Variation of household electricity consumption and potential impact of outdoor PM2.5 concentration: a comparison between Singapore and Shanghai

The auto-regressive distributed lag (ARDL) bound testing approach was used to study the relationships between the monthly household electricity consumption and outdoor PM2.5 concentration with the consideration of ambient temperature and the number of rainy days for Singapore and Shanghai. It is shown that there are significant long-run relationships between the household electricity consumption and the regressors for both Singapore and Shanghai. For Singapore, a 20% increase in the PM2.5 concentration of a single month is in the long-run significantly related to a 0.8% increase in the household electricity consumption. This corresponds to an electricity overconsumption of 5.0 GWh, a total of 0.7–1.0 million USD in electricity cost, and 2.1 kilotons of CO2 emission associated with electricity generation. For Shanghai, a 20% decrease in the PM2.5 concentration of a single month is in the long-run significantly related to a 2.2% decrease in the household electricity consumption. This corresponds to a 35.0 GWh decrease in the overall household electricity consumption, 1.6–5.1 million USD decrease in electricity cost, and 17.5 kilotons of CO2 emission. The results suggest that the cost of electricity consumption should be included in the economic cost analysis of PM2.5 pollution in the future. A 1 °C increase in the monthly temperature is in the long-run significantly related to a 13.6% increase in the monthly electricity consumption for Singapore, while a 30 degree days increase in heating & cooling days (HCDD) is in the long-run significantly related to a 24.9% increase in the monthly electricity consumption for Shanghai. A 5-day increase in the number of rainy days per month is in the long-run significantly related to a 3.0% and 5.8% increase in the monthly electricity consumption for Singapore and Shanghai, respectively

Climate Change: National and Local Policy Opportunities in China

Climate Change poses a wide range of potentially very severe threats in China. This aggravates the existing vulnerability of China and is one of the big challenges faced by the Chinese government. Adaptation programmes and projects are being developed and implemented at national and local level. As China is engaged in heavy investment in infrastructure development as a consequence of the rapid process of development and urbanization, mainstreaming adaptation into such development process is a priority for China. China has also made positive contributions to reducing greenhouse gas emissions through participations in the CDM under the Kyoto Protocol framework. Although mitigation is not a priority at national or local level, it has been integrated into national and local development plans explicitly. This paper addresses the following questions: What is the policy space for climate change mitigation and adaptation policy at national and local level and what is already being done? The three case studies at local level - Beijing, Guangdong and Shanghai – presented here, highlight the local benefits in terms of local pollution of integrating mitigation policies into local development. However, financial constraints usually prevent such a positive policy integration. National policies and international cooperation aiming at bridging the financial gap and promoting technology transfer would help in integrating local pollution control and mitigation efforts in China today.Climate Change, Local Policy, National Policy, Mitigation, Local Pollution

Prevailing construction and demolition waste management practices : a China study

The construction industry is regarded as one of the largest generators of solid waste in the world. These large amounts of construction and demolition waste generated by continuous construction activities have harmful effects on the environment. China is the largest producer of construction and demolition waste, with an annual generation of 2.4 billion tonnes. Moreover, with the continued development of their construction industry, the total volume of construction and demolition waste generated in China is forecasted to reach 3.96 billion tonnes by 2020. However, without proper management, a significant amount of construction and demolition waste has inevitably occupied land resources. In the current age of enhanced environmental awareness, transformation to sustainable management in the construction sector is needed. Despite the increasing awareness of recycling in industry, the average recovery rate of construction and demolition waste in China is only approximately 5%. Few developed countries have a sustainable society with an orderly, reasonable, and effective construction and demolition waste management system. However, as most of the waste in China is directly dumped or landfilled, it lags far behind these high-performance countries. The objectives of this study were to obtain information about the current status of construction and demolition waste management in China from comparative analyses and case studies, and to identify the obstacles to the promotion of recycling. Recovery rates of construction and demolition waste were collected from 35 countries, and the existing policies, standards, and official documents at a national level in China and seven selected countries with high performance (including Japan, South Korea, Germany, Austria, the Netherlands, Italy, and the United Kingdom) were reviewed. The comparative analysis revealed the reasons for China’s unsatisfactory performance. These reasons included the following: (1) inadequate guidance on recycling, (2) an underdeveloped recycling market, (3) incomplete knowledge of stakeholders’ responsibilities, (4) ineffective cooperation among governing bodies, (5) a lack of penalty for other stakeholders, and (6) an ineffective supervision system. Few studies have been performed to evaluate construction and demolition waste management performance of different Chinese cities, although case studies have been performed on specific cities. In the present study, site visits to 10 different Chinese cities were conducted: Shanghai (Direct-administered municipalities), Hangzhou (Zhejiang Province), Suzhou (Jiangsu Province), Chongqing (Direct-administered municipalities), Chengdu (Sichuan Province), Xi’an (Shaanxi Province), Changsha (Hunan Province), Shenzhen (Guangdong Province), Nanjing (Jiangsu Province), and Zhoukou (Henan Province). Construction and demolition waste management performance, as well as the obstacles for waste management, varies among these Chinese cities. These obstacles included the following: (1) a lack of sources of construction and demolition waste, (2) a lack of guidance on the application of building materials recycled from waste, (3) a lack of land use for fixed industries, (4) a lack of precise estimations of the waste amount and distribution, (5) a lack of guidance on the classification of construction and demolition waste, (6) unrestrictive landfilling, (7) inconsistent cooperation among different official governments, (8) inadequate research on the use of recycled products and waste separation, and (9) an incomplete waste traceability system. If these obstacles are more fully understood, recommendations can be provided to enhance construction and demolition waste management in China. Policymakers in China can consider the following suggestions: (1) ensuring the stability of construction and demolition waste sources; (2) precise estimation of waste generation and distribution; (3) an effective waste tracing system; (4) improvements in related technology; (5) expanding financial incentives; (6) prioritising the recycling of waste and promoting waste reduction; (7) completion of waste classification and relevant standards; (8) strict landfill bans; (9) consistent cooperation among governmental departments; and (10) expansion of the recycling market

