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Retail Price Differences between Packaged and Unpackaged Fruits (Apples) and Vegetables (Tomatoes, Peppers) 包装和未包装水果(苹果)和蔬菜(西红柿、辣椒)的零售价格差异
Pub Date : 2023-06-23 DOI: 10.3390/world4030024
Samuel Fritschi, Thomas Decker, Sven Sängerlaub
Since, according to many scientific studies, price is a very important factor when buying fruits and vegetables, it is interesting to study whether price differences between them occur in retail markets. Because of the discussion regarding sustainability, we performed an observational, orienting study on the retail prices of frequently bought packaged and unpackaged fruits and vegetables (apples, tomatoes, and bell peppers) in the Munich area in February and March 2022. We also differentiated between organic and non-organic produce. The relationship between the type of packaging (packaged versus unpackaged) and the retail price (EUR/kg) was determined by means of correlation coefficients, and we examined whether unpackaged products were more expensive than the packaged variants. The results differed for the organic and non-organic variants of the products, as well as among the individual fruit and vegetable varieties. We found a tendency towards unpackaged products being more expensive than packaged fruits and vegetables, in three out of four cases for the non-organic and two out of three cases for the organic products. For all cases, single products and single cost values were observed where the opposite was found.
因为,根据许多科学研究,价格是购买水果和蔬菜时的一个非常重要的因素,所以研究它们之间的价格差异是否会在零售市场上发生是很有趣的。由于关于可持续性的讨论,我们于2022年2月和3月在慕尼黑地区对经常购买的包装和未包装水果和蔬菜(苹果、西红柿和甜椒)的零售价格进行了观察性定向研究。我们也区分了有机和非有机产品。通过相关系数确定了包装类型(包装与未包装)与零售价格(EUR/kg)之间的关系,并检查了未包装产品是否比包装产品更贵。结果在产品的有机和非有机变体以及单个水果和蔬菜品种之间有所不同。我们发现一种趋势是,未包装的产品比包装好的水果和蔬菜更贵,非有机产品有四分之三的情况,有机产品有三分之二的情况。对于所有的情况,单一的产品和单一的成本值被观察到相反的发现。
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引用次数: 0
Prioritization of Socio-Ecological Indicators for Adaptation Action in Pauri District of Western Himalaya 西喜马拉雅波里地区适应行动的社会生态指标的优先次序
Pub Date : 2023-06-23 DOI: 10.3390/world4030025
S. Jha, A. Negi, R. S. Negi, J. Alatalo, Mani Bhushan Jha
Socio-ecological systems have increasingly faced climate-change impacts, which have adversely affected the lives and property of inhabitants. The present study aims to prioritize adaptation actions along an altitudinal gradient (<1200 m asl (Zone A), 1201–1800 m asl (Zone B), and >1801 m asl (Zone C)) in Pauri District, Uttarakhand. A cross-sectional survey research design was employed to prioritize adaptation action from 545 randomly selected households in 91 villages. A multi-disciplinary bottom-up indicator-based approach was applied to identify and normalize sectoral indicators, and PCA was used to prioritize sectoral indicators. Adaptation actions were designed with prioritized sectoral indicators along the altitude and stakeholder consultations. The prioritized indicators varied along the altitudinal gradient, and more than 50% of the indicators for the same sector were different along an altitudinal gradient. Sectoral adaptation planning along the altitude is pertinent in the mountain because they contribute to adaptation planning differently. Additionally, the mainstreaming of adaptation strategies with national and regional development measures is also required. Finally, cross-sectoral resource management that combines users, planners, scientists, and policymakers should be formulated along the altitude within the district. These findings contribute to minimizing the gap between policy/program fabrication and local requirements. The evidence-based valuable knowledge for decision-makers could enable Himalayan communities to adapt to the impacts of climate change effectively. Adaptation planning is also critical for designing adaptation projects for the Green Climate Fund, Adaptation Fund, and funds from multilateral and bilateral agencies. It will facilitate Nationally Determined Contributions, which aims to adapt better to climate change by enhancing investments in development programs in vulnerable sectors.
