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This paper created an Input-Occupancy-Output (IOO) table that was integrated with several alternative waste treatment management modes. Based on this table, a Ghosh price model was developed to evaluate the price changes in each sector compared with their traditional prices for the direct and indirect impacts of the costs of waste treatment management modes. The model was applied to the waste water treatment case in China. The data were sourced from the China Statistical Bureau and a survey made by Tan et al. (2015). In each waste treatment management mode, the price change of each sector was evaluated. The results revealed that different waste treatment management modes generated different ranks for the price changes by sector. There are 22 sectors whose prices increase are mainly caused by other sectors' added waste water treatment costs. An optimal combination of two waste treatment management modes for 42 sectors generates the minimum price increase for all industries. To limit the waste water discharged in China, one possible intervention would be to increase the fine imposed for unit waste water discharged, setting it at a higher level than the unit waste water discharge fee and its treatment cost. Furthermore, it is suggested that the waste water treatment cost needs to be reasonably incorporated in the products’ prices. The model proposed in this paper will be particularly appropriate to evaluate these price increases and their impacts. [ABSTRACT FROM AUTHOR]

The Chinese government committed to controlling carbon dioxide (CO 2 ) emissions and promoting development of non-fossil fuels. Thus, it becomes a top priority for the government to develop effective climate policies. Against such background, this paper develops a new multi-country computable general equilibrium (CGE) model with detailed energy disaggregation. This study evaluates the impact of single policy instrument (carbon tax) and combined policy mixes, in order to investigate driving factors affecting the policy performance. The main findings are as follows. Firstly, the driving factors can be classified into two types. The first type of factors affects cost-effectiveness significantly, while the second type generates considerable effect on emission performance. Secondly, cross-border externalities function as important barriers to the CO 2 emission reduction, since they imply extra competitiveness loss and result in considerable carbon leakage. Finally, this paper considers two integrated policy mixes, wherein carbon tax revenue is recycled to reduce capital tax or support clean energy subsidy. These policy mixes can improve both cost-effectiveness and emission performance, and thus perform better than carbon tax alone. In this way, carbon tax revenue can be used to improve the performance. Looking ahead, complicated policy mixes are preferred to improve the performance of China's carbon tax. [ABSTRACT FROM AUTHOR]

Bicycles are a desirable form of transportation for many reasons, including the fact that taking a bicycle is environmentally-friendly, economically cost-effective, a way to keep fit and healthy and, on occasions, an enjoyable social activity. This paper explores the characteristics and commonalities between particular bike-sharing systems in urban areas, with a view to deriving influences on the sustainability of such systems. The empirical study is China and the paper analyses bike-sharing systems in five Chinese cities. China is suffering from the severe negative consequences of high private vehicle usage in large and densely populated cities. Nevertheless a long history of bicycle usage in the country provides great potential for such a green form of travel to be part of public and private transportation. The findings show that bike-sharing systems have varying degrees of success. The configurations which seem the most sustainable consider and integrate elements relating to transport planning, system design and choice of business model. Key conclusions are that those responsible for developing policy and practices in relation to bike-sharing systems need to understand the diverse aspects of value for the stakeholders wishing to engage with such a system. Public bicycle sharing, as a Product Service System, needs to be carefully developed to appreciate the quality and timely interplay between the physical design of the system and the provision of services being offered. [ABSTRACT FROM AUTHOR]

