2022 International Conference on ICT for Sustainability (ICT4S)最新文献

Consumer Uptake of Digital Low-Carbon Innovations 消费者对数字低碳创新的接受

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00022

C. Wilson, Barnaby Andrews, E. Vrain

{"title":"Consumer Uptake of Digital Low-Carbon Innovations","authors":"C. Wilson, Barnaby Andrews, E. Vrain","doi":"10.1109/ict4s55073.2022.00022","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00022","url":null,"abstract":"Digitalisation is transforming the consumer landscape. Digitally-enabled mobility, food provision, domestic living, and energy supply can help reduce carbon emissions. We use stated preference data from a nationally-representative sample in the UK (n=3014) to understand consumer adoption of 13 digital low-carbon innovations across mobility, food, homes and energy domains. Using diffusion of innovations as our analytical framework, we test three main adoption drivers: adopter characteristics, social influence, and innovation attributes. We use blocks of variables measuring each adoption driver as predictors in logit models that distinguish adopters from non-adopters. We focus our analysis on adoption drivers that are significant and consistent predictors of digital innovation adoption across different contexts.Compared to non-adopters, we find that early adopters of digital low-carbon innovations are more likely to be younger, in employment, living in multi-person households, digitally skilful, environmentally active, and technologically active. We also find that early adopters are more exposed to inter-personal information flows (i.e., social influence), use social media more intensively, and perceive the innovations to offer higher relative advantage over current practices, be easy to use, be more compatible both with their values and their lifestyles. These drivers of adoption hold across mobility, food, homes and energy-related innovations, so can be translated into generalisable strategies, policies, and interventions for stimulating consumer uptake of digital low-carbon innovations. Although our data collection specifically characterises adopters and non-adopters in the UK, the innovations in our sample are increasingly available in markets worldwide so our findings have broad applicability.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"104 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127166350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Architectural Tactics to Optimize Software for Energy Efficiency in the Public Cloud 在公共云中优化软件能效的架构策略

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00019

Sophie Vos, Patricia Lago, R. Verdecchia, I. Heitlager

{"title":"Architectural Tactics to Optimize Software for Energy Efficiency in the Public Cloud","authors":"Sophie Vos, Patricia Lago, R. Verdecchia, I. Heitlager","doi":"10.1109/ict4s55073.2022.00019","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00019","url":null,"abstract":"A promise of cloud computing is the reduction of energy footprint enabled by economies of scale. Unfortunately, little research is available on how cloud consumers can reduce their energy footprint when running software in the public cloud. Moreover, cloud consumers do not have full access to information regarding their cloud infrastructure usage, which is required to understand the impact of design decisions on energy usage. The purpose of our study is to support cloud consumers in developing energy-efficient workloads in the public cloud. To achieve our goal, we collaborated with a large cloud solution provider to discover an initial set of reusable architectural tactics for software energy efficiency. Starting from interviews with 17 practitioners, we reviewed and selected available tactics to improve the energy efficiency of individual workloads in the public cloud, and synthetized the identified tactics in a reusable model. In addition, we conducted a case study to assess the impact of utilizing a tactic, which was selected following a prioritization provided by the practitioners. Our results demonstrate the possibility to architect cloud workloads for energy efficiency through reasoning and estimation of resource optimization. However, the process is not (yet) straightforward due to the current lack of transparency of cloud providers.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"193 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128358302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 5

The ‘Vattn’ Case: Analysing Sustainability Impacts in a Software Startup “Vattn”案例:分析软件初创公司的可持续性影响

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00026

S. Lieu, Adelric Wong, B. Penzenstadler

引用次数: 1

From (e-)wasteland to Repair Society: Exploring ICT repair through speculative scenarios 从(电子)荒地到修复社会:通过推测场景探索ICT修复

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00029

Minna Laurell-Thorslund, Sahra Svensson-Hoglund, D. Pargman, Elina Eriksson

{"title":"From (e-)wasteland to Repair Society: Exploring ICT repair through speculative scenarios","authors":"Minna Laurell-Thorslund, Sahra Svensson-Hoglund, D. Pargman, Elina Eriksson","doi":"10.1109/ict4s55073.2022.00029","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00029","url":null,"abstract":"Circularity in how we handle resources and materials is a key ambition in many sustainability initiatives and policies. Yet, when it comes to the circularity of ICT, much research tends to focus on how raw materials are sourced and later recycled. E-waste has represented the fastest growing waste stream globally for years, and the vast majority is not handled appropriately. In a society where repair is possible, accessible and the normative response to the breakage of devices, this waste stream could be dramatically reduced. In this paper, we describe and discuss the results of a literature review of how repair of ICT has been approached in the proceedings of previous ICT4S conferences (2013–2020). The findings are then analysed in relation to a set of speculative future Repair Society scenarios, which were developed to inform policy recommendations. The paper contributes to the ICT4S community by: 1) identifying aspects of ICT repair that have been studied to date; 2) using the Repair Society scenarios to generate insights and reflect on gaps in the research; and 3) outlining insights and suggestions of areas that could fruitfully be explored by the ICT4S community in future research.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114657427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Towards considering Planetary Boundaries in Life Cycle Assessments of ICT 考虑ICT生命周期评估中的行星边界