社会生态系统日益面临气候变化的影响,这对居民的生命和财产造成了不利影响。本研究旨在优先考虑北阿坎德邦Pauri地区沿海拔梯度(1801米高(C区))的适应行动。采用横断面调查研究设计,对91个村庄随机抽取的545户家庭进行适应行动排序。采用多学科自底向上的方法对部门指标进行识别和规范化,并采用主成分分析法对部门指标进行优先排序。适应行动是根据高度和利益攸关方协商制定的优先部门指标来设计的。优先指标在海拔梯度上存在差异,同一扇区50%以上的指标在海拔梯度上存在差异。沿着海拔的部门适应规划与山区相关,因为它们对适应规划的贡献不同。此外,还需要将适应战略纳入国家和区域发展措施的主流。最后,应沿着区域内的海拔高度制定结合用户、规划者、科学家和决策者的跨部门资源管理。这些发现有助于减少政策/计划制定与当地需求之间的差距。为决策者提供的基于证据的宝贵知识可以使喜马拉雅社区有效地适应气候变化的影响。适应规划对于绿色气候基金、适应基金以及多边和双边机构的基金设计适应项目也至关重要。它将促进国家自主贡献,其目的是通过增加对脆弱部门发展项目的投资,更好地适应气候变化。
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引用次数: 0
Diversity and Opportunities for Rural Development: Reflecting Awareness, Understanding and Activities in Rural Areas 农村发展的多样性和机会:反映农村地区的认识、理解和活动
Pub Date : 2023-06-14 DOI: 10.3390/world4020023
T. Dax, A. Copus, Dazhuan Ge
What does rural development policy aim to achieve, and how does it go about it [...]
农村发展政策的目标是什么,以及如何实现它[…]
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引用次数: 0
Quantifying the Economic Impact on Farmers from Agricultural Machinery: A Case Study of Farmers in Sudan 量化农业机械对农民的经济影响:以苏丹农民为例
Pub Date : 2023-06-08 DOI: 10.3390/world4020022
H. Ahmed, Erika E. Miller
The adoption of agricultural technologies in developing economy countries has the potential to reduce poverty through sustainable intensification. Mechanized farming can also improve perceptions of farming and mitigate rural out-migration. However, many traditional farmers do not have access to machinery and/or machinery is cost prohibitive. The objective of this paper is to quantify how the use of machinery affects costs, revenue, net-profits, and returns on investment for a case study of farmers in Sudan, Africa. A treatment control study (N = 36) was performed across the 2019 (baseline), 2020, and 2021 farming seasons, where the treatment group was provided tractors. ANOVAs and t-tests were used to compare financial values between these groups across the farming seasons, to quantify economic differences associated with farming machinery. We show that all farmers had similar net-profits when farming without machinery, while mechanized farming yielded significantly higher net-profits (USD 16.61/acre more in 2020, USD 27.10/acre more in 2021). Our study also finds that the volatility of the black-market exchange rate and labor shortages have a significant impact on farming net-profits. These results provide a quantified difference between farming with and without machinery, which can provide a financial basis for purchasing and borrowing models, machinery design requirements, and educational value to farmers.
