Questioning biodiversity and sustainability management practices: Time for a change in thinking?

Bioengineering textiles across scales for a sustainable circular economy

Soybean being rainfed crop encounters various problems associated with climate change. Flood, poor distribution of rainfall, dry spell at critical stage during cropping season, pest and disease incidence, imbalance nutrient application and soil degradation resulted stagnation in country soybean productivity (<1.0 tones ha-1). Therefore, adaption of climate smart sustainable management practices could be viable options. The development of crop specific sustainable management practices under changing climate is continuous process. Hence, effort has made to describe some of the sustainable management (conservation agriculture, integrated crop management, organic farming and natural farming) practices in rainfed soybean to enhance productivity, restore soil fertility and farm profitability under changing climate.

As global industrial waste demands rise alongside increasing water scarcity, it becomes imperative to adopt circular economy principles within industrial water management. Traditional linear models of resource use have become unsustainable, demanding systemic transitions toward circular, closed-loop approaches. This paper explores the intersection of circular economy education and industrial water uses by examining how circular economy education and practices can transform industrial water use and improve sustainability outcome. Through case studies and best practices, this research illustrates successful implementations of circular water economy principles, demonstrates the implementation of closed-loop water systems, cascading reuse and zero liquid discharge technologies can reduce freshwater intake in industrial applications and emphasises the role of public-private partnerships in promoting water reuse projects. The paper also addresses the challenges and barriers to implementation, focusing on regulatory issues, resource limitations, and gaps in awareness. It concludes by proposing future directions for integrating circular economy principles into industrial water management and offers policy recommendations to foster circular water economy education. Hence, it contributes qualitative analysis to the growing body of knowledge on sustainable water management practices and provides valuable insights for policymakers and industry professionals seeking to advance circular economy approaches in industrial water use.

This book chapter provides an insight into the synthesis of climate change vulnerabilities across various regions of the globe, recent trends, issues and prospects of climate smart agribusiness, the skill, efficiency and sustainable management practices of small and medium enterprises (SMEs) of the globe in the context of climate change, addressing the needs of emerging markets, industries and regional trades through a transformation with development in the areas of technology, value chains, management of environmental and social risk in the supply chains, compliance of food quality and safety regulations, market linkages of smallholders, corporate social responsibility and institutional development. There is a growing concern on food safety regulation and certification as part of sustainable management practices that firms and industries should cope. Sustainable management practices in business prove to be more profitable as they tend to adapt and grow with the changing markets, providing a competitive advantage over other firms. This chapter also focused on the challenges in sustainable business practices as well as suggested a number of development options, institutional and policy issues.

Objectives: To explore the challenges of balancing economic, social, and environmental needs in sustainable water management. To examine innovative solutions for conserving water, ensuring its equitable distribution, and building resilience against climate change. To investigate the role of policy interventions, community engagement, and technological advancements (e.g., AI, smart water monitoring) in achieving water security. To review key strategies and case studies related to sustainable water management practices and their effectiveness. Methods: Analyzing key case studies and strategies in water sustainability across different regions. Studying approaches such as Integrated Water Resource Management (IWRM), BlueGreen Infrastructure, Sponge Cities, and water reuse technologies. Reviewing the potential roles of policy, technology, and community involvement in improving water resource management. Results: The research identifies successful strategies and best practices for water sustainability, including IWRM, BlueGreen Infrastructure, Sponge Cities, and water reuse technologies. Technological advancements like AI and smart water monitoring systems play a significant role in improving water management. The study highlights the importance of governance, public-private partnerships, and nature-based solutions to address water scarcity and climate change. Conclusion: Achieving long-term water resource sustainability requires an integrated approach that combines innovative technologies, efficient governance, and nature-based solutions. The study emphasizes the role of policy interventions, community engagement, and collaboration between the public and private sectors in ensuring water security. The findings indicate that addressing water scarcity and climate change requires collaborative efforts and sustainable management practices that are resilient and adaptable.

