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Air quality valuation using online surveys in three Asian megacities 利用在线调查对三个亚洲大城市进行空气质量评估
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-12-01 DOI: 10.1016/j.resenv.2022.100090
Jie-Sheng Tan-Soo , Eric Finkelstein , Subhrendu Pattanayak , Ping Qin , Xiaobing Zhang , Marc Jeuland

Due to worsening air quality across many cities in developing countries, there is an urgent need to consider more aggressive air pollution control measures. Valuation of the benefits of clean air is crucial for establishing the rationale for such policies, but is methodologically challenging, often expensive, and therefore remains limited. This study assesses the potential for more standardized and cost-effective measurement of the demand for air quality improvements, applying a contingent valuation procedure via online surveys, in three Asian megacities facing severe but varying pollution problems — Beijing, Delhi, and Jakarta. The study’s primary contribution is to demonstrate the viability of this approach, which significantly enhances comparability of valuations and their drivers across locations, and thereby has great potential for informing policy analysis and targeting of specific interventions. A second contribution is to supply sorely needed data on the benefits of clean air in these three particular Asian cities, which collectively have a population of about 50 million people. The annual willingness-to-pay for air quality to reach national standards is estimated to be US$150 in Jakarta (where average PM2.5 concentration, at 45 μg/m3, exceeds national standards by the smallest amount, specifically a factor of 1.3), US$1845 in Beijing (PM2.5 at 58 μg/m3, 1.7 times the standard), and US$1760 in Delhi (PM2.5 at 133 μg/m3, 3.3 times the standard). The methods deployed could be applied more widely to construct a worldwide database of comparable air quality valuations.

由于发展中国家许多城市的空气质量不断恶化,迫切需要考虑采取更积极的空气污染控制措施。对清洁空气的好处进行评估对于确定此类政策的基本原理至关重要,但在方法上具有挑战性,往往成本高昂,因此仍然有限。本研究以北京、德里和雅加达三个面临严重但不同污染问题的亚洲大城市为研究对象,通过在线调查应用条件评估程序,评估了对空气质量改善需求进行更标准化和更具成本效益的测量的潜力。该研究的主要贡献在于证明了这种方法的可行性,该方法显著提高了各地估值及其驱动因素的可比性,从而为政策分析和确定具体干预措施提供了巨大的潜力。第二个贡献是提供急需的数据,说明这三个特定的亚洲城市清洁空气的好处,这三个城市总共有大约5000万人口。据估计,雅加达每年为空气质量达到国家标准的支付意愿为150美元(PM2.5平均浓度为45 μg/m3,略微超过国家标准,特别是1.3倍),北京为1845美元(PM2.5为58 μg/m3,超出标准1.7倍),德里为1760美元(PM2.5为133 μg/m3,超出标准3.3倍)。所采用的方法可以更广泛地应用于建立一个可比较空气质量评价的全球数据库。
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引用次数: 2
An ontology-based KBE application for supply chain sustainability assessment 基于本体的供应链可持续性评估KBE应用
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-12-01 DOI: 10.1016/j.resenv.2022.100086
Liang Zhang, Anna Olsen, Andrei Lobov

Product Lifecycle Management (PLM) plays a key role in digital transformation demanded by Industry 4.0 and life cycle assessment, including sustainability assessment. Knowledge Based Engineering (KBE) applications can support PLM by integrating heterogeneous knowledge from different stages throughout the product life. However, the integration of knowledge from different stages and teams can cause misunderstanding if not represented in a unified form. Furthermore, different forms of knowledge used by different software are neither machine-readable nor human-readable, which also sets obstacles to knowledge integration in KBE applications. Supply chain sustainability assessment is such a scenario that entails integrating knowledge from different sources. This paper firstly implements a sustainability assessment method from other scholar to calculate the supply chain sustainability performance and adapts a sustainability assessment ontology for supply chain sustainability assessment. Then, an example KBE application is developed by implementing the sustainability assessment ontology and calculation method to simulate the knowledge sharing and integration between different teams. Finally, through this example application, it is discussed that the implementation of ontology to represent knowledge in PLM application for collaborative tasks like sustainability assessment can increase the efficiency of data sharing and integration. This paper is a proof of concept for the ontology-based framework. This framework can facilitate to represent knowledge but not create new knowledge, which means it can increase the efficiency of the software development, but cannot provide a better calculation method and assessment framework for supply chain sustainability assessment.

