Search Results (13)

In response to the urgent need for environmental education in the world, the Environmental Care with a One Health approach (ECOH) project aimed to promote sustainable environmental practices in educational institutions in Sucre, Bolivia. The ECOH project was implemented in four phases: (1) building alliances with local leaders and communities; (2) identifying practices and perceptions of the environmental situation among the general population and educational units (Online survey); (3) implementing educational interventions; and (4) disseminating educational materials. During the second phase, most of the participants (86%) identified the local environmental situation as poor and waste and solid waste management (SWM) as the main concern (64%). Although 70% of the participants were interested in environmental issues, only 44% practiced waste separation. Considering this, and the feasibility of implementing subsequent actions, educational interventions on SWM were developed in schools, and waste sorting bins were delivered. Educational materials were distributed through social networks, and a mobile app was launched to increase outreach. The project promoted cross-sectoral cooperation, raised awareness, and encouraged active participation in environmental protection focused in academic units. ECOH project demonstrated that participatory educational interventions can effectively address local challenges and promote sustainable practices, contributing to a healthier environment for people and animals. Full article

The reclamation of illegal landfills poses a significant threat to the environment. An example of such a case is Łomianki near Warsaw, where an illegal landfill contained alarming levels of arsenic and chromium, posing a potential risk to the health of local residents due to the possibility of these metals contaminating a nearby drinking water source. Initial geochemical tests revealed high concentrations of these metals, with chromium reaching up to 24,660 mg/kg and arsenic up to 10,350 mg/kg, well above international environmental standards. This study presents effective reclamation strategies that can be used in similar situations worldwide. The reclamation allowed this land to be used for the construction of the M1 shopping center while minimizing environmental hazards. The study is based on a case study of the reclamation of this illegal landfill. The methods used in this project included the relocation of approximately 130,000 m³ of hazardous waste to a nearby site previously used for sand mining. Bentonite mats and geotextiles were used to prevent the migration of contaminants into the groundwater. The waste was layered with sand to assist in the structural stabilization of the site. In addition, proper waste segregation and drainage systems were implemented to manage water and prevent contamination. Eight years after the reclamation, post-remediation soil surveys showed significant improvements in soil quality and structural stability. Specifically, the Proctor Compaction Index (I_S) increased from an estimated 0.5–0.7 (for uncontrolled slope) to 0.98, indicating a high degree of compaction and soil stability, while arsenic and chromium levels were reduced by 98.4% and 98.1%, respectively. Reclamation also significantly reduced permeability and settlement rates, further improving the site’s suitability for construction. The cost-benefit analysis showed a cost saving of 37.7% through local waste relocation compared to off-site disposal, highlighting the economic efficiency and environmental benefits. The main conclusions of this study are that land reclamation effectively reduced environmental hazards; innovative solutions, such as bentonite mats, advanced waste sorting, geotextiles, and drainage systems, improved environmental quality; and the Łomianki case serves as a model for sustainable waste management practices. Full article

As global concerns about climate change intensify, the need for effective strategies to reduce carbon emissions, has never been more urgent. This review paper explores the crucial role of digital technologies (i.e., data automation (DA) and decision support systems (DSSs)) in enhancing decision making and achieving a ZERONET initiative (decarbonation efforts) within the realms of solid waste management (SWM), wastewater treatment (WWT), and contaminated soil remediation (CSR). Specifically, the paper provides (a) an overview of the carbon footprint (CFP) in relation to environmental management (EM) and the role of DA and DSS in decarbonization; (b) case studies in areas of SWM, WWT, and CSR in relation to the use of (i) digital technology; ((ii) life cycle assessment (LCA)-based DSS; and (iii) multi-criteria decision analysis (MCDA)-based DSS; and (c) optimal contractual delivery method-based DSS case studies in EM practices. This review concludes that the adoption of DA and DSSs in SWM, WWT, and CSR holds significant potential for enhancing decision making and decarbonizing EM processes. By optimizing operations, enhancing resource efficiency, and integrating renewable energy sources, smart EM technologies can contribute to a reduction in GHG emissions and the promotion of sustainable EM practices. As the demand for more effective and eco-friendly solutions grows, the role of DA and DSSs will become increasingly pivotal in achieving global decarbonization goals. Full article

