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This paper addresses the problem of bunching of buses and how it may be counter-acted. An algorithm is presented for providing selective priority to buses at traffic signals according to their headways, the highest levels of priority being given to those buses with the highest headways, i.e. those buses which are running late or falling behind the bus in front.

Alternative selective priority strategies are evaluated in terms of their effects on bus journey time regularity, bus delay and general traffic delay. A simulation model SPLIT (Selective Priority for Late buses Implemented at Traffic signals) has been developed to investigate the performance of different priority strategies. The paper describes the details of the model, including bus stop dwell times and overlapping bus services, and compares results obtained from the model for a number of different priority strategies.

This work was driven by the keen interest in bus priority applications in London within the EC DGVII project INCOME.

This opening chapter of the edited volume, Childhood, Youth and Activism: Demands for Rights and Justice from Young People and Their Advocates, explores activism and advocacy – by and for children and young people. It begins by considering how activism has been understood in the scholarly literature, before making a case for a broad and inclusive conceptualisation of what counts as this particular form of social action. Relatedly, it examines the contours of the relationship between activism and advocacy, drawing attention to the ways in which these concepts converge, an issue that is particularly salient when applied to the categories of child and youth. Themes that emerge in research on child and youth activism are then drawn out and we identify some of the key issues that animate this work across various disciplines. These include observations that young people have long been central to social movements, the role of social media in youth activism, the nature of child and adult relationships in social movement organisations, and some of the issues that arise for young activists in relation to intersectional identities. To this we add debates regarding the politics of recognition, questions of voice and agency, and responsibility and their temporal registers. This discussion also foreshadows themes that emerge in the chapters across this volume. Finally, we offer a reflection on some of the conceptual issues raised when considering the book in its entirety, including those of voice, responsibility for the future, the politics of possibility and hope, and the many different forms and practices that activism and advocacy for and by young people take.

This paper aims to examine, through a qualitative study, how auditor independence is socially constructed within the network of individuals involved in the realization of ISO 14001 audit engagements – ISO auditors, consultants, and managers of certified companies. The paper analysis focuses on the sense-making strategies used by actors within the network to develop and sustain trust (or doubt) in professional independence.

This study is predicated on a theoretical perspective centered on sense-making processes and the construction of inter-subjective meanings around claims to expertise. Interviews were conducted with 36 Canadian practitioners – including ISO auditors, managers of certification bodies, accreditation inspectors, consultants, and corporate environmental managers – to better understand how confidence into auditor independence is constituted in the flow of daily life within the small group of people involved in the surroundings of ISO 14001 audit engagements.

Practitioners use a range of sense-making strategies to construct and maintain the belief that IS0 14001 audits meet the professional requirements of auditor independence. As such, the constitution of confidence involves stereotyping, distancing, storytelling and procedural mechanisms that are collectively mobilized in the production of a culture of comfort surrounding the concept of auditor independence.

Through interviews with a range of actors involved in the achievement of ISO 14001 audits, the study provides insight into the production of meaning related to one of the chief claims surrounding auditing expertise, that of professional independence. This paper also points to a lack of self-criticism in the ISO auditing community since practitioners seem disinclined to adopt a reflective attitude of professional skepticism towards the claim of auditor independence.

The purpose of this paper is to examine the relationship between environmental management accounting practices (EMAP), environmental management system (EMS) and organizational performance (OPM) for Malaysian manufacturing industry by using structural equation modeling (SEM) approach.

The population of the Malaysian manufacturing industry comprised 2,600 manufacturing companies. The unit of analysis is the organization that participated in the survey comprised of automotive/machinery, plastics/rubber/metal, food/tobacco, electrical/electronics and chemical/woods. Out of the 2,600 questionnaires sent to the respondents, 395 were received from manufacturing companies. The collected data are analyzed with the IBM SPSS Statistics and SEM technique.

Findings found that EMS implementation as a partial mediator to improve EMAP and OPM for Malaysian manufacturing industry. Further, the implementation of EMS was found to mediate the relationship between EMAP and OPM.

The understanding of the importance of studying the relationship between EMAP, EMS and OPM has been emphasized in the present study. In fact, the findings of this study along with its limitations have paved the way for future research in EMAP, EMS and OPM areas.