产品生命周期管理(PLM)在工业4.0和生命周期评估(包括可持续性评估)所要求的数字化转型中发挥着关键作用。基于知识的工程(KBE)应用程序可以通过集成来自产品生命周期不同阶段的异构知识来支持PLM。然而,来自不同阶段和团队的知识的集成如果不以统一的形式表示,可能会引起误解。此外,不同软件使用的不同形式的知识既不具有机器可读性,也不具有人类可读性,这也给知识be应用中的知识集成设置了障碍。供应链可持续性评估就是这样一个场景,需要整合来自不同来源的知识。本文首先实现了其他学者的可持续性评估方法来计算供应链的可持续性绩效,并将可持续性评估本体应用于供应链的可持续性评估。然后,通过实施可持续性评估本体和计算方法,开发了一个KBE应用实例,模拟了不同团队之间的知识共享和集成。最后,通过实例应用,讨论了在PLM应用中实现本体来表示知识,用于可持续性评估等协同任务,可以提高数据共享和集成的效率。本文对基于本体的框架进行了概念验证。该框架有利于表示知识,但不能创造新的知识,这意味着它可以提高软件开发的效率,但不能为供应链可持续性评估提供更好的计算方法和评估框架。
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引用次数: 2
Selecting south European wine based on carbon footprint 根据碳足迹选择南欧葡萄酒
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100066
Georgios Archimidis Tsalidis , Zoi-Panagiota Kryona , Nestor Tsirliganis

The largest wine producers globally are located in Southern Europe and climate is a major factor in wine production. The European Union aims to complement the consumer’s choice for wine with information about environmental sustainability. The carbon footprint is a worldwide-standardized indicator that both wine producers and consumers perceive as the most important environmental indicator. So far, environmental life cycle assessment studies show variability in the system boundaries design and functional unit selection, and review papers do not include life cycle inventory data, and consider vineyards in various locations worldwide. This study aimed to investigate what are the key factors affecting the carbon footprint of red and white wine production in South European countries with the same climatic conditions, and benchmark both wine types. The results showed that the carbon footprints of white and red wines are comparable. The average carbon footprints were 1.02, 1.25, and 1.62 CO2 eq. bottle of wine −1 for organic red wine, conventional red wine, and conventional white wine, respectively. The viticulture, winemaking, and packaging stages affect greatly the carbon footprint. Diesel consumption at the viticulture stage, electricity consumption at the viticulture and winemaking stages, and glass production at the packaging stage are the largest contributors to the carbon footprint. Wine consumption stage was omitted from most studies, even though it can increase the carbon footprint by 5%. Our results suggest that consumers should choose (conventional or organic) red wine that is produced locally.

全球最大的葡萄酒生产商位于南欧,气候是影响葡萄酒生产的一个主要因素。欧盟的目标是为消费者选择葡萄酒提供环境可持续性的信息。碳足迹是一个全球标准化的指标,葡萄酒生产商和消费者都认为这是最重要的环境指标。到目前为止,环境生命周期评估研究显示了系统边界设计和功能单元选择的可变性,并且综述论文没有包括生命周期库存数据,并且考虑了世界各地的葡萄园。本研究旨在探讨在相同气候条件下影响南欧国家红葡萄酒和白葡萄酒生产碳足迹的关键因素,并对两种葡萄酒类型进行基准测试。结果表明,白葡萄酒和红葡萄酒的碳足迹是相当的。有机红酒、常规红酒和常规白葡萄酒的平均碳足迹分别为1.02、1.25和1.62 CO2 /瓶(−1)。葡萄栽培、酿酒和包装阶段对碳足迹影响很大。葡萄栽培阶段的柴油消耗、葡萄栽培和酿酒阶段的电力消耗以及包装阶段的玻璃生产是碳足迹的最大贡献者。大多数研究忽略了葡萄酒消费阶段,尽管它可以增加5%的碳足迹。我们的研究结果表明,消费者应该选择(传统的或有机的)当地生产的红葡萄酒。
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引用次数: 8
Impact evaluation of an energy efficiency network policy programme for industrial SMEs in Sweden 对瑞典工业中小企业能源效率网络政策方案的影响评价
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100065
Ida Johansson , Simon Johnsson , Patrik Thollander

Improved energy efficiency is a key factor in the shift towards sustainable energy systems and net zero emissions, both locally, regionally and globally. The total energy efficiency potential in industrial SMEs is high, but despite this large potential for improved energy efficiency, the full potential is not realized due to several barriers to implementation of energy efficiency measures. The barriers vary based on e.g., geographic location, company size, sector, etc., but for industrial SMEs the main barriers are other priorities, lack of time and lack of information about energy efficiency measures. Energy efficiency networks help companies with the support needed to successfully work with energy efficiency on site, such as conducting an energy audit, making an energy and implementation plan, and monitoring the results. However, there is so far a scarcity of ex-post evaluations of energy efficiency network policy programmes. The aim of this paper is to provide an ex-post impact evaluation of a Swedish regional energy efficiency network programme and propose a general method on how to evaluate energy efficiency networks. Results show that the achieved energy efficiency for the evaluated network policy programme is higher than previously evaluated stand-alone energy audit programmes, and that the majority of deployed energy efficiency measures are found among the support processes, such as space heating, ventilation and lighting.