在发展中经济国家采用农业技术有可能通过可持续的集约化来减少贫困。机械化耕作还可以改善人们对耕作的看法,缓解农村人口向外迁移。然而,许多传统农民无法获得机械和/或机械成本过高。本文的目的是量化机械的使用如何影响成本、收入、净利润和投资回报,以非洲苏丹农民为例进行研究。在2019年(基线)、2020年和2021年的农作季节进行了一项治疗对照研究(N = 36),实验组获得了拖拉机。采用方差分析和t检验来比较这些群体在整个农业季节的财务价值,以量化与农业机械相关的经济差异。我们发现,所有农民在无机械耕作时的净利润相似,而机械化耕作的净利润明显更高(2020年每英亩多16.61美元,2021年每英亩多27.10美元)。我们的研究还发现,黑市汇率的波动和劳动力短缺对农业净利润有显著影响。这些结果提供了使用和不使用机械耕作之间的量化差异,可以为购买和借用模型、机械设计要求和对农民的教育价值提供财务基础。
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引用次数: 1
The Health Silk Road: A Double-Edged Sword? Assessing the Implications of China’s Health Diplomacy 健康丝绸之路:一把双刃剑?评估中国卫生外交的影响
Pub Date : 2023-06-01 DOI: 10.20944/preprints202305.0158.v1
Shaoyu Yuan
The Health Silk Road (HSR) of the Belt and Road Initiative (BRI) of China aims to enhance public health and foster international cooperation in the healthcare sector. HSR objectives include strengthening healthcare infrastructure, expanding China’s global health leadership, and enhancing international health cooperation. The aim of this study was to examine the HSR and its implications for global health and international relations by using expert opinion analysis on known major HSR initiatives. We analyzed the objectives of HSR, including improving healthcare infrastructure, enhancing global health cooperation, and expanding China’s global health leadership. Additionally, as a case study, an in-depth analysis of the China-Pakistan collaboration on healthcare under the China-Pakistan Economic Corridor (CPEC) was conducted. This research posits that the HSR has a mix of positive and negative implications. Positive impacts of HSR include improved healthcare services, infrastructure, and capacity-building in participating countries. The main challenges include the quality and sustainability of the infrastructure and services provided, debt sustainability, transparency of projects, and China’s geopolitical influence. This research identified five motives behind China’s HSR: economic interests, diplomatic influence, reputation building, regional stability, and health security. The summary centers on CPEC and the WHO/Global collaboration. This research contributes to a nuanced understanding of the HSR’s multifaceted impacts and underscores the importance of open dialogue, cooperation, and the sharing of best practices among stakeholders. By assessing the motives, implications, and concerns of the HSR, this study offers valuable insights for policymakers, global health practitioners, and scholars, highlighting the significance of international collaboration.
中国“一带一路”倡议的“健康丝绸之路”旨在提升公共卫生水平,促进医疗卫生领域的国际合作。高铁的目标包括加强卫生基础设施建设,扩大中国在全球卫生领域的领导地位,以及加强国际卫生合作。本研究的目的是通过对已知的主要高铁倡议进行专家意见分析,审查高铁及其对全球卫生和国际关系的影响。我们分析了高铁的目标,包括改善医疗基础设施,加强全球卫生合作,扩大中国在全球卫生领域的领导地位。此外,作为案例研究,深入分析了中巴经济走廊(CPEC)下的中巴医疗卫生合作。这项研究假设高铁既有积极的影响,也有消极的影响。高铁的积极影响包括改善参与国的医疗保健服务、基础设施和能力建设。主要挑战包括所提供的基础设施和服务的质量和可持续性、债务可持续性、项目透明度以及中国的地缘政治影响力。这项研究确定了中国高铁背后的五个动机:经济利益、外交影响力、声誉建设、地区稳定和卫生安全。摘要主要围绕中巴经济走廊和世卫组织/全球合作展开。这项研究有助于对高铁的多方面影响有细致的了解,并强调了利益相关者之间公开对话、合作和分享最佳实践的重要性。通过评估高铁的动机、影响和关注点,本研究为政策制定者、全球卫生从业者和学者提供了有价值的见解,强调了国际合作的重要性。
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引用次数: 2
Indigenous Food Yam Cultivation and Livelihood Practices in Cross River State, Nigeria 尼日利亚克罗斯河州土著食用山药种植和生计实践
Pub Date : 2023-05-29 DOI: 10.3390/world4020020
E. S. Ema, J. Obidiegwu, C. Chilaka, E. Akpabio
Yam production, processing, distribution, and marketing processes are underpinned by socio-cultural beliefs shaped by ritual practices and indigenous wisdom. We used semi-structured interviews, public meetings, keen observation, local informants, and a review of secondary materials to assess local indigenous understanding of interconnected perspectives of yam farming processes, socio-cultural perspectives, and livelihood practices in communities in southern Nigeria. Our findings revealed that over 90% of farmers depend on experiences of adjusting to seasonal challenges, storage practices, and fertility enhancement. Cultural beliefs and spiritual practices pervade farmers’ social attitudes to improving farming operations. Almost 70% of yam producers are aged 60 years and above and depend on crude tools and traditional methods of land management and production process, even though the modern and innovative farming methods and practices are limited. Farmers respond to the poor public support system of extension services by informal networking and local associational relationships with diverse schemes to support and encourage members. Government and organizations should take advantage of these informal structures to empower farmers through micro-credits, education, information, training, supervision, and mechanization. Different groups of actors organized into formal social structures like cooperatives will take advantage of bulk buying, selling, transportation, access fundings, information, education, and training from public and non-governmental institutions. The study findings have demonstrated that the socio-economic structure of the Obudu community has developed extensively on account of decades of yam production and processing, supporting chains of a livelihood network, entrepreneurship, and relationships of mutual cooperation and co-existence.
