 31 毫秒
1.
While greenhouse gas (GHG) emissions are projected to rise primarily in the developing countries, the potential for developing new GHG mitigation technologies exists primarily in the industrialized countries. It is thus important, not only for predictions about future emission paths but also for climate change mitigation policies, to understand how the international diffusion of such technologies takes place and how it affects the energy infrastructure and GHG emissions in developing countries. This paper provides an overview of the channels through which these technologies diffuse and focuses on the empirical evidence pertaining to the effects these technologies have on GHG emissions in developing countries.
Sonja PetersonEmail:
  相似文献   

2.
While there is a growing body of knowledge on potential impacts of climate change on water availability, there has been much less empirical research on exploring the viability of particular adaptation options. The participation of stakeholders in defining appropriate adaptation strategies is increasingly recognized as a critical element in the translation of climate change impact research into effective actions to reduce future vulnerability, yet the process by which stakeholders are included in such initiatives is not well-defined. This article presents the results of a pilot project in which a participatory approach was employed to identify and evaluate adaptation options to climate change scenarios for Sonora’s capital city, Hermosillo. In an iterative process, stakeholders representing different water users and managers in the city met to discuss climate change scenarios, identify specific adaptation options, and evaluate a subset of options for possible future implementation. This process enabled the focus of the investigation on those adaptations that addressed not only concerns with the potential future impacts of climate change but also the immediate and pressing concerns about development patterns and water use in the city. Two of the adaptations to climate change identified by stakeholders would also reduce energy demand. The simplicity of the approach makes it a feasible model for adaptation initiatives in other regions of Mexico and in other countries in Latin America.
Osvaldo LandavazoEmail:
  相似文献   

3.
Climate change programs have largely used the project-specific approach for estimating baseline emissions of climate mitigation projects. This approach is subjective, lacks transparency, can generate inconsistent baselines for similar projects, and is likely to have high transaction costs. The use of regional baselines, which partially addresses these issues, has been reported in the literature on forestry and agriculture projects, and in greenhouse gas (GHG) mitigation program guidance for them (e.g., WRI/WBCSD GHG Project Protocol, USDOE’s 1605(b) registry, UNFCCC’s Clean Development Mechanism). This paper provides an assessment of project-specific and regional baselines approaches for key baseline tasks, using project and program examples. The regional experience to date is then synthesized into generic steps that are referred to as Stratified Regional Baselines (SRB). Regional approaches generally, and SRB in particular explicitly acknowledge the heterogeneity of carbon density, land use change, and other key baseline driver variables across a landscape. SRB focuses on providing guidance on how to stratify lands into parcels with relatively homogeneous characteristics to estimate conservative baselines within a GHG assessment boundary, by applying systematic methods to determine the boundary and time period for input data.
Kenneth AndraskoEmail:
  相似文献   

4.
In this paper we analyze policy interactions between two innovative climate and energy policy instruments, namely White Certificates (WhC) and Joint Implementation (JI) that target at energy efficiency improvement and reductions of Greenhouse Gas (GHG) emissions. We have selected The Netherlands and Bulgaria as a case study given that the former has a cumulated experience in energy efficiency policies and the latter for a growing potential in JI projects as a host country. Based on a method of analyzing policy interactions, we demonstrate how a possible design of such a scheme can take place and how it should function. A couple of parameters that deserve attention are a baseline definition and a conversion rate for credits. Our basic finding is that an integrated scheme is complementary and can assist substantially in achieving Dutch national United Nations Framework Convention on Climate Change (UNFCCC) Kyoto Protocol targets. Dutch electricity and gas suppliers (parties that receive energy efficiency obligations) can implement energy efficiency projects domestically and in other countries, hence reducing total abatement costs. Furthermore, such a scheme can stimulate further energy efficiency actions from other stakeholders participating in energy markets. Based on an ex-ante assessment, a carefully designed hybrid WhC and JI scheme appears to be effective in terms of targets, efficient, generating positive impacts on markets and society, while uncertain in stimulating innovation.
V. OikonomouEmail:
  相似文献   