Assessing ‘Green Energy Economy’ policies for transforming the building stock in Shanghai

The 2008–2009 global financial crisis triggered ‘Green Energy Economy’ (GEE) policy packages to stimulate green growth in many countries. China soon became a leader and, supported by its 11th Five-Year Plan (2006–2010), devoted approximately one-third of its US$ 647 billion stimulus package to green energy technologies. Since then, numerous policy instruments have been implemented to encourage ‘Green Buildings’. We take the Chinese city of Shanghai as a case study as it has the largest population, urbanization ratio and GDP in China and evaluate the performance of GEE policies targeted at the multi-household building sector. We use a bottom-up modelling tool to quantitatively estimate alternative baselines and assess different policy scenarios for the period 2010–2050. We measure the performance of policies in relation to energy use, efficiency improvements, CO2 emissions and net direct economic impacts. Our results suggest that current GEE policies are insufficient to stimulate radical change in the building sector. When unambitious policy measures are implemented in isolation, they provide marginal improvements compared to current building codes. The retrofitting of existing buildings is both a significant policy challenge, and offers fertile ground for improvements. Our results show that ambitious, technology-oriented financial incentives for both new and existing buildings, including energy price reform and a CO2 tax offer the right mix of incentives for green building transformation. When the social costs of climate change are taken into account, an integrated policy mix also delivers the highest net economic benefits. We conclude that policies must be more ambitious and include an integrated mix of instruments in order to drive a low-carbon transformation of both new and existing buildings in Shanghai. Finally, the theoretical impacts and potential benefits of GEE policy instruments must not underestimate the challenges associated with their design, implementation and enforcement

Gravity-based models for evaluating urban park accessibility: Why does localized selection of attractiveness factors and travel modes matter?

Gravity-based models have been extensively utilized in urban studies for measuring geographic disparities in access to urban parks over the past several decades. However, despite methodological advancements incorporating various aspects of accessibility, there has been limited focus on the impact of variable selection (e.g., attractiveness factors) and transport modes on accessibility evaluations. This study investigates the differences in gravity-based models for assessing park accessibility based on varying assumptions about attractiveness factors and travel impedance. Semi-structured interviews with local residents were conducted to identify the reasons for park visits in Shanghai. Our bivariate correlation analyses reveal that factors such as park openness and access to public transport were crucial, in addition to conventional factors identified in the literature (i.e., park size and driving accessibility). This insight led to the development of localized accessibility measurements that incorporate park inclusiveness (i.e., entrance fees and opening hours) and multimodal travel options (based on multinomial logistic mode choice models). The results indicate that the refined model produces lower and more varied accessibility levels, which can better capture accessibility gaps across different geographic contexts. This accurate and practical identification of accessibility gaps can assist local planners and decision-makers in formulating effective policies and strategies to promote equitable access to urban public parks