From 1990 to 2017, the number of vehicles in China increased sharply from 5 million to 310 million, and vehicle emissions became one of the major sources of air pollution. Among the main sources of PM 2.5 in Beijing, the contributions from vehicle sources increased from 5.6% (2000) to 31.1% (2012) to 45% (2017). In 2010, the CO, hydrocarbon (HC), NO x , and particulate matter (PM) emissions of yellow-label vehicles (YLVs) accounted for 46.1%, 47.9%, 63.1% and 86.1% of the total emissions from on-road vehicles. In recent years, China has been implementing a YLV scrappage subsidy policy to control air pollution, and this policy has cost several hundred billion yuan nationwide. However, China has not evaluated the costs and benefits of the policy. Many people question whether the YLV scrappage subsidy policy is worthwhile, but all the stakeholders involved complicate the process of accurately evaluating the true value of the policy. In this study, we evaluated and compared the costs and benefits of the policy in the Beijing-Tianjin-Hebei (BTH) region based on 1.362 million YLVs from 2008 to 2015. Because of the implementation of the policy, the PM 2.5 , PM 10 , NO x , CO and HC emissions in the BTH region decreased by 16.46, 18.12, 174.44, 669.11, and 91.64 kt, respectively, in 2008–2015. The results show that the policy played an important role in reducing pollutant emissions and improving environmental quality in the BTH region. The costs, benefits, and net benefits of the policy were 13.69, 34.03, and 20.34 billion yuan , respectively. The cost-benefit ratio in the BTH region was 1:2.49; at the city scale, Beijing ranked first (1:7.27), and the cost-benefit ratios of Tianjin and Hebei Province were 1:2.06 and 1:1.14, respectively. Of the 13 cities in the BTH region, Beijing had the highest net benefits, amounting to 16.43 billion yuan , while Handan City has the lowest net benefits, amounting to −0.58 billion yuan. The results may provide scientific support for the promotion of older vehicle and diesel vehicle scrappage subsidy policies, the development of cost-benefit analysis (CBA), and effective environmental decision-making in China. • Based on net number of scrappage YLVs, net benefits of the policy are calculated. • This paper estimates costs and benefits of the policy based on 1.27 million YLVs. • The costs, benefits, and net benefits are 13.69, 34.03, and 20.34 billion yuan. • The results help China promote vehicle scrappage subsidy policy on a large scale. • The results promote the development of the cost-benefit analysis in China. [ABSTRACT FROM AUTHOR]

A strategy of controlling individual pollutants without considering synergistic effects and ancillary benefit/cost has been followed in the course of air pollution control in China. This policy orientation could lead to divided and costly technology pathways. In this paper, the coal-fired power sector is used as a representative case to investigate the technology schemes and assess their cost effectiveness, so as to provide empirical evidence of technology synergies' impacts on cost-effectiveness and to shed light on the future directions for pollution control strategies. The results indicate that more pollution damage caused by particulate matter and mercury, could be avoided at less cost if the proposed technology schemes can be used more instead of the current mainstream scheme in this sector at the beginning of air pollution regulation. It implies that more detailed evaluation of technology schemes is needed to better control multiple pollutants and alleviate various negative health endpoint effects. The transformation of strategy will rely on a combination of technological developments and policy changes. The lessons learned from coal-fired power sector can contribute to policy-making across sectors within the industry. [ABSTRACT FROM AUTHOR]

The prospective cost-benefit of CSP (concentrated solar power) is the attention focus for policy-making and investment decisions. In order to analyze cost-benefit evolution of CSP, the paper adopted the net present value and discounted cash flows techniques to develop a mathematical model, and calculated LCOE (levelized cost of energy) of CSP between 2018 and 2050 by taking the CSP industry of China as an example. The results show that: Firstly, CSP has a large potential in the LCOE reduction, and the values of parabolic trough and solar tower CSP systems reduce by 46%–57% and 47%–56% from 2018 to 2050, respectively. Secondly, predicted evolution for the LCOE of CSP strongly depends, not only on the cumulative installed capacity determined by the specific growth paths of Blue Map and Roadmap Scenarios, but also on the learning curves impacted by technical progress and experience accumulation. Thirdly, to select the sites with higher direct normal irradiation and land cost exemption is crucial to improve cost-benefit evolution of CSP. Lastly, the expected returns (i.e. discount rate) have important effect on the LCOE evolution of CSP, high expected returns lead to high the LCOE, and vice versa. [ABSTRACT FROM AUTHOR]

The embodied green-house gas (GHG) emissions from the high speed rail (HSR) stations are non-negligible given the considerable scale of modern HSR stations that serve as multifunctional complex. However, the magnitude of the GHG emissions is often underestimated owing to the limited use of reliable inventory data, as well as the simplified modelling that fails to capture the versatile structural/architectural features. To fill the knowledge gap, this paper reviewed the design documents of 117 HSR stations in China to provide more reliable quantification and reveal the factors associated with the GHG emissions. The embodied GHG emissions of the HSR stations were quantified by use of the actual inventory data. Based on the quantification results, a data-driven prediction model was constructed by an optimized general regression neural network (GRNN), which identified a link between the seven design parameters of HSR stations and the embodied GHG emissions. In addition, a cost-benefit analysis was conducted considering the balance between the embodied GHG emissions and serviceability. and discussion The results revealed a non-negligible contribution of HSR stations to the embodied GHG emissions of rail infrastructure. For regional HSR lines, the embodied GHG emissions from the stations could account for over 26% of the whole line. The results also revealed the large stations to be the major source of emissions, for which the embodied emissions per area are 2.84 times of the smaller stations. A Pareto-type distribution exists as the ten largest stations (in station area) contribute nearly 60% of the total emissions of the 117 samples. A canonical correlation analysis (CCA) revealed the station area to be the most prominent factor to the embodied GHG emissions, and the optimized GRNN with CCA-processed input vector make more reliable prediction. The regional HSR lines are subject to higher risk of unsound carbon investment, owing to the low service level of some stations. [Display omitted] • Real inventory data of 117 sample HSR stations in China are used for quantification. • Large stations are responsible for more embodied emissions per station area. • The top 10 largest stations contribute about 60% of the samples' total embodied GHG emissions. • Station area is the most prominent factor affecting the embodied GHG emissions. • Stations of regional HSR lines are more vulnerable to unsound carbon investment due to low service level. [ABSTRACT FROM AUTHOR]