无论是在地方、区域还是全球,提高能源效率都是向可持续能源系统和净零排放转变的关键因素。工业中小企业的总能源效率潜力很高,但尽管提高能源效率的潜力很大,但由于能效措施的实施存在一些障碍,因此没有充分发挥潜力。障碍因地理位置、公司规模、部门等而异,但对工业中小企业来说,主要障碍是其他优先事项、缺乏时间和缺乏有关能效措施的信息。能源效率网络为公司提供所需的支持,帮助他们在现场成功地提高能源效率,例如进行能源审计,制定能源和实施计划,以及监测结果。然而,到目前为止,对能源效率网络政策方案的事后评价还很缺乏。本文的目的是提供瑞典区域能源效率网络方案的事后影响评价,并提出如何评价能源效率网络的一般方法。结果表明,评估的网络政策方案实现的能源效率高于先前评估的独立能源审计方案,并且大多数部署的能源效率措施都是在支持过程中发现的,例如空间供暖,通风和照明。
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引用次数: 10
Distributed recycling system with microwave-based heating for obsolete alkaline batteries 废弃碱性电池微波加热分布式回收系统
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100071
Shoki Kosai , Daiki Kurogi , Keita Kozaki , Eiji Yamasue

In the recycling sector, the transition in system networks from centralization to decentralization is an emerging concept. The feasibility to decentralize the recycling of e-waste needs to be analyzed, considering the different characteristics of each municipality. We propose a distributed recycling system for obsolete alkaline batteries using microwave apparatus as a small-scale recycling technology. Firstly, the reactivity of obsolete alkaline batteries with microwave irradiation was empirically examined. In lab-based experiments, pyrometallurgical microwave-based heating successfully separated a mixed sample of Mn3O4 and ZnO contained in obsolete alkaline batteries and recovered MnO and Zn separately, achieving a recovery rate of 97% under an ambient atmosphere. It was also found that the recovery rate of zinc obtained by microwave-based heating is 1.5-fold that using conventional electric furnace-based heating, with less than half of the heating time required. The experimental results were then used to analytically determine the energy efficiency of the distributed recycling system for the treatment of obsolete alkaline batteries with microwave apparatus compared with the centralized recycling system. In an analytical study which considered the characteristics of 1710 municipalities in Japan, it was found that an annual energy and greenhouse gas reduction of 26,500 GJ and 1.54 Gg-CO2eq, respectively, can be achieved at the national level by creating a well-balanced harmony between the centralized and distributed systems. The method applied in this study to determine the effectiveness based on population and intercity transport distance can be readily implemented in any city for the adoption of a distributed recycling system.

在回收部门,系统网络从集中到分散的过渡是一个新兴的概念。考虑到每个城市的不同特点,需要分析电子垃圾分散回收的可行性。本文提出了一种利用微波装置作为小型回收技术的废旧碱性电池分布式回收系统。首先,对废弃碱性电池经微波辐照后的反应性进行了实证研究。在实验室实验中,采用火法微波加热方法成功分离了废碱性电池中含有的Mn3O4和ZnO混合样品,并分别回收了MnO和Zn,在环境气氛下回收率达到97%。还发现,微波加热获得的锌回收率是传统电炉加热的1.5倍,加热时间不到传统电炉加热的一半。利用实验结果分析了微波处理废旧碱性电池分布式回收系统与集中式回收系统的能量效率。在一项考虑了日本1710个城市特征的分析研究中,发现通过在集中式和分布式系统之间建立良好的平衡,可以在国家一级分别实现每年26,500 GJ和1.54 gg - co2当量的能源和温室气体减少。本研究采用的基于人口和城际交通距离的方法可以很容易地在任何采用分布式回收系统的城市中实施。
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引用次数: 2
The effect of station density in geostatistical prediction of air temperatures in Sweden: A comparison of two interpolation techniques 站点密度在瑞典气温地质统计预测中的作用:两种插值技术的比较
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100092
E. Njoku, P. E. Akpan, Augustine Edet Effiong, I. Babatunde
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引用次数: 8
Occurrence and partitioning behavior of E. coli and wastewater micropollutants following rainfall events 降雨后大肠杆菌与废水微污染物的发生及分配行为
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100067
Mounia Hachad , Hadis Yarahmadi , Sung Vo Duy , Sébastien Sauvé , Michèle Prévost , Sarah Dorner