Global population growth, industrialization, and urbanization have led to a dramatic increase in solid waste (SW) generation, which is considered a main environmental pollutant via greenhouse gas (GHG) emissions and soil and groundwater contamination. This creates serious problems for the region and the world at large. Currently, about 2 billion tons of SW are generated globally every year, of which 67% is processed by various treatment technologies, while 33% is freely released into the environment. Therefore, there is an urgent need to significantly reduce GHG emissions from global SW production for the maximization of climate benefits and to halt the continued rise in temperature. Fortunately, this can be attained with the use of existing SW processing methods and improved performance. Through a comprehensive literature review, this research evaluates the effectiveness of various SW approaches, including source reduction, recycling, and energy recovery. Additionally, this study examines the potential of emerging technologies and their integration and innovative solutions to enhance solid waste management (SWM) systems and promote decarbonization. The findings highlight the significant environmental and economic benefits of implementing integrated SWM strategies that prioritize waste prevention, material recovery, and energy generation from waste. Furthermore, this study emphasizes the importance of stakeholder engagement, policy interventions, and public awareness campaigns in fostering sustainable waste management practices. By adopting a holistic approach that considers the entire waste management lifecycle, this review provides valuable insights and recommendations for policymakers, waste management authorities, and communities to achieve sustainable waste management and contribute to global decarbonization efforts. Full article

Improper solid waste management (SWM) has resulted in an environmental and epidemiological catastrophe, emphasizing the urgency of SWM due to escalating solid waste generation. Over the past few decades, there has been significant growth in publications studying the relationship between SWM and the environment. Higher education institutes (HEIs) also have a social responsibility to promote public understanding of SWM and to increase awareness among students about SWM. A bibliometric analysis was conducted to provide an overview of research on student awareness of SWM in HEIs over the past 35 years. Data on publication output are identified based on the Scopus database (from 1989 to 2024). A total of 634 articles on SWM awareness and practices among students in HEIs were identified. VOSviewer was used to map the current studies and visualize the current trends in this area. The analysis of keywords used in the publications highlights recurring terms such as “recycling”, “environmental awareness”, and “waste management”, indicating the primary research focus. The results show a significant increase in publications in this area over the last 35 years. China, the US, and the UK emerge as the countries with the highest number of publications with 115, 82, and 44 publications, respectively, where China alone contributed 18.14% of the total publications on the topic, with the Chinese Academy of Sciences and Tsinghua University being the leading institutions in this research field. The results also highlight the top researchers in the field of student awareness of SWM in HEIs. It identifies influential journals in this field, such as Sustainability (MDPI) and the Journal of Cleaner Production (Elsevier). Overall, this study provides valuable insights into the current state of research on student awareness of SWM in HEIs, identifying research hotspots. It serves as a valuable resource for academics and practitioners interested in this area. The findings of the study are intended to guide researchers planning to conduct further research on the issue. Full article

While examining the potential synergies between green supply chain management (GSCM) and sustainable waste management (SWM), we aim to investigate the relationship between sustainable waste management and green supply chain practices to promote a circular economy as a strategy for achieving sustainability. To address a gap in our understanding, this study will examine how GSCM and SWM relate to one another and their effect on CE deployment’s long-term survival. The research utilized a cross-sectional design with a sample size of 50 respondents from manufacturing firms. The companies were selected using purposive sampling based on varying industry sizes and operations. The findings demonstrate considerable positive correlations among GSCM practices, SWM techniques, and CE adoption, making it evident that comprehensive sustainability methods are required. Stakeholder participation, circular business models, and better governmental frameworks to promote circularity are among the many recommendations. By providing empirical evidence for the connections between GSCM, SWM, and CE, this study contributes to the current body of knowledge. It emphasizes the value of all-encompassing sustainability strategies for reaping financial and environmental benefits. Full article