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00024

P. Bergmark, Gustaf Zachrisson

{"title":"Towards considering Planetary Boundaries in Life Cycle Assessments of ICT","authors":"P. Bergmark, Gustaf Zachrisson","doi":"10.1109/ict4s55073.2022.00024","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00024","url":null,"abstract":"Realizing the need for establishing a better understanding of the impacts of Information and Communication Technologies (ICT) in relation to critical Earth System Processes, this paper provides an early exploration of how Life Cycle Assessment (LCA) of ICT would need to develop to consider the Planetary Boundaries framework [1]. Based on identification of LCA impact categories and indicators, and earlier attempts to integrate the Planetary Boundaries framework into LCA, the study aims to identify a plausible way forward. Impact category indicators with some similarity in scope to the Planetary Boundaries’ control variables are identified based on the investigated life cycle impact assessment frameworks and a ranking is performed based on relevance. Moreover, it is explored how ICT LCA models and data would need to adjust to consider the Planetary Boundaries framework.The study concludes that integration of the Planetary Boundaries framework into LCA of ICT seems highly challenging. Not least, the development of a mature Planetary Boundaries life cycle impact assessment method will need considerable time and effort. It also concludes that once a method is available it will be complementary to traditional LCA approaches rather than replacing them. Moving forward the study sees two main steps: alignment of impact categories and establishment of granular Safe Operating Spaces needed to assess the absolute environmental sustainability of products.LCA practitioners in the ICT sector can prepare for this process by collecting spatially and temporally granular data and reflect this in their LCA models – a development that would also benefit the accuracy of traditional LCA. The practitioners may also prepare future use of PB-LCA by selecting functional units like ‘per subscription and year’ and LCIA indicators that somehow match Earth System Process control variables from a scope perspective (such as ReCiPe and ILCD indicators).","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114798260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Analysing the energy impact of different optimisations for machine learning models 分析不同优化对机器学习模型的能量影响

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00016

María Gutiérrez, M. A. Moraga, F. García

{"title":"Analysing the energy impact of different optimisations for machine learning models","authors":"María Gutiérrez, M. A. Moraga, F. García","doi":"10.1109/ict4s55073.2022.00016","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00016","url":null,"abstract":"Nowadays, there is an increasing use of artificial intelligence algorithms in the software applications we use in our daily lives. This allows us to effectively and efficiently solve a wide range of problems, but it is important to pay attention to the environmental impact they may have. This kind of algorithms often demand intensive use of several computational resources, including energy consumption, which means that more and more attention must be paid to the design and parametrization of machine learning algorithms in order to consider their energy efficiency, along with their functionality. With a proper assessment of energy consumption, developers gain the ability to take energy efficiency as a requirement for developing a machine learning model. As an illustrative example, in this paper we analyze the energy impact of changing the optimization method of a machine learning model based on logistic regression. We used three versions of the same logistic regression model using the Scikit-Learn python package, with the only difference between each version being the solver they use (SAG, Newton-CG, LBFGS), and measured their energy consumption for processing a dataset for detecting fraudulent credit card transactions. Our results reveal a major difference in consumption between the solver with least consumption (LBFGS, 961.36 W/s) and the most (Newton-CG, 2,761.71 W/s), while their difference in accuracy is only 0.016 percent points. This confirms the usefulness of evaluating the energy impact of the optimization choices of algorithms, so that developers can adequately consider the trade-off between the traditional quality measures (e.g. precision, recall, etc.) and energy consumption.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123817609","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Music Within Limits 有限度的音乐

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00028

Yann Seznec

引用次数: 0

Finding Significant Differences in the Energy Consumption when Comparing Programming Languages and Programs 在比较编程语言和程序时发现能源消耗的显著差异