山药的生产、加工、分销和营销过程受到仪式实践和土著智慧形成的社会文化信仰的支持。我们采用半结构化访谈、公开会议、敏锐观察、当地线人和二手材料的回顾来评估当地土著对尼日利亚南部社区番薯种植过程、社会文化观点和生计实践的相互关联观点的理解。我们的研究结果显示,超过90%的农民依赖于适应季节挑战、储存实践和肥力提高的经验。文化信仰和精神实践渗透在农民改善农业经营的社会态度中。近70%的山药生产者年龄在60岁及以上,依靠原始工具和传统的土地管理方法和生产过程,尽管现代和创新的耕作方法和做法有限。农民通过非正式网络和地方协会关系,通过各种计划支持和鼓励成员,来应对推广服务的公共支持系统薄弱的问题。政府和组织应利用这些非正式结构,通过小额信贷、教育、信息、培训、监督和机械化赋予农民权力。组织成合作社等正式社会结构的不同行为者群体将利用大宗采购、销售、运输的优势,从公共和非政府机构获得资金、信息、教育和培训。研究结果表明,由于几十年来山药的生产和加工、生计网络的支持链、企业家精神以及相互合作和共存的关系,Obudu社区的社会经济结构得到了广泛发展。
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引用次数: 0
Advancing the Welfare of People and the Planet with a Common Agenda for Reproductive Justice, Population, and the Environment 以生殖正义、人口和环境共同议程促进人类和地球的福祉
Pub Date : 2023-05-06 DOI: 10.3390/world4020018
J. Speidel, J. O’Sullivan
Driven by increasing consumption and population numbers, human demands are depleting natural resources essential to support human life, causing damage to crop lands, fresh water supplies, fisheries, and forests, and driving climate change. Within this century, world population could increase by as little as 15% or by more than 50%, depending largely on how we respond. We must face the challenge of accommodating these additional people at the same time as virtually eliminating the use of fossil fuels and other activities that generate greenhouse gases, reversing environmental degradation and supporting improved living standards for billions of impoverished people. The response to this challenge is handicapped by a lack of common understanding and an integrated agenda among those contributing to the response. This report offers a strategy to protect natural systems and improve welfare through expansion of reproductive justice, a concept that includes family planning, reproductive health, and gender equity, and preservation of the environment and climate.
