Recent progress towards photovoltaics’ circular economy

Abstract The scrutiny over the carbon footprint of research and higher education has increased rapidly in the last few years. This has resulted in a series of publications providing various estimates of the carbon footprint of one or several research activities, principally at the scale of a university or a research center or, more recently, a field of research. The variety of tools or methodologies on which these estimates rely unfortunately prevents any aggregation or direct comparison. This is because carbon footprint assessments are very sensitive to key parameters (e.g., emission factors) or hypotheses (e.g., scopes). Hence, it is impossible to address fundamental questions such as: is the carbon footprint of research structurally different between disciplines? Are plane trips a major source of carbon emissions in academic research? Massive collection and curation of carbon footprint data, across a large array of research situations and disciplines, is hence an important, timely and necessary challenge to answer these questions. This paper presents a framework to collect and analyse large amounts of homogeneous research carbon emission data in a network of research entities at the national scale. It relies on an open-source web application, GES 1point5 , designed to estimate the carbon footprint of a department, research lab or team in any country of the world. Importantly, GES 1point5 is also designed to aggregate all input data and corresponding GHG emissions estimates into a comprehensive database. GES 1point5 therefore enables (i) the identification of robust local or national determinants of the carbon footprint of research and (ii) the estimation of the carbon footprint of the entire research sector at national scale. A preliminary analysis of the carbon footprint of more than one hundred laboratories in France is presented to illustrate the potential of the framework. It shows that the average emissions are 479 t CO 2 e for a research lab and 3.6 t CO 2 e for an average lab member (respectively 404 and 3.1 t CO 2 e without accounting for the indirect radiative effects of aviation), with the current scope of GES 1point5 . Availability and implementation: GES 1point5 is available online at http://labos1point5.org/ges- 1point5 and its source code can be downloaded from the GitLab platform at https://framagit.org/ labos1point5/l1p5-vuejs . 

An open-source tool to assess the carbon footprint of research

The early phases of product development effect fundamental changes in products throughout their life cycle. Therefore, the objective of the investigation was to develop a simplified model that supports the process of product design simultaneously in terms of qualitative and environmental factors. The model is dedicated to the design phase in the life cycle assessment of the product (LCA). The originality of the model consists in: (i) analysis of customers’ satisfaction from qualitative alternatives of products; (ii) assessments of the environmental impact of these alternatives; (iii) definition of the importance of qualitative and environmental attributes of products; and (iv) prediction of favourable changes in products according to qualitative–environmental levels. The model was tested for photovoltaic panels (PVs). The model is mainly dedicated to small and medium-sized enterprises (SMEs) for support in making decisions in the design phases of products in their life cycles. 

Improving the Process of Product Design in a Phase of Life Cycle Assessment (LCA)

Combining organizational and product life cycle perspective to explore the environmental benefits of steel slag recovery practices.

Reducing the carbon footprint (CF) helps to meet the targets of the sustainable development goals (SDGs), with emphasis on SDG 13, which seeks urgent measures to combat climate change and its impacts. Higher Education Institutions (HEIs) or universities, as organizations engaged in education, research, and community service, play an important role in promoting sustainable development. Thus, HEIs are increasingly interested in practices to reduce their CF, in addition to training professionals for this worldwide need. CF reduction is a tool to assess the sustainability and decarbonization of a campus that aligns with Green Campus (GC) initiatives. The objective of this study is to carry out a literature review of the current situation of CF reduction practices in HEIs and the move toward a greener campus, identifying the main sources of emissions according to the GHG Protocol and classification by scope. This article sought to identify the HEIs/universities with already-implemented decarbonization initiatives through the elaboration of a table. This study was based on a portfolio of 33 articles published up to February 2022 that analyze the CFs of HEIs and the implementation of green initiatives. Differences were identified in the methodology and data used by each university. The results show that the main reason for this is the lack of standardization regarding the time metric (year, semester), functional unit (student, employee, area), limitation of data collection (scope 1, 2, 3), and sources of emission and emission factors, mainly about Scope 3 (sometimes not considered in the calculations). However, despite the differences, the search for standardization was observed in the studied articles, as well as the expectation of reduction in the CF of HEIs over time. It also identified the efforts of HEIs in implementing green initiatives aimed at decarbonizing their campuses. It can be concluded that the CF of HEIs requires improvements and solutions to a series of challenges, including the definition of emission sources representative of Scope 3, the creation of a robust database of emission factors, and the development of tools and methodologies—with greater standardization—that cover the needs of the type of institution globally, and that can be used comparatively as an effective model by other HEIs.

/pdf/decarbonization-in-higher-education-institutions-as-a-way-to-14iwb9dt.pdf

Decarbonization in Higher Education Institutions as a Way to Achieve a Green Campus: A Literature Review

Carbon footprint assessment tool for universities: CO2UNV

Carbon footprint assessment tool for universities: co2unv

Combining O-LCA and O-LCC to support circular economy strategies in organizations: Methodology and case study

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Carbon footprint assessment tool for universities: CO2UNV

Carbon footprint assessment tool for universities: co2unv

Combining O-LCA and O-LCC to support circular economy strategies in organizations: Methodology and case study