5.
There is substantial uncertainty regarding baseline greenhouse gas (GHG) emissions forecasts—i.e., how GHG emissions will grow over time in the absence of policy intervention. Thus baseline uncertainty should be a key consideration in setting GHG emissions targets as a mitigation strategy to respond to global climate change. At a minimum, the emissions target must be less than the baseline level to induce changing behavior and new investment. Despite this fundamental policy criterion, baseline considerations have played only a minor role in target setting under international climate policy. Baseline uncertainty applies to both absolute and intensity based emissions targets. It is demonstrated that one advantage of intensity targets is reduced uncertainty in the projected baseline, however there will always be some residual uncertainty in model projections. To illustrate the importance of considering baseline uncertainty in GHG target setting, the Bush Climate Change Initiative is analyzed against its projected baseline as a case study of a modest intensity target. Based on comparison with historical data, the range of projections by major energy-economic models, past discrepancies in the accuracy of model projections and the added complexity of sector-specific drivers for non-CO2 GHGs, it is shown that the Bush Initiative cannot be guaranteed or even expected to deliver actual reductions against an uncertain baseline. This finding emphasizes the importance of setting a target that accounts for baseline uncertainty to achieve genuine mitigation of GHG emissions.
Neil StrachanEmail:
  相似文献   

6.
The paper presents a number of ideas on how climate change policy implementation in developing countries can be supported by alternative international cooperation mechanisms that are based on stakeholder interests and policy priorities including broader economic and social development issues. It includes a brief review of current development policies, technological research and promotion efforts, and climate change that demonstrates that mutual policy initiatives undertaken by governments and the private sector actually have major positive impacts on climate change without being initiated by this global policy concern. Furthermore a number of examples are given on how future development objectives in Brazil, China, and India jointly can support economic and social goals and global climate change concerns if these goals are taken into consideration and supported by international cooperative mechanisms. The paper proposes international cooperative mechanisms that can support the implementation of integrated development and climate change policies. The mechanisms include an international sustainable development (SD) and Climate Finance Mechanism (SDCFM), technology development and transition programmes, technology standards, and other measures.
Priyadarshi Shukla (Corresponding author)Email:
  相似文献   

7.
Climate change combined with human activities poses significant risks to people’s livelihood especially in developing countries. Adaptation at the community level is of crucial importance in enabling them to respond to the direct and indirect effects of changes in climate. In a case study of fishing communities in Chilika lagoon, India, the focus is made on understanding climate change adaptation at the community level and scaling it up into the policy perspective through application of Sustainable Livelihood Approach. This article challenges the research and policy community to encourage the identification of locally negative constraints and positive strengths toward climate resilient communities in rural areas.
Rajib ShawEmail:
  相似文献   

8.
Approaches to semi-synthetic minimal cells: a review   总被引:1,自引:0,他引:1  
Following is a synthetic review on the minimal living cell, defined as an artificial or a semi-artificial cell having the minimal and sufficient number of components to be considered alive. We describe concepts and experiments based on these constructions, and we point out that an operational definition of minimal cell does not define a single species, but rather a broad family of interrelated cell-like structures. The relevance of these researches, considering that the minimal cell should also correspond to the early simple cell in the origin of life and early evolution, is also explained. In addition, we present detailed data in relation to minimal genome, with observations cited by several authors who agree on setting the theoretical full-fledged minimal genome to a figure between 200 and 300 genes. However, further theoretical assumptions may significantly reduce this number (i.e. by eliminating ribosomal proteins and by limiting DNA and RNA polymerases to only a few, less specific molecular species). Generally, the experimental approach to minimal cells consists in utilizing liposomes as cell models and in filling them with genes/enzymes corresponding to minimal cellular functions. To date, a few research groups have successfully induced the expression of single proteins, such as the green fluorescence protein, inside liposomes. Here, different approaches are described and compared. Present constructs are still rather far from the minimal cell, and experimental as well as theoretical difficulties opposing further reduction of complexity are discussed. While most of these minimal cell constructions may represent relatively poor imitations of a modern full-fledged cell, further studies will begin precisely from these constructs. In conclusion, we give a brief outline of the next possible steps on the road map to the minimal cell.
Pier Luigi Luisi (Corresponding author)Email:
Francesca FerriEmail:
Pasquale StanoEmail:
  相似文献   