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00012

Lukas Koedijk, Ana Oprescu

{"title":"Finding Significant Differences in the Energy Consumption when Comparing Programming Languages and Programs","authors":"Lukas Koedijk, Ana Oprescu","doi":"10.1109/ict4s55073.2022.00012","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00012","url":null,"abstract":"The EU Green Deal mirrors the societal concern regarding climate change. In the software industry this means reducing the energy consumption of a program. This can be done by looking both at the hardware and the software used. We take a software approach and focus on the programming language choices and how a computer program is written. The programming languages we investigate are Java, JavaScript, Python, PHP, Ruby, C, C++ and C#. We compare programs from The Computer Language Benchmarks Game and these programs are divided in groups that solve the same problem.We find that the choice of programming language and the way of writing your program influences the energy consumption. The programming languages that consume the least amount of energy over all the problems are C and C++, albeit these programming languages consume more energy when compilation flags are minimized. However, in some cases we could not prove that there was a difference in the energy consumption. We also find that the hardware used to run the programs has an influence on the energy consumption. We find that the runtime of a program correlates with the energy consumption, but a shorter runtime does not necessarily result in a lower energy consumption.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"41 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123085394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 3

Addressing Students’ Eco-anxiety when Teaching Sustainability in Higher Education 高等教育可持续发展教学中学生生态焦虑的解决

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00020

Elina Eriksson, Anne-Kathrin Peters, D. Pargman, Björn Hedin, Minna Laurell-Thorslund, Sandra Sjöö

{"title":"Addressing Students’ Eco-anxiety when Teaching Sustainability in Higher Education","authors":"Elina Eriksson, Anne-Kathrin Peters, D. Pargman, Björn Hedin, Minna Laurell-Thorslund, Sandra Sjöö","doi":"10.1109/ict4s55073.2022.00020","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00020","url":null,"abstract":"The widespread awareness and the sense of urgency and helplessness regarding the ongoing sustainability crisis (climate change, biodiversity loss etc.) can evoke feelings of grief, sorrow, despair and anxiety. Those emotions are seldom discussed in computing or in computing education. They can have detrimental effects on the well-being of students and others, and also lead to inaction. But concern can on the other hand also be a catalyst for learning. In this paper, we present results and reflections from a research and development project in our introductory course to sustainability and ICT focusing on emotions in sustainability education. We focus on “eco-anxiety” and ask: 1) How is eco-anxiety communicated by students and teachers?, 2) In what ways do students receive support to deal with eco-anxiety? and 3) What could be done to better address eco-anxiety in computing education? We here present an analysis of how we have responded to the phenomenon of eco-anxiety, what activities have been added to the course and an evaluation of these interventions. The results are based on joint reflections that have been guided by literature, a small-scale ethnographic study as well as a course evaluation. The paper will end with recommendations for other ICT4S educators on how they can start addressing eco-anxiety in their education.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"182 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124750092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 6

Let’s Start Reducing the Carbon Footprint of Academic Conferences 让我们开始减少学术会议的碳足迹吧

2022 International Conference on ICT for Sustainability (ICT4S) Pub Date : 2022-06-01 DOI: 10.1109/ict4s55073.2022.00027

Mark C. Funke, Patricia Lago

{"title":"Let’s Start Reducing the Carbon Footprint of Academic Conferences","authors":"Mark C. Funke, Patricia Lago","doi":"10.1109/ict4s55073.2022.00027","DOIUrl":"https://doi.org/10.1109/ict4s55073.2022.00027","url":null,"abstract":"The COVID-19 pandemic forced researchers to move academic conferences to a virtual format; but also brought attention back to the carbon footprint of their physical format. In general, while conferences can follow different formats with a different carbon footprint, the related factors of influence remain unclear, hence hindering informed decisions on how to organize and attend them.This work provides a preliminary study of the carbon footprint of academic conferences and the trade-offs between alternative conference types. First, we conducted a systematic literature review (SLR) to identify factors that contribute to the carbon footprint of on-site, virtual, and hybrid conferences. Second, we conducted an interview survey among steering committee members of a pilot of prominent international conferences to complement the SLR.There is agreement in the literature and the research community that on-site conferences suffer from travel-related emissions among many other factors. While the on-site type benefits from strong networking possibilities, the virtual and hybrid types can reduce carbon emissions significantly. Notwithstanding, we miss a generic framework that accounts for all revealed carbon footprint factors in each conference type. Also, compared to carbon offsetting, carbon handprinting as a footprint reduction option is considered in neither the literature nor the research community. Among the results, we provide a first sustainability model to compare current and future conference types according to their sustainability trade-offs. The model can be used as a decision-making tool by, e.g., conference organizers.","PeriodicalId":437454,"journal":{"name":"2022 International Conference on ICT for Sustainability (ICT4S)","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126936477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4