This research provides important guidelines for manufacturers and related companies to implement EMAP and EMS in order to improve OPM. Hence, the Malaysian manufacturing industry may need to consider the measurement of EMAP, EMS and OPM as beneficial to their manufacturing companies.

The research contributes to the environmental management accounting by empirically linking the relationship between EMAP, EMS and OPM for Malaysian manufacturing industry.

The purpose of this paper is to study how the expression “integrated management systems” is interpreted in literature, what it means to have an integrated management system (IMS) and what the results of this are.

A literature review was conducted based on Scopus using the search term “Integrated Management Systems.” In the chosen articles, effects of integration, scope, level and extent of integration and if the approach is inside-out or outside-in, have been analyzed.

Most articles on IMS conclude that integration is beneficial regarding cost saving, operational benefits and improved customer satisfaction. The general approach in the articles, describes an inside-out approach with focus on integrating existing management standards. The scope of integration covers typically management systems for quality, environment and occupational health and safety.

An IMS is found to be a system that integrates existing management standards based on an inside-out approach. This indicates possibilities for both practical improvement and research in exploring how integrated stakeholder needs could be managed, possibly as process-based IMSs.

This paper sheds light on the ambiguous interpretation of the IMS concept.

The study provides an overview of the Eco-Management and Audit Scheme (EMAS) standard and its potential in helping a company to improve its environmental performance. The work aims to investigate a company's perception towards the implementation of the EMAS environmental management system with the benefits and the critical areas derived from it, the overall assessment of the certification and its possible future developments.

The study develops an empirical analysis of Italian EMAS III certified companies, through the administration of a questionnaire to all those Italian companies that were EMAS certified and that provided a valid e-mail address on the EMAS register. Overall, 231 Italian companies took part in the survey.

The results confirm the heterogeneous effects of an Environmental Management System depending on the company profile and highlight the positive influence of certification on environmental management. It emerges how the EMAS certification is approached more for internal reasons, and therefore gives more internal benefits to companies that implement it. Moreover, the time from which companies have been certified turns out to be a relevant factor for obtaining environmental and organizational benefits connected with EMAS certification.

The recent decrease in EMAS registrations has not been sufficiently studied, leaving unsolved questions for scholars, practitioners and policy-makers. Previous studies used a negativist perspective, identifying the barriers that led to the non-renewal of the certification. The present study aims to focus on the positive factors, which have led still active companies to renew the certification.

The purpose of this study is to focus on Tunisian tannery sector that causes a considerable damage to the environment and consequently leads to serious health problems due to the untreated effluents generated from the various leather processing stages.

This paper discusses a voluntary initiative taken by the top managers of tannery enterprise to prevent pollution and disseminate the concept of eco-industrial activities between employees and stakeholders. In addition, this research assesses the performance of such treatment that characterizes the chemical parameters of generated pollutants. It also aims at optimizing the industrial process for cleaner production. Coagulation–flocculation process is investigated in this study. Moreover, oxidation phase by ozone is taking into account before and after coagulation–flocculation process to measure the effectiveness of the combined method for reducing the main pollutant concentrations.

The unhairing and chrome (Cr) tanning steps are considered the most polluting steps. Therefore, the application of various treatment techniques, including chemical and physicochemical processes, is realized to reduce the toxicity of the effluents. The correlation between experimental and modeling results, using artificial neural network (ANN) method, was investigated in this research. The results of the constructed ANN model are measured by the correlation of experimental and model results during coagulation–flocculation and oxidation stages. The validation of the elaborated model through the error calculation (MSE) and the correlation coefficient (R) confirm the reliability of ANN method.

Eventually, the establishment of ANN model for performance prediction of wastewater parameters is investigated due to different measurements of physical effluent outputs, such as: pH, turbidity, TSS, DS, COD, fat, TSS, S^2- and Cr. This study uses predictive modeling, a machine learning technique to tackle the problem of accurately predicting the behavior of unseen configuration.

This paper aims to identify the most influential barriers for environmental management system (EMS) adoption and determine the interactions of these factors in the context of Chinese textile and apparel industries.

The study has conducted two different research phases, namely, the identification of 13 barriers from the extensive literature available and expert panel discussion and using interpretive structural modeling (ISM) to investigate the complex relationships among these barriers and partition the barriers into a hierarchical structure to facilitate strategic analysis.