The Future of Natural Gas in China: Effects of Pricing Reform and Climate Policy

China is currently attempting to reduce greenhouse gas emissions and increase natural gas consumption as a part of broader national strategies to reduce the air pollution impacts of the nation’s energy system. To assess the scenarios of natural gas development up to 2050, we employ a global energy-economic model—the MIT Economic Projection and Policy Analysis (EPPA) model. The results show that a cap-and-trade policy will enable China to achieve its climate mitigation goals, but will also reduce natural gas consumption. An integrated policy that uses a part of the carbon revenue obtained from the cap-and-trade system to subsidize natural gas use promotes natural gas consumption, resulting in a further reduction in coal use relative to the cap-and-trade policy case. The integrated policy has a very moderate welfare cost; however, it reduces air pollution and allows China to achieve both the climate objective and the natural gas promotion objective.The Joint Program on the Science and Policy of Global Change is funded by a consortium of Federal awards and industrial and foundation sponsors (for the complete list see: http://globalchange.mit.edu/sponsors/all). Support from the U.S. Federal Government in the past three years was received from the U.S. Department of Energy, Office of Science under grants DE-FG02-94ER61937, DE-SC0007114, DE-FG02-08ER64597; the U.S. Department of Energy, Oak Ridge National Laboratory under subcontract 4000109855; the U.S. Department of Agriculture under grant 58-6000-2-0099; the U.S. Energy Information Administration under grant DE-EI0001908; the U.S. Environmental Protection Agency under grants XA-83505101-0, XA-83600001-1, and RD-83427901-0; the U.S. Federal Aviation Administration under agreement 09-C-NE-MIT; the U.S. National Aeronautics and Space Administration under grants NNX13AH91A, NNX11AN72G, and sub-awards 4103-60255 and 4103-30368; the U.S. National Renewable Energy Laboratory under grant UGA-0-41029-15; the U.S. National Science Foundation under grants OCE-1434007, IIS-1028163, EF-1137306, AGS-1216707, ARC-1203526, AGS-1339264 , AGS-0944121, and sub-awards UTA08.950 and 1211086Z1; the U.S. Department of Transportation under grant DTRT57-10-C-10015; and the U.S. Department of Commerce, National Oceanic and Atmospheric Administration under grant NA13OAR4310084

Impact of carbon markets on industrial competitiveness: An analysis of selected industries in Beijing

Although the booming carbon markets provide additional incentives to reduce greenhouse gases, their impacts on the society and economy have attracted increasing attention. Based on 2014–2016 daily carbon market trading price data, this study estimates the direct and indirect carbon emissions cost incurred by Beijing carbon market and explores its impact on industrial competitiveness via an evaluation model. Our results show that the impact of the carbon emissions cost is negligible, and the proportion of the three most affected industries’ added values to Beijing’s gross domestic product is only 10%, indicating that the economic impact is limited. However, the impact on the production and supply of power, gas and water industry could reach as high as 3.02% in three years. Compared with the European carbon market, the trading price of Beijing’s carbon market is relatively low, and the price cap could possibly increase to 100 Yuan per ton. However, each 10-Yuan increment in the carbon price will increase the impact on industry competitiveness by 1.68%. This study provides a scientific basis for exploring the impact of China’s carbon market on industry competitiveness and will be of significant value to policy makers

Shanghai municipal investment corporation: Extending government power through financialization under state entrepreneurialism

Financialized urban governance means that local governments have been increasingly reliant on financial techniques and in some extreme cases, been captured by shareholders’ interests. However, financialized governance mutates with various characteristics of local governance. This paper unpacks financialized urban governance in China based on the operation of Shanghai Municipal Investment Corporation (SMI). The Shanghai municipal government uses SMI as an intermediary to finance urban development. Based on the latest corporatization of SMI, we illustrate an embryonic form of financialized governance in which the Shanghai municipal government relies on financial means especially shareholding to manage and support SMI. In doing so, the municipal government internalizes financial techniques to manage state assets, seek funding, and guide urban development projects. The power of the state is not undermined during the process of financialization. Instead, the Shanghai government extends its power to the financial market to achieve its goals

Rural-Urban Migrants’ Sense Of Place In Baoding City, China

Sejak tahun 1978 hingga 2015, kadar perbandaran di China meningkat daripada 17.92% ke 56.10%. Migrasi luar bandar-bandar, yang menjadi pemacu utama pertumbuhan bandar sejak beberapa dekad yang lalu, tidak hanya mengubah landskap sosial, ruang dan ekonomi di bandar-bandar di China, malah juga menjadikan latar bandar lebih pelbagai, hidup dan dinamik From 1978 to 2015, China‘s urbanization rate rose from 17.92% to 56.10%. Rural-urban migration, the main driver of urban growth in the past few decades, has not only changed the social, spatial, and economic landscapes of Chinese cities but also made the urban scene much more diverse, lively, and dynami

Explaining city branding practices in China’s three mega-city regions: The role of ecological modernization

As global cities, Hong Kong, Shanghai and Beijing operate in international economic networks; however, they are also each firmly embedded within a regional context and are surrounded by less populous and less internationally recognized neighbors. Together they form so-called mega-city regions referred to as the Greater Pearl River Delta, the Yangtze River Delta, and the Bohai Rim, each encompassing a dozen or so cities. In the wake of staggering economic growth and threatening pollution, these cities are compelled to respond to the challenge of ecological modernization (EM): aim for higher economic value added at lower environmental cost. Cities have particular industrial and regional profiles; consequently they follow different developmental pathways. In order to attract coveted investors, green and high-tech corporations, well-endowed residents and talented workforce, these cities engage in city branding practices. In this contribution, a typology of EM developmental pathways is presented and the 41 cities in the three Chinese mega-city regions are analyzed in terms of their respective pathways and city branding practices. We argue that different industrial and regional profiles allow for different developmental pathways making different city branding strategies likely. Most cities brand themselves in comformity with what their pathway would lead us to predict, except cities with a strongly manufacturing oriented profile; the brands of the latter type deviate markedly from their current reality. Cities adopting branding strategies that contrast sharply with their historical legacy and current profile risk promoting themselves in ways that the outside world is likely to perceive as lacking in credibility