The aim of this study is to conduct a meta-analysis of the research published between 2012 and 2022 on solid waste management (SWM) and the circular economy (CE) using bibliometrics. To this end, the Scopus and Web of Science (WoS) databases were used as sources of publications. Processing was conducted using the R language version 4.2.2 and the Bibliometrix software package version 4.1.2. A theoretical basis was built on the terms in order to present their interactions in the context of scientific debate. The results show that there is a need to create indicators to facilitate the evaluation of SWM. They can be identified from the data collected during the management process. Examples include the volume of material collected, operating costs, and recycling rates. Indicators are important in the waste management process because they help quantify the effectiveness of the management practices adopted, help to identify areas that need improvement, and make it possible to monitor the progress of work over time and the achievement of previously set targets. Two other important results are the maximization of the use of resources by increasing the useful life of the product and the emergence of new sustainable business models with recycling as a driving force. Finally, and perhaps the most disruptive discovery, is the integration of SWM and CE with blockchain technology to reduce the levels of waste production. This shows how new technologies can be used as partners in solving complex problems, such as solid waste (SW). Full article

The increase in global municipal solid waste (MSW) generation, with a significant portion being improperly managed, has resulted in detrimental socio-ecological effects. This paper addresses the challenge of implementing effective waste management practices for achieving sustainability, particularly in urban areas where the majority of global waste is generated. It emphasizes the need for a multidimensional, multiscale, and long-term approach that surpasses local solutions and linear strategies. The approach recognizes the broader impacts of waste management beyond city boundaries and promotes circularity by incorporating waste reduction, reuse, recycling, and proper disposal practices. Through an analysis of the literature on waste from 1992 to 2022, this paper aims to identify the key concepts, propose solutions, and explore sustainable waste management scenarios. This paper introduces the m-SWM4Cities model for sustainable waste management in urban areas, highlighting its methodology and application in Mexico City (mD-SWM4CDMX). The models presented in this paper incorporate essential elements and interactions, providing a comprehensive understanding of the transition to sustainable waste management. The findings highlight the importance of monitoring waste management indicators and offer insights into the waste system of Mexico City. The m-SWM4Cities model can be adapted to address specific city contexts and thus serves as a valuable tool for assessing and improving waste management practices. Full article

Due to rapid urbanization, solid waste management (SWM) is a major challenge in Malaysia, hence the need to sustainably manage it. Compared with other states, Selangor produces the highest volume of domestic waste. Most of the state’s waste is generated in Shah Alam City. This condition is expected to worsen because the population of Shah Alam is projected to rise by 2.5% from 2018 to 2035. This situation will increase the demand for resources, production, and consumption, increasing the volume of waste generated in Shah Alam. Hence, the pressing necessity to advance from the current traditional waste management practices to a more sustainable SWM system has been identified as a key target in Shah Alam’s 2025–2030 plans. The Smart Waste Management System (SWMS) has been identified as a novel approach to dealing with the absence of route optimization, real-time information exchange, and the consequent increase in waste management costs. All of these elements have characterized the current traditional households’ SWM. However, because this method is novel, there is a dearth of knowledge on the appropriate measurement model for evaluating the dimension of households’ intention to recycle waste through source separation as well as measuring the determinants of such a pro-environmental intention under the new SWMS. Thus, confirmatory factor analysis (CFA) was carried out to verify the factorial structure of the variables, relying on the Theory of Planned Behavior (TPB) based on the structural dimensions identified in prior exploratory factor analysis (EFA). The study found support for the use of TPB as a relevant framework for modeling the intention for source separation and its determinants under SWMS. Full article