The obtained result demonstrates that insufficient information about customer’s demand is the most influential barrier. Furthermore, by analyzing the interrelationships among the barriers, management will become more aware of the barriers’ relative importance and focus on the barriers with stronger influence.

This work may help practitioners, academicians and regulators to focus their efforts toward implementation of EMS on various levels in business, especially for these textile and apparel companies operating in China.

The purpose of this paper is to build upon the conceptual model developed by Feldman et al. (1997) that demonstrated a link between improved environmental performance and increased market value for publicly traded corporations. ISO 14000 standards, not yet established at the time of their study, provide the framework for a strategic approach to environmental management with an emphasis on continuous quality improvement. Consequently, ISO 14000 certification is used as the basis for creating an investment portfolio of publicly traded companies. While previous research has examined short-term stock market reactions to ISO 14000 certification, this study evaluates the longer term impact on shareholder value by comparing the ISO portfolio’s performance against other funds. It adds to the existing literature on the “pay to be green” question.

The successful attainment of ISO 14000 certification is used as the basis for developing a portfolio that is followed over time in order to examine its value to shareholders. The portfolio consists of companies certified between 1996 and 2006, each added to the portfolio the month after its announced ISO 14000 certification date. The study covers the period from October 1996 through April 2011. Average monthly returns and standard deviations for a buy-and-hold strategy over various rolling periods (three, five, seven and ten year) are used to compare the ISO 14000 portfolio against the S&P 500 Index. In addition, the growth of an initial investment of $100,000 is tracked to compare the ISO 14000 portfolio against the S&P 500 Index and three other funds that are socially responsible and/or green (Domini Social Equity Fund (DSEFX), Winslow Green Growth Investment, and iShares KLD 400 Social Index).

The ISO 14000 portfolio outperformed the S&P 500 Index as well as selected socially responsible and/or green funds in the growth of an initial investment over time. It also consistently provided higher average monthly returns (along with higher standard deviations) than the S&P 500 Index when using a buy-and-hold investment strategy over all rolling periods considered. Moreover, monthly returns for the ISO 14000 portfolio were found to be significantly higher, at the 0.05 level, than for those of the S&P 500 Index and the DSEFX.

Companies that attained ISO 14000 certification after 2006 were not included in the portfolio due to the inability to obtain a complete listing after that time. Furthermore, causality cannot be established by analyzing fund performance. Nonetheless, ISO 14000 certification as the basis for creating an investment portfolio appears to be a strategy that pays off in the long term.

This paper fills a gap in the literature by examining longer term market reactions to ISO 14000 certification. The methodology employed has not been used in this context, although it has been used to examine the impact of ISO 9000 certification on stock prices. The findings support the argument that improved environmental performance is valued by the market and may provide long-term value for shareholders.

The present digital era has integrated the conventional telecommunications companies as service providers in this ever-competitive environment. Towards gaining business competitiveness, businesses are operated from the stance of dynamic business model that places focus on both economic activities and, more importantly, value-added benefits. One essential value embedded into business strategies refers to the aspect of sustainability in conjunction to environmental social governance (ESG). Within the context of Malaysia, ESG practices have been expected to grow rapidly in years to come, along with the vision of becoming a digital economy nation, by 2050. The continuous discussions appear to support the significance of implementing ESG practices amidst organizations, which in turn, could enhance a more sustainable economic growth for the country. Although many studies have probed into the dimensions of ESG, little attention has been given to the ESG practices incorporated into business strategy agenda.

This paper combed through the literature to retrieve the multi-dimensions of ESG concepts, as well as related in-depth insights into ESG disclosures amongst leading companies established in Malaysia. As for the research design, this study used the content analysis method and the ESG Grid as the benchmarking tool to explore superior commitments amongst its peers.

As a result, this study stumbled upon two major outcomes: the pattern of ESG disclosures in telecommunications industry and the approaches in implementing ESG practices in telecommunications companies. These two aspects appear essential to establish a competitive advantage, apart from addressing the issues raised by concerned stakeholders.

Future studies may explore deeper into comprehending the ESG practices by using the interview method and incorporating other industry or arena.

The decisions made by the companies to invest in ESG practices mark the ability of a company in devising viable survival strategies within the industry.

Hence, this study offers several vital insights into the practical value to learn from the best experiences, aside from analyzing the current progress of ESG practices within the context of developing nation.