In the face of escalating water scarcity and environmental degradation, the imperative for sustainable water management has never been more urgent. Chemical engineering emerges as a pivotal discipline in the pursuit of solutions to these pressing challenges. This review explores the role of chemical engineering in advancing the circular water economy paradigm through simulations aimed at fostering sustainable water management within environmental systems. The circular water economy concept advocates for the efficient utilization, recycling, and reclamation of water resources to minimize waste and maximize resource efficiency. Chemical engineering techniques play a fundamental role in realizing this vision through the design and optimization of water treatment processes, resource recovery systems, and advanced simulation methodologies. This review delves into the application of computational simulations within the realm of chemical engineering to model and analyze various aspects of the water cycle. Such simulations enable the assessment of complex environmental systems, aiding in the identification of optimal strategies for water resource allocation, pollution control, and ecosystem preservation. Key areas of focus include the simulation of wastewater treatment processes, such as biological, physical, and chemical treatment methods, to enhance pollutant removal efficiency and promote water reuse. Furthermore, advanced modeling techniques facilitate the evaluation of innovative technologies like membrane filtration, adsorption, and electrochemical processes for the purification and desalination of water resources. Moreover, chemical engineering simulations enable the assessment of integrated water management strategies, encompassing aspects of urban water systems, industrial processes, and agricultural practices. By considering the interconnectedness of various sectors, holistic approaches to water resource management can be formulated, promoting resilience and sustainability in the face of changing environmental conditions. The integration of chemical engineering simulations into the framework of the circular water economy offers a promising avenue for advancing sustainable water management practices. Through comprehensive modeling and analysis, informed decision-making can pave the way towards a more resilient and equitable water future, ensuring the long-term viability of our environmental systems.

Living in a society where plastic has become a necessity, the over-reliance on these materials is quite disturbing as they have social and economic effects, especially in waste disposal and resource management. Such issues have introduced the circular plastics economy (CPE), which aims to eliminate plastic waste by focusing on reducing, recycling, and reusing (3R) and designing biodegradable plastic products. Owing to these facts, a systematic literature review (SLR) was conducted to analyze the existing literature on circular economy principles and plastic waste management systems in terms of 3R initiatives. Also, this study showcases the CPE by investigating how it is possible to manage plastic within a circular economy instead of a linear system. Additionally, system dynamics modeling (SDM) was applied to examine the inter-relationships between key elements such as plastic production, waste generation, recycling rates, and regulatory actions, along with the cognizance phase of waste diversion and advanced sorting technology to minimize landfill dependency and environmental pollution initiatives, including producer responsibility programs and zero-landfill targets. This study accumulated that zero waste strategies, such as plastic circularity, national waste management, and high-quality recycling, have achieved recycling rates ranging from 30% to 81% across various countries, significantly reducing plastic waste and enhancing resource efficiency. However, the added strategies in countries that are related to policy-driven initiatives can prospectively be useful for increasing recycling capacity to eliminate plastic waste in landfills, promoting a circular economy and sustainable waste management practices. This study also involved the critical stakeholders of the CPE who will make the utilization of plastic waste a reality. Ultimately, this research contributes to the fast-growing knowledge base on plastic waste management by presenting an interdisciplinary framework based on model synthesis and mathematical modeling, which is crucial for decision-makers, industries, and researchers.

An abundance of soil organic carbon (SOC) generally enhances the quality of lands for agriculture or forestry. Concentration of SOC varies in accordance to the type of land use, the inputs to the soil, and natural factors including climate and vegetation. SOC is vital for sustaining agricultural productivity which chiefly depends on both the inherent soil type and crop management practices affecting depletion or replenishment of organic matter over the years. Assessment of SOC concentration is a characteristic measurement of evaluating soil quality and the carbon sequestration potential of agricultural land. This study aims to assess SOC distribution on selected farmlands of Nepal’s mid-hills, where farmers have adopted sustainable soil management practices in non-irrigable hill terraces (“Bari” land) in comparison with those of surrounding Bari and forests where no such interventions are made. Thus the present study estimated SOC content of three types of land use – farmland with sustainable soil management practices (SSMP), farmland without sustainable management practices (Non-SSMP) and the community managed forest in four mountain districts of Nepal, namely Baglung, Dhading, Kavre and Okhaldhunga. This study found the average SOC stocks in the SSMP land in the range of 20 - 44 Mgha-1,those in non-SSMP agricultural areas 15 to 48 Mgha-1, and in the forested land 16 to 23 Mgha-1. In general, the abundance of SOC stocks are in the order of SSM>Non-SSM>Forests. The analysis indicates the high potential for carbon sequestration in hill agriculture lands through sustainable soil management. Nepal Journal of Science and Technology Vol. 13, No. 1 (2012) 133-141 DOI: http://dx.doi.org/10.3126/njst.v13i1.7452