在不断增长的消费和人口数量的推动下,人类的需求正在耗尽维持人类生活所必需的自然资源,对农田、淡水供应、渔业和森林造成破坏,并推动气候变化。在本世纪内,世界人口可能增长15%或50%以上,这在很大程度上取决于我们如何应对。我们必须面对这样的挑战:在容纳这些新增人口的同时,几乎完全停止使用化石燃料和其他产生温室气体的活动,扭转环境恶化的趋势,支持提高数十亿贫困人口的生活水平。对这一挑战的反应由于在作出反应的各方之间缺乏共同理解和综合议程而受到阻碍。本报告提出了一项通过扩大生殖正义来保护自然系统和改善福利的战略。生殖正义的概念包括计划生育、生殖健康和性别平等,以及保护环境和气候。
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引用次数: 0
Energy Use Patterns of Pearl Millet (Pennisetumglaucum (L.)) Production in Haryana, India 印度哈里亚纳邦珍珠粟(Pennisetumglaucum, L.)生产的能源利用模式
Pub Date : 2023-04-19 DOI: 10.3390/world4020017
Raveena Kargwal, Yadvika, V. Singh, Ajay Kumar
Pearl millet (Pennisetumglaucum (L.)) is the fifth most important cereal crop in the world after rice, wheat, maize and sorghum. A resolution adopted by the UN General Assembly on 3 March 2021 decided to declare 2023 as the International Year of Millets. Millet has been promoted due to its nutritional value and low irrigation requirement. In this study, pearl millet was selected for energy auditing, and its production amount is a direct function of energy input. The production of pearl millet needs to be augmented to fulfill an increasing demand. Pearl millet is produced using various sources of energy. This study was conducted to examine the energy use pattern of different categories of farmers, such as small, medium and large, for pearl millet production in Hisar district, Haryana, India. The energy was distributed in different operations, including preparatory tillage, sowing, interculture, fertilizer, irrigation, pesticide, harvesting, threshing and transportation. The source-wise energy (direct and indirect) and operation-wise energy consumption were calculated for all categories of farmers. The average energy input of small, medium and large farmers was 2849.09 MJ.ha−1, 3027.21 MJ.ha−1 and 4021.50 MJ.ha−1, respectively. The highest energy was consumed in fertilizer application (52%), with the lowest in seed (2%). The energy ratios of small, medium and large farmers were 3.92, 9.40 and 13.80, respectively. This study could improve the agricultural production systems of pearl millet regarding the energy values of the inputs and outputs.
珍珠粟(Pennisetumglaucum (L.))是世界上继水稻、小麦、玉米和高粱之后的第五大谷类作物。联合国大会于2021年3月3日通过决议,决定宣布2023年为国际小米年。小米因其营养价值高和灌溉需求低而得到推广。本研究选择珍珠粟进行能量审计,其产量与能量投入直接相关。珍珠粟的产量需要增加以满足日益增长的需求。珍珠粟是用各种能源生产的。本研究旨在调查印度哈里亚纳邦希萨尔地区不同类型农民(如小型、中型和大型)对珍珠粟生产的能源使用模式。能量分布在不同的操作中,包括预备耕作、播种、杂交、施肥、灌溉、农药、收获、脱粒和运输。计算了所有类别农民的能源(直接和间接)和操作能源消耗。大、中、小农户的平均能量投入为2849.09 MJ。ha−1,3027.21 MJ。ha−1和4021.50 MJ。ha−1,分别。施肥消耗能量最高(52%),种子消耗能量最低(2%)。小、中、大农户能量比分别为3.92、9.40、13.80。本研究可从投入产出能量值的角度完善珍珠谷子的农业生产体系。
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引用次数: 0
Emission Reduction via Fossil Fuel Subsidy Removal and Carbon Pricing, Creating Synergies with Revenue Recycling 通过取消化石燃料补贴和碳定价减少排放,与收入回收产生协同效应
Pub Date : 2023-04-13 DOI: 10.3390/world4020016
A. Bassi, Georg Pallaske, R. Bridle, Kavya Bajaj
The removal of fossil fuel subsidies and the introduction of carbon pricing have been discussed for more than a decade, but their potential contribution to emission reduction is still uncertain, especially in relation to the potential indirect impact of revenue recycling. We have created a simulation model, GSI-IF, designed to assess the emission reduction potential resulting from removing fossil fuel subsidies and recycling part of the avoided subsidy and additional revenue from carbon pricing to renewable energy and energy efficiency. Our results show that emissions could decline by 7.1% in 2030 and up to 19.8% in 2050 compared to a baseline scenario. We find that subsidy removal is most effective in reducing emissions in countries with a high incidence of fossil fuel subsidies and it has stronger impact in the short term. The recycling of carbon pricing is most relevant for larger economies and its impact accumulates over time, generating growing GHG reductions year after year. In the current context (year 2022) with high energy prices, heavy stress on fiscal balances, and the renewed ambition of most governments to reduce emissions toward Net Zero in 2050, subsidy removal and carbon pricing hold promise in the toolbox of decarbonization options while improving fiscal sustainability.