This paper will explore the university campus community’s perspective towards the realization of a zero-waste campus. A qualitative approach is employed to identify the factors influencing the campus community’s awareness and participation in solid waste management (SWM). Perceptions, attitudes, beliefs, opinions, and ideas of Universiti Sains Malaysia (USM) campus community members are explored in focus group discussions (FGD) to determine the main factors influencing their zero-waste pro-environmental behaviour (PEB). The in-depth interview (IDI) is used to learn more about the university campus community’s perspectives on the themes defined by the FGD. The instruments were developed based on the adaption and adoption of previous studies, especially in reference to Kollmuss and Agyeman’s 2002 Model of Pro-Environmental Behaviour and a modified Knowledge-Attitude-Practices model. The findings show that environmental goals, environmental education, personal waste-related experience, environmental policy, environmental self-awareness, reinforcement contingencies, community engagement, social responsibilities, exemplary leadership, and social media influence the campus community’s zero-waste PEB. A framework based on an adaptation of Kollmuss and Agyeman’s model of pro-environmental behaviour is proposed to promote sustainable pro-environmental behaviour towards a Zero-Waste Campus. Full article

Solid waste management (SWM) in rural areas of many low- and middle-income countries (LMICs) represents a critical and underrated topic. However, almost half of the world’s population still lives in rural areas and an adequate SWM is crucial in reducing environmental and health threats. A lack of knowledge and appropriate tools often leads to inappropriate practices such as waste dumping and uncontrolled burning. However, appropriate methods can transform waste into resources and even guarantee a revenue source. This manuscript provides an overview of the state of the knowledge characterising SWM in rural communities of LMICs, analysing common practices and principal issues. Different solid waste fractions are considered. Virtuous approaches are presented, taking into account recent sustainable solutions. Considering that a relevant part of the world population is still living in rural areas, the benefits associated with an appropriate SWM may be enormous. Such activities may improve local conditions from social, environmental and health perspectives; furthermore, they may have a global impact on facing climate change and environmental pollution. Full article

Solid waste management (SWM) is one of the key responsibilities of city administrators and one of the effective proxies for good governance. Effective SWM mitigates adverse health and environmental impacts, conserves resources, and improves the livability of cities. However, unsustainable SWM practices, exacerbated by rapid urbanization and financial and institutional limitations, negatively impact public health and environmental sustainability. This review article assesses the human and environmental health impacts of SWM practices in the Global South cities that are the future of global urbanization. The study employs desktop research methodology based on in-depth analysis of secondary data and literature, including official documents and published articles. It finds that the commonplace SWM practices include mixing household and commercial garbage with hazardous waste during storage and handling. While waste storage is largely in old or poorly managed facilities such as storage containers, the transportation system is often deficient and informal. The disposal methods are predominantly via uncontrolled dumping, open-air incinerators, and landfills. The negative impacts of such practices include air and water pollution, land degradation, emissions of methane and hazardous leachate, and climate change. These impacts impose significant environmental and public health costs on residents with marginalized social groups mostly affected. The paper concludes with recommendations for mitigating the public and environmental health risks associated with the existing SWM practices in the Global South. Full article

Solid Waste Management (SWM) is a multifaceted problem comprising political, socioeconomic, institutional, and environmental aspects. Due to exponential urban growth, it has become one of the most significant issues faced by urban spaces in developing countries. The gap in environmental knowledge among the youth and the old within developing countries contribute to ecological issues or waste management problems, resulting in unsustainable development, with important consequences in low-income countries. For that matter, a systematic review was conducted aiming to identify and analyse environmental knowledge, awareness, attitudes, and practice studies on SWM from 2010 to 2019 in developing countries. The evidence suggests that students at both secondary and tertiary levels have positive environmental attitudes, and high awareness of environmental issues, but there is a lack of practical education of teachers to guide students to put SWM into practice. Student’s low environmental knowledge is related to a deficiency in teachers’ practical experience in SWM for environmental sustainability. A relationship between teachers’ and students’ knowledge and attitudes towards SWM, as well as differences in awareness, attitude, and practices of SWM linked with education and age, were also found. This review also revealed that the lack of environmental education in most developing countries is caused by fragilities in practical environmental curricula of teachers to respond to modern-day environmental issues for sustainable development and cleaner production (CP). To bridge the knowledge gap between the youth and older people in SWM, environmental sustainability education should be integrated into schools at all levels within developing countries. Full article