The study explores the impact of ecological supply chain management practices such as Green Supply Chain, environmental and operational management practices of organizational performance in Ghana. The organizational performance was measured based upon three parameters constituting Sustainable Environmental Performance (SENP), Sustainable Economic Performance (SECP), and Competitiveness (COMP). Exogenous factors included the constructs of Sustainable Supply Chain Management (SSCM) practices and the single-item construct voluntary adoption of SSCM practices, while endogenous variables included the three aspects of firm performance. The relationship between sustainable management practices and organizational performance was ascertained using Structural Equation Modeling. A few significant results are presented as follows; (1) Environmental Management Practices (EMP) results in enhanced Sustainable Environmental Performance (SENP) and Sustainable Economic Performance (SECP); (2) Organizational Performance has a strong correlation with SECP and COMP; (3) SECP has a substantial and favorable relationship with both competitiveness and sustainable environmental performance, as well as sustainable economic performance. The positive relationship between SSCM practices and firm performance demonstrates that continual sustainable management principles eventually improve community capacity. This ultimately results in an organization’s competitiveness. Additionally, the managerial implications of the results are addressed.

Earth as a planet has limited natural resources and current levels of extraction and consumption are not sustainable. The organizational model for the production of goods and services in society is predominantly linear: resources are extracted, passed through the production process, used by society, and then discarded, ignoring external effects. While the linear economy was very successful in creating material wealth in industrialized countries until the 20th century, it has proven to be unsustainable in the new millennium, as such an approach depletes natural resources, piles up waste, contributes to climate change, and increases other forms of pollution and environmental degradation. environment. In contrast to the conventional linear economic model, where resources are extracted, used and discarded, the concept of circular (circular) economy is increasingly developing in the world, conceived as an ideal and instrumental model of development determined by the responsible and cyclical use of resources, in order to maintain their value in the economy, minimized the pressures on the environment and contributed to the improvement of socio-economic well-being. The collection of concepts that make up the circular economy enables the reduction of waste by incorporating the reuse of goods components by design through closed loop and cascade approaches, increasing the resilience of the economic system, preserving the environment, meeting the growing demands of an increasingly populated planet and increasing the operability and profitability of production. The application of circular economy principles brings cleaner air through the application of measures to reduce air pollution, encouraging the use of renewable energy sources and energy efficiency; cleaner water through the implementation of measures to prevent water pollution; regulated waste management system; addressing climate change and a number of other measures that ultimately bring a positive impact on people's health and the preservation of resources for future generations. Eco-innovations are one of the key tools for the transition from a linear to a circular economy and the fight against climate change. The circular economy reduces the pressure on natural resources, and is a prerequisite for achieving the goal of climate neutrality by 2050 and stopping the loss of biological diversity. Implementation of CE worldwide appears to be still in its early stages, mostly focused on recycling rather than reuse. Evidence suggests that CE has numerous advantages as it represents a unique policy strategy for avoiding resource depletion, energy conservation, waste reduction, land management and integrated water resources management. The transition to a system based on a circular economy represents an advantage not only for the market, by stimulating competitiveness and innovation, but also for the environment, reducing resource dependence and waste problems. On the other hand, challenges include lack of clear, standardized quantitative measurements and targets, data quality, lack of advanced technology, weak law enforcement, weak economic incentives, poor governance and lack of public awareness. The advantages are undeniable, and such innovative models lead to a reduction of dependence on raw materials by strengthening the relationship between the company and its customers, offering products with a high degree of customization, the emergence of a participatory economy based on digital technologies, etc. Despite widespread recognition of its benefits, implementation has been slow. Attempts tend to focus on short-term, immediately feasible actions rather than transformative, structural changes. The category of highly circular strategies targets processes such as the creation, design and development of products or services and involves significant investment in research, development and innovation. The lesson learned from successful experiences is that the transition to CE comes from the involvement of all actors of society and their capacity to connect and create appropriate patterns of cooperation and exchange. Previous research shows that the transition to a circular economy represents a systemic shift that contributes to the long-term resilience of society and local communities to climate change and economic shocks, creates business opportunities and jobs, and has lasting positive effects on the environment and society. The government should play a leading role in drawing up a macro-development plan, raising public awareness of the circular economy, establishing a system of laws and regulations, encouraging key industries, investing capital and providing technical support for the development of the circular economy. The circular economy research field still has a long way to go to create positive global, political, economic, scientific, social and environmental impacts. There is a need for studies in different sub-fields to highlight potential impacts in the present and future, as well as research to find ways to accelerate the economic transition towards a circular economy.