The fate of indicator bacteria and wastewater micropollutants (WWMPs) discharged from water resource recovery facilities (WRRFs) and combined sewer overflows (CSOs) needs to be understood for the protection of drinking water sources. This study investigated the partitioning behavior in wet and dry weather of Escherichia coli and 6 WWMPs including acetaminophen (ACET), caffeine (CAF), theophylline (THEO), carbamazepine (CBZ), 2-hydroxycarbamazepine (CBZ-2OH), and the artificial sweetener aspartame (ASP) between the water, suspended particulate matter (SPM), and sediments. ACET, CAF, THEO and CBZ were detected in all matrices. In contrast, CBZ-2OH and ASP were strongly associated with suspended particles, being exclusively detected in SPM and sediments. When comparing dry to wet weather concentrations, three main patterns were observed depending on the compounds and CSO locations: (i) compounds with low removal efficiency by wastewater treatment (CBZ, CBZ-2OH and ASP) are diluted with the addition of stormwater in the aqueous and SPM phases; (ii) contaminants with high removal efficiency (E. coli, ACET, CAF, THEO) saw an increase in their particle associated fraction (39 to 59% for E. coli, and from 12%–43% to 42%–91% for WWMPs); and (iii) no significant difference was observed for surficial sediment concentrations after rainfall events, although spatial variability was observed. Results highlight the importance of monitoring the SPM phase to overcome dilution effects in the dissolved phase. Analyzing SPM with regards to micropollutants and indicator bacteria may be more relevant for risk assessment and the assessment of the relative contribution of CSO bypass flows and treated wastewater effluents loads.

为了保护饮用水源,需要了解水资源回收设施(wrrf)和合流污水(cso)排放的指示菌和废水微污染物(WWMPs)的命运。研究了干湿天气条件下大肠杆菌与对乙酰氨基酚(ACET)、咖啡因(CAF)、茶碱(THEO)、卡马西平(CBZ)、2-羟基卡马西平(CBZ- 2oh)、人工甜味剂阿斯巴甜(ASP)等6种WWMPs在水、悬浮颗粒物(SPM)和沉积物之间的分配行为。所有基质均检测到ACET、CAF、THEO和CBZ。相比之下,CBZ-2OH和ASP与悬浮颗粒密切相关,仅在SPM和沉积物中检测到。当比较干燥和潮湿天气的浓度时,根据化合物和CSO的位置,观察到三种主要模式:(i)废水处理去除效率低的化合物(CBZ, CBZ- 2oh和ASP)在水相和SPM相中被添加的雨水稀释;(ii)去除效率高的污染物(大肠杆菌、ACET、CAF、THEO)的颗粒相关分数增加(大肠杆菌从39%增加到59%,WWMPs从12%-43%增加到42%-91%);(3)降水事件后地表沉积物浓度没有显著差异,但存在空间变异。结果强调了监测SPM相以克服溶解相中的稀释效应的重要性。分析微污染物和指示菌的SPM可能与风险评估以及评估CSO旁通流量和处理后的废水流出物负荷的相对贡献更相关。
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引用次数: 0
Unraveling the environmental impact of current and future food waste and its management in Chinese provinces 揭示中国各省当前和未来食物浪费对环境的影响及其管理
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100064
Abiodun Ogunmoroti, Min Liu, Muyang Li, Wei Liu

Major environmental and climate changes are driven by changes in socioeconomic development. The problem of food waste, its unsustainable management, and associated environmental consequences are becoming great concerns due to the rapid socioeconomic development in many Chinese provinces. This study assessed the current and future status of food waste and its management, and the associated environmental impact in all Chinese provinces from life cycle perspective. Based on result, food waste in China was estimated as 61.37 Mt in 2020 and could be as high as 100.95–139.82 Mt by 2040, under various socioeconomic pathways. Average per capita food waste has increased by 29.67% from 2016 and Tianjin was found to have the highest per capita food waste. Correspondingly, GHG emission of food waste in China was estimated as 149.25 Mt CO2eq in 2020, and is largely influence by the varieties of food wasted in each province. The environmental burden of food waste is projected to increase by 70%–148% under different socioeconomic development pathways. Anaerobic digestion demands freshwater and may pose challenges for Chinese provinces facing water scarcity. Diverting food waste to anaerobic digestion can reduce GHG emissions of food waste by 74% by 2040. China’s transition to sustainable waste management may be impeded and unsustainable economic-wise if many Chinese provinces continue to build on their current food waste management trend. These findings could be pivotal in setting food waste reduction goals at provincial level and devising strategies to ensure active involvement of community in food waste reduction programs.