9.
The water cycle, a fundamental component of climate, is likely to be altered in important ways by climate change. Climate change will most likely worsen the already existing water related problems. Then the question is how should policy makers respond to this dilemma. Climate change mitigation, through greenhouse gas (GHG) emissions reduction and sequestration is not a sufficient response. Adaptation will also need to feature as a response strategy. Mitigation and adaptation need to be viewed as complementary responses to climate change. Complementarity between adaptation and mitigation in the water sector will be addressed in this paper. The paper will also outline the main impacts of climate change on water resources and identify those areas that are most dependent and vulnerable to hydrological systems (e.g., hydroelectric systems, irrigation, agriculture) and any changes thereof resulting from climate change. It will aim to assess the impact of water demand and water use, with a view to identifying the main relationships between mitigation and adaptation in the water sector and the means through which individual mitigation and adaptation actions can potentially interact with each other for the benefit of the water sector as a whole. It will also explore the implications of climate change on the management of water resources. Adaptation and mitigation options would be considered in the context of their socio-economic and environmental impacts and their contribution to sustainable development. A brief evaluation of how this information can be directly used for planning purpose will also be presented.
Luis J. MataEmail:
  相似文献   

10.
It is argued that there are at least five reasons for the Northeast states of the United States to implement a regional emission trading scheme for carbon dioxide despite the lack of federal policy regulations: goodwill, learning, political influence, risk management and competitiveness interests. Using an energy-economy model, the carbon price to bring the firms into compliance with a 10% reduction by 2020 is estimated to be 20-150 US$ per ton C. There have been discussions about linking the ongoing EU Emission Trading Schemes to the Northeast state initiative. The prime argument is that such a linkage would encourage a change of the federal US policy, which has traditionally followed action taken at the state level. Emissions trading with binding mitigation commitments could thus be demanded and accepted also on federal level. This paper demonstrates that the impact of linkage on permit prices depends on the reduction target in the European scheme: A low EU target results in a net flow of permits to the Northeast scheme, while a 40% EU reduction target results in a net flow of permits from the Northeast. Flow of permits from the Northeast state must be compensated for by the EU because the United States is not a party of the Kyoto Protocol. The EU must therefore buy permits in allowances recognized in the Kyoto regime in an amount equal to the net flow of permits from the Northeast states.
T. A. PerssonEmail:
  相似文献   

11.
There is a need to assess climate change mitigation opportunities in forest sector in India in the context of methodological issues such as additionality, permanence, leakage and baseline development in formulating forestry mitigation projects. A case study of forestry mitigation project in semi-arid community grazing lands and farmlands in Kolar district of Karnataka, was undertaken with regard to baseline and project scenario development, estimation of carbon stock change in the project, leakage estimation and assessment of cost-effectiveness of mitigation projects. Further, the transaction costs to develop project, and environmental and socio-economic impact of mitigation project was assessed. The study shows the feasibility of establishing baselines and project C-stock changes. Since the area has low or insignificant biomass, leakage is not an issue. The overall mitigation potential in Kolar for a total area of 14,000 ha under various mitigation options is 278,380 t C at a rate of 20 t C/ha for the period 2005–2035, which is approximately 0.67 t C/ha/year inclusive of harvest regimes under short rotation and long rotation mitigation options. The transaction cost for baseline establishment is less than a rupee/t C and for project scenario development is about Rs. 1.5–3.75/t C. The project enhances biodiversity and the socio-economic impact is also significant.
N. H. RavindranathEmail:
  相似文献   