To improve air quality in northern China, especially in the Beijing-Tianjin-Hebei (BTH) region, the Chinese government has issued a series of coal replacement policies for clean heating in households in the region. However, little research evaluates the overall costs and benefits and the health co-benefits of the implementation of such policies. Analysis of the results of top-down policies rarely focuses on actual changes in the behavior of subjects at the micro level, leading to a divergence between policy design and evaluation. To quantify the actual implementation effects of China's coal replacement policies in the BTH region, this paper explores the cost-effectiveness of these policies. To this end, we combine the results of a micro survey on household energy use behavior with a policy scenario analysis, take household size into account, and evaluate the environmental cost-benefits and the health co-benefits of clean heating. The results show the implementation of coal replacement policies can significantly reduce CO 2 , SO 2 and NO x emissions. And the cost-benefit analysis demonstrates the cost-effectiveness of China's coal replacement policies. Specifically, during the 13th Five-Year Plan period (2016–2020), by improving air quality in the BTH region, these clean heating policies brought cumulative health benefits of 36.73 billion yuan. Therefore, we conclude that China's clean heating policies can effectively reduce pollutant emissions and have health co-benefits. As we analyze the contribution of different alternative technologies to clean heating and take household size into account, our results can help policymakers formulate technology selection and subsidy policies. [Display omitted] • The cost-effectiveness of China's coal replacement policies has been demonstrated. • Clean heating policies can significantly reduce CO 2 , SO 2 and NO x emissions. • Clean heating brought cumulative health benefits of 36.7 billion yuan in BTH region. • Emission reduction per unit of coal substitution varies by household size. • There are differences in the choice of alternative technologies in the BTH region. [ABSTRACT FROM AUTHOR]

The concept of net zero energy building (NZEB) has attracted worldwide attention and has the potential to achieve significant energy and emissions reductions. Various technical strategies have been demonstrated to be able to achieve the net-zero-energy target. However, this issue becomes more complex when the economic performances of these strategies are considered. Although studies on the economic performance of NZEBs can be found in the literature, gaps in the research still exist. This paper presents a systematic methodology that combines life cycle cost analysis, benefit-cost analysis, and dynamic building performance simulation to effectively evaluate the economic performance of individual NZEB technologies and holistic technical strategies and determine the most economically competitive options. To demonstrate the application and validity of the methodology, a case study of office buildings in the Yangtze River Delta region of China is presented. Although this case study is ad hoc, the proposed methodology is applicable to buildings of other types and in other regions as long as the climatic and economic conditions are known. • A methodology for developing economically efficient NZEB strategies is proposed. • The methodology combines building energy simulation, LCC and benefit-cost analysis. • A prototype of office buildings in the Yangtze River Delta region is established. • Economically competitive NZEB strategies for the prototype building are developed. • Without extra rooftop PV, designing the prototype as NZEB is economically inviable. [ABSTRACT FROM AUTHOR]

The photovoltaic poverty alleviation project (PPAP), as an integration of solar photovoltaics and poverty alleviation, has gained great attention since it was proposed in China. So far, four different modes of PPAP have been formed - household level, village level, jointly-village level, and centralized PPAP. A comprehensive understanding of the effectiveness of different PPAP modes is essential to achieve the aim of getting rid of poverty in Chinese rural areas and to provide references for other developing countries. Therefore, this paper, for the first time, evaluates the economic performance of PPAP under the four modes. By employing cost-benefit analysis, this research elaborates on the effectiveness of PPAP from three aspects – cashflow, net present value, and payback period. The results show that the village level and the jointly-village level PPAP are the most effective modes. However, due to the overplus of installed capacity per household, the centralized PPAP, which is in line with the local governments' income, becomes the most popular mode. Besides, bank loans can significantly increase the number of benefited households, and the beneficiary ratio is critical to the effectiveness of corporations' participation. [ABSTRACT FROM AUTHOR]