重大环境和气候变化是由社会经济发展变化驱动的。由于中国许多省份社会经济的快速发展,食物浪费问题、不可持续的管理以及相关的环境后果正成为人们关注的焦点。本研究从生命周期的角度评估了中国各省食物垃圾的现状和未来状况、食物垃圾管理以及相关的环境影响。根据研究结果,在不同的社会经济途径下,2020年中国的食物浪费估计为6137万吨,到2040年可能高达10095 - 13982万吨。与2016年相比,人均食物浪费增加了29.67%,其中天津的人均食物浪费最高。相应的,2020年中国食物浪费的温室气体排放量估计为14925 Mt CO2eq,这在很大程度上受到各省食物浪费种类的影响。在不同的社会经济发展路径下,预计食物浪费的环境负担将增加70%-148%。厌氧消化需要淡水,这可能给面临水资源短缺的中国省份带来挑战。到2040年,将食物垃圾转化为厌氧消化可以将食物垃圾的温室气体排放量减少约74%。如果中国许多省份继续以目前的食物垃圾管理趋势为基础,中国向可持续垃圾管理的转型可能会受到阻碍,经济上也难以持续。这些发现对于制定省一级减少食物浪费的目标和制定战略以确保社区积极参与减少食物浪费的计划至关重要。
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引用次数: 27
The frequency use and the modal shift to ICT-based mobility services 频率使用和向基于信息通信技术的移动服务的模式转变
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100076
Hamid Mostofi

The information and communication technology (ICT) plays an important role in improving energy consumption efficiency and reducing the emission level in the urban transport sector. ICT-based mobility services like ridesourcing provide smart tools and algorithms for matching travel demand and supply and more convenient door to door services. However, there is a concern that the convenience and competitive service fares of these new mobility modes encourage people to make more car travel or shift from more sustainable mobility modes like public transport to car travels. Therefore, it is necessary to study the frequency use and modal shift to this new mobility mode, particularly in the cities (like Cairo), where the ICT-based mobility services contain more ridesourcing of fossil fuel cars than other modes like online bikes/scooter sharing. A survey was conducted in Cairo, and logit models were developed to analyze the associations of socioeconomic, travel behavior variables with the frequency use and modal shift to ridesourcing. The results of ordinal logistic regression indicate that people who live near a metro station, with higher income, and with more non-work trips per week are more likely to be high-frequent users of ridesourcing. Moreover, women are more likely to use ridesourcing frequently than men in Cairo. The findings indicate that the most replaced mode by ridesourcing is traditional taxis (by 33 %), and the second and third shifted modes are private cars and public transport by 30% and 24 %, respectively. The results of multinomial logistic regression show that the socioeconomic parameters have significant associations with the probability of modal shift from public transport, taxis, and private cars to ridesourcing services.

信息通信技术(ICT)在提高城市交通部门的能源消耗效率和降低排放水平方面发挥着重要作用。基于信息通信技术的出行服务,如拼车,为匹配出行需求和供应提供了智能工具和算法,并提供了更便捷的门到门服务。然而,人们担心这些新的出行方式的便利和有竞争力的服务价格会鼓励人们更多地使用汽车出行,或者从公共交通等更可持续的出行方式转向汽车出行。因此,有必要研究这种新出行模式的使用频率和模式转换,特别是在城市(如开罗),在这些城市,基于ict的出行服务比其他模式(如在线自行车/滑板车共享)包含更多的化石燃料汽车的乘车资源。在开罗进行了一项调查,并开发了logit模型来分析社会经济,旅行行为变量与使用频率和模式转换到拼车的关系。有序logistic回归结果表明,居住在地铁站附近、收入较高、每周非工作出行次数较多的人群更有可能成为网约车的高频用户。此外,在开罗,女性比男性更有可能频繁地使用拼车服务。调查结果显示,被网约车取代最多的是传统出租车(33%),其次是私家车和公共交通(分别占30%和24%)。多元logistic回归分析结果表明,社会经济参数与公共交通、出租车和私家车向拼车服务转变的概率显著相关。
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引用次数: 5
How to perform a material recovery sustainability evaluation preliminary to LCA? 如何对LCA进行初步的材料回收可持续性评估?
Q1 ENVIRONMENTAL SCIENCES Pub Date : 2022-09-01 DOI: 10.1016/j.resenv.2022.100074
Elza Bontempi
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引用次数: 8
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Resources Environment and Sustainability
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