12.
Climate change is a multi-dimensional issue and in terms of adaptation numerous state and non-state actors are involved from global to national and local scales. The aim of this paper is first to analyse specific institutional networks involved in climate change predominantly at the national level in South Africa and second to determine how different stakeholders perceive their role vis-a-vis climate change adaptation. Within the South African context there is a gap in understanding and evaluating how institutional networks operate and thus the findings of this work may help inform and strengthen such relationships in the future. Results showed that few institutions fully understand the implications of adaptation and their roles and responsibilities have not yet been properly defined. Constraints relating to capacity, lack of awareness and poor information flow need to be addressed. Climate change is perceived as an important issue although problems such as poverty reduction and job creation remain national priorities. Most importantly this research has demonstrated how adaptation challenges the hierarchical manner in which government works and a more collaborative approach to climate change adaptation is needed. Adaptation needs to be mainstreamed and institutional networks need to be strengthened in order for adaptation mechanisms to be effectively implemented.
Ingrid Christine KochEmail:
  相似文献   

13.
The public promotion of electricity from renewable energy sources coexists in many countries with the recent implementation of emissions trading schemes. As shown by several papers, this coexistence may lead to significant interactions between both instruments, in the form of synergies and conflicts. This paper provides an overview and analysis of the literature on such coexistence and interactions. A major conclusion is that policy measures aiming at exploiting the synergies between both instruments should be implemented. The greatest synergy effects from the use of both instruments take place through appropriate coordination of their targets. Another key finding is that, although some stylised facts can be inferred from the studies, some results from those complex interactions are context-specific since they depend on the design of the instruments in particular countries. In spite of the significant policy implications of such interactions for the effective and cost-effective functioning of both instruments, this is a surprisingly under searched field. It is so concerning, both, theoretical and empirical analysis.
Pablo del Río GonzálezEmail:
  相似文献   

14.
Linking emissions trading schemes allows the combined emissions cap to be achieved at lower cost. Linking is usually environmentally neutral, but some design features can lead to higher aggregate emissions if schemes are linked. Technical solutions to limit the potential emissions increases due to design differences implemented when schemes are linked are not sufficient to ensure the environmental effectiveness of the linked schemes over time. Technological, economic, administrative and other changes that can lead to higher aggregate emissions are inevitable. The administrators of the linked schemes must ensure the stringency of the emissions cap relative to the “business as usual” emissions of affected sources, the accuracy of the emissions reported by affected sources, the integrity of the allowance registry, effective compliance enforcement, and the environmental integrity of the credits issued for emission reduction projects over time. This will require a process for agreeing on revisions to the regulations of the linked schemes, a mechanism to provide assurance of the environmental effectiveness of each of the linked schemes, and a procedure for terminating the linking agreement.
X. WangEmail:
  相似文献   

15.
This article examines possibilities for linkage between the European Union Emissions Trading System (EU ETS) and Russia, with a view to enhancing cooperation on a broader scale than the project-based approaches that have been tested thus far. Three paths for possible EU-Russia linkage are presented by which the Russian Assigned Amount under the Kyoto Protocol can be greened in order to stimulate emissions trading: 1. Joint implementation—reductions earned via individual projects in Russia; 2. Greened allowances or green investment schemes; and 3. Linked cap-and-trade systems, in which a Russian domestic emissions trading system would link with the European Union Emissions Trading System. The authors conclude that the third option, emissions trading through linked domestic emissions trading systems, offers the best opportunities at the lowest transaction costs. The authors discuss useful innovative instruments like call options and slip level arrangements on government-to-government and business-to-business levels.
Annie PetsonkEmail:
  相似文献   

16.
Differences in impacts of climate hazards across exposed units are determined by many factors including the severity of the hazard itself, the population that is exposed to the hazard and the coping capacity of the exposed units to the hazard. Coping capacity or adaptive capacity results from a combination of development status (generic capacity) and interventions pertinent to the hazard (specific capacity). This paper explores the extent to which the generic adaptive capacity may explain the variation in tropical cyclone impacts. Therefore this paper offers an empirical approach by which adaptive capacity may be measured and validated against actual outcomes. Results not only validate the role of generic adaptive capacity in explaining variations in impact but also reveal that general development indicators are not very important as far as predicting outcomes is concerned. Those indicators of development that can be linked to the impact process are significant in explaining and predicting impact. This can help identify those aspects of generic adaptive capacity which are important from the perspective of policy action for enhancing adaptive capacity to a particular climate hazard.
Anand PatwardhanEmail:
  相似文献   

