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The purpose of this paper is to explore the emissions of CO₂ in Italy during 1861 to 2002. The Environmental Kuznets Curve (EKC) is applied to explore the relationship between CO₂ emission and Gross Domestic Product (GDP) per capita. An Index Decomposition Analysis (IDA) is also applied to investigate changes in emissions between 1990 to 2002. Several factors contribute to change in the emission of CO₂. These factors generally include a scale effect, a technological effect and a composition effect.

The main discussion in the paper is about the exiting of EKC in Italy and how a decomposition analysis can be used to look behind the time series of the environmental accounts.

The findings in the paper indicate the typical inverted “U” form of EKC is not confirmed with our data set for Italy. According our econometric results, there is a positive relationship between economic growth and CO₂; following the trend, the maximum emission of CO₂ per capita in Italy would be reached when the GDP per capita will be about 26900 US$ (turning point). Basically, two major forces have determined the increase of CO₂ pollution in Italy over time: eco‐efficiency (pollution per monetary unit of output) and volume effect (volume growth of Value Added).

The decomposition method performed in this paper allows us to analyse which sectors are responsible for CO₂ emissions and quantify the magnitude of the theoretical factors expected to influence the emission. The method used for the decomposition analysis can also be applied by countries with lack of time series Input‐Output data.

The investigation in the paper of the existing of EKC allows to know at which level of income the CO₂ emissions will start decreasing in Italy. The analysis is based on a long time series (141 years). Decomposition analysis can be considered a tool, which helps to detect whether the increase of CO₂ is mainly due to economic growth or technological change.

The purpose of this paper is to analyze and map the main areas of the Circular Economy literature of the first two decades of 21st century, offering a broad vision about the growth of the theme during these years.

The research was divided into two stages: the first was a systematic review of literature and the second consisted on generation and analysis of bibliographic maps.

The publication indicates the prominence of China and European Union countries in the production of articles about Circular Economy. Furthermore, the topic is restricted to academic area, and that research on Circular Economy is still very focused on theory studies, even with exponential growth in the number of published articles about the theme since 2015. Finally, it also provides a collection of information as the principal authors, the most cited publications, citations, co-citations and countries that have most published beyond which are the most discussed topics.

A possible limitation of the research is that it was performed only in the Scopus database. It may be suggested as future searches that other databases are included as well, and another suggestion is to reduce the time period between research samples due to the exponential increase in the number of publications and topics discussed lately.

The results of this paper can guide future researches about the development of Circular Economy during the next decades or years and serve as a facilitator for researchers and for managers that want to know more about the topic.

A mapping of the principal players and main discussions about Circular Economy made in the first two decades of the 21st century and an analysis about the growth and changes about the theme.

This study aims to summarize the trend and overall aspect of Circular Economy (CE) in supply chain management research as a contribution of the previous research towards the CE concept narrowed in perspective, without presenting a specific application. Further, it is explored to identify the research hotspot, knowledge base, topic, landmark and pivot point in this research.

The scientometric mapping of CE in supply chain research papers is analyzed using VOSviewer and CiteSpace software to cover the broader field spectrum and overcome a manual review. The Research papers are extracted from the Web of Science core collection comprising keywords “Circular Economy*” and “Supply Chain*”. A number of 1,092 papers are selected from the reputed journals over 20 years (2001–2021) for review.

The co-operation visualization network analysis initially identifies the descriptive analysis of overall publications, leading authors, countries, institutions and journal sources. The co-occurrences of keywords present the research hotspot. Moreover, the co-citation cluster analysis identifies knowledge base, research topic, landmark and pivot point. Industry 4.0 integrated supply chain, their driver, barrier, challenges and risks need further investigation.

The findings are based on networks visualization analysis principles, which indicate connection, quality and impact of academic works that might be open to accusations. The methodology chosen for the research and findings interpretations are based on researchers' perceptive limitations and subjective judgment.

This review paper covers a diverse view to attain sustainable development goals due to considerable attention from researchers, practitioners and policymakers. Also is expected to set the future direction of the CE in the supply chain research.