取消化石燃料补贴和引入碳定价已经讨论了十多年,但它们对减排的潜在贡献仍然不确定,特别是在收入回收的潜在间接影响方面。我们创建了一个模拟模型GSI-IF,旨在评估取消化石燃料补贴、将部分避免的补贴和碳定价带来的额外收入用于可再生能源和能源效率所带来的减排潜力。我们的研究结果表明,与基线情景相比,到2030年,排放量可能下降7.1%,到2050年可能下降19.8%。我们发现,在化石燃料补贴高的国家,取消补贴对减排最有效,并且在短期内具有更强的影响。碳定价的循环利用与较大的经济体最为相关,其影响随着时间的推移而积累,使温室气体排放量年复一年地增加。在当前(2022年)的背景下,能源价格居高不下,财政平衡面临巨大压力,大多数政府都重新树立了到2050年实现净零排放的雄心,取消补贴和碳定价在提高财政可持续性的同时,为脱碳选择带来了希望。
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引用次数: 0
Teaching Complex and Controversial Issues: Importance of In-Situ Experiences in Changing Perceptions of Global Challenges 教学复杂和有争议的问题:原位经验在改变对全球挑战的看法中的重要性
Pub Date : 2023-03-29 DOI: 10.3390/world4020015
A. Goodenough, Lynne M. MacTavish, Dougal MacTavish, A. Hart
Engaging people with controversial and emotive issues that are inherently complex is challenging, especially when those issues are multifaceted or multidisciplinary, span environmental, economic, social, and political contexts, are global in scope, or where circumstances and implications differ spatially. Teaching such issues requires teachers and learners to navigate a challenging landscape of nuance and conflicting perspectives; immersive place-based learning might facilitate more meaningful exploration of such issues, but this has not previously been studied. In a multi-institution international study, we surveyed 164 participants (12 groups; 9 institutions) before and after an immersive fieldtrip in South Africa to assess perceptions on contentious issues. Wilcoxon signed-rank tests showed that participants had statistically significant opinion shifts for 17 of 18 statements, including those where change was likely due to improved knowledge or indicative of deeper attitude shifts. Generalised Linear Modelling revealed that propensity for opinion shifts was not influenced by demographics (age, gender), location (country of origin) or trip type (formal or informal). We conclude that in an increasingly complex world, context-relevant immersive experiences that facilitate deep learning by providing opportunities to explore contentious issues in situ are an ever-more valuable tool, not just for attainment but also for developing personal perspectives and as a catalyst for societal transitions.
让人们参与有争议的、情绪化的、本质上复杂的问题是具有挑战性的,尤其是当这些问题是多方面的或多学科的,跨越环境、经济、社会和政治背景,是全球性的,或者是环境和影响在空间上不同的时候。教授这些问题需要教师和学习者在充满细微差别和相互冲突的观点的挑战中导航;沉浸式的基于地点的学习可能会促进对这些问题的更有意义的探索,但这在以前还没有被研究过。在一项多机构国际研究中,我们调查了164名参与者(12组;在南非实地考察之前和之后,评估对有争议问题的看法。Wilcoxon sign -rank测试显示,参与者对18个陈述中的17个有统计上显著的意见转变,包括那些改变可能是由于知识的提高或表明更深层次的态度转变。广义线性模型显示,意见转变的倾向不受人口统计学(年龄、性别)、地点(原籍国)或旅行类型(正式或非正式)的影响。我们得出的结论是,在一个日益复杂的世界中,与情境相关的沉浸式体验通过提供探索有争议问题的机会来促进深度学习,这是一种越来越有价值的工具,不仅有助于实现目标,还有助于发展个人观点,并作为社会转型的催化剂。
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引用次数: 0
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Microlithography World
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