17.
This paper addresses methodological issues in estimating carbon (C) sequestration potential, baseline determination, additionality and leakage in Khammam district, Andhra Pradesh, southern part of India. Technical potential for afforestation on cultivable wastelands, fallow, and marginal croplands was considered for Eucalyptus clonal plantations. Field studies for aboveground and belowground biomass, woody litter, and soil organic carbon for baseline and project scenarios were conducted to estimate the carbon sequestration potential. The baseline carbon stock was estimated to be 45.3 t C/ha, predominately in soils. The additional carbon sequestration potential under the project scenario for 30 years is estimated to be 12.8 t C/ha/year inclusive of harvest regimes and carbon emissions due to biomass burning and fertilizer application. Considering carbon storage in harvested wood, an additional 45% carbon benefit can be accounted. The project scenario has a higher benefit/cost ratio compared to the baseline scenario. The initial investment cost requirement, however, is high and lack of access to investment is a significant barrier for adoption of agroforestry in the district.
N. H. RavindranathEmail:
  相似文献   

18.
Almost two decades ago, Fleischmann and Pons reported excess enthalpy generation in the negatively polarized Pd/D-D2O system, which they attributed to nuclear reactions. In the months and years that followed, other manifestations of nuclear activities in this system were observed, viz. tritium and helium production and transmutation of elements. In this report, we present additional evidence, namely, the emission of highly energetic charged particles emitted from the Pd/D electrode when this system is placed in either an external electrostatic or magnetostatic field. The density of tracks registered by a CR-39 detector was found to be of a magnitude that provides undisputable evidence of their nuclear origin. The experiments were reproducible. A model based upon electron capture is proposed to explain the reaction products observed in the Pd/D-D2O system.
Pamela A. Mosier-BossEmail:
  相似文献   

19.
India occupies 2.4% of the world’s geographical area with a large percentage of its land under agriculture. About 228 Million hectares (Mha) of its geographical area (nearly 69%) fall within the dryland (arid, semi-arid and dry sub-humid) region. Of the total cultivated area of 142 Mha, major part of agriculture in the country is rainfed, extending to over 97 Mha and constituting nearly 68% of the net cultivated area, therefore making the agricultural sector vulnerable and exposed to the vagaries of weather conditions. Climate change adds to this dimension of stress. A strong need is felt for targeting programmes in these areas that address issues related to employing suitable soil and water conservation measures. In this context this paper seeks to examine the case for watershed development as an adaptive strategy. An examination of the possibility of fortifying the existing programme with a view to adapting to expected changes in climate in future is undertaken. Also, the possibility of watershed development integrating into a suitable mitigation strategy for the country is assessed.
Preety M. BhandariEmail:
  相似文献   

20.
This paper studies the effects of adaptation and mitigation on the impacts of sea level rise. Without adaptation, the impact of sea level rise would be substantial, almost wiping out entire countries by 2100, although the globally aggregate effect is much smaller. Adaptation would reduce potential impacts by a factor 10–100. Adaptation would come at a minor cost compared to the damage avoided. As adaptation depends on socio-economic status, the rank order of most vulnerable countries is different than the rank order of most exposed countries. Because the momentum of sea level rise is so large, mitigation can reduce impacts only to a limited extent. Stabilising carbon dioxide concentrations at 550 ppm would cut impacts in 2100 by about 10%. However, the costs of emission reduction lower the avoided impacts by up to 25% (average 10%). This is partly due to the reduced availability of resources for adaptation, and partly due to the increased sensitivity to wetland loss by adaptation.
Richard S. J. TolEmail:
  相似文献   

设为首页 | 免责声明 | 关于勤云 | 加入收藏

Copyright©北京勤云科技发展有限公司  京ICP备09084417号