Knowledge sharing and adoption behaviour: An imperative to promote sustainable soil use and management

Chapter 5 - Mapping the soil organic carbon sequestration potential of Greek agricultural soils

Transitioning to a circular economy is inevitable in well-developed and developing economies. Biowaste valorization into value-added products has shown a promising sustainable solution compared to its fossil-based counterparts. However, it has yet to be scientifically analyzed to what extent geopolitical conditions affect the environmental sustainability of the circular economy. To fill this gap, we conducted a consequential life cycle assessment of biorefining biowaste into lactic acid and bioenergy in Denmark and Iran as representative examples of developed and developing economies, respectively. Despite the notable environmental impacts associated with fossil-based energy consumption and infrastructural limitations, Iran could benefit more environmentally from the suggested biorefinery by 2030 than Denmark. This contrast arises from the fact that the existing dominant waste management solution in Iran consists of sanitized and unsanitized landfills, which appear likely to continue through 2030. Therefore, any alternative waste management scenario would help avoid the environmental impacts arising from landfills. In contrast, Denmark already has a well-established and sustainable waste management practice for biowaste, namely anaerobic digestion. Accordingly, the environmental impacts of the investigated scenarios in Denmark were, on average, 85 %, 855 %, 177 %, and 130 % higher than those in Iran regarding resource scarcity, ecosystem quality, human health, and climate change, respectively. In both countries, incineration, the culture medium, ion exchange, vacuum distillation, transportation, emissions from digestate applications on farmlands, and the inorganic waste landfilling process (only applied to IR scenarios) contributed most to the overall environmental impacts. Besides impacts arising from geopolitical conditions, our study revealed that abiotic augmentation and P. acidilactici bioaugmentation demonstrated superior environmental performance compared to other methods. The results also highlight the importance of international collaboration to implement circular economy approaches in developing countries and accelerating global environmental mitigation efforts. To comprehensively evaluate the environmental sustainability of circular bioeconomy, it is recommended to examine scenarios aligned with socio-economic pathways and various representative concentration pathways.

The increasing global population and rapid urbanization have escalated the generation of waste, posing significant environmental challenges. In response, the adoption of sustainable waste management practices and the promotion of circular economy principles have gained momentum as effective strategies to mitigate environmental impacts and harness economic benefits. This review examines the current state of waste management, focusing on the integration of circular economy principles to create a more sustainable and resilient system. The review begins by exploring contemporary waste management practices, emphasizing the challenges posed by escalating waste volumes, inadequate infrastructure, and the environmental repercussions of traditional disposal methods. It then delves into the concept of the circular economy, elucidating its core principles of reduce, reuse, recycle, and recover. The integration of these principles into waste management strategies is discussed as a transformative approach to minimize resource depletion, energy consumption, and environmental pollution. Furthermore, the economic benefits associated with the adoption of circular economy practices are critically analyzed. The review explores how the shift towards circularity can stimulate innovation, create new business models, and generate employment opportunities. It also highlights the potential for cost savings through resource efficiency, reduced waste disposal expenses, and the creation of secondary markets for recycled materials. Case studies and exemplary initiatives from various sectors and regions are examined to provide insights into successful implementations of sustainable waste management and circular economy practices. The review concludes by outlining key policy implications, emphasizing the importance of regulatory frameworks that incentivize circular practices and foster collaboration between stakeholders. This comprehensive review contributes to the understanding of the interplay between waste management and circular economy principles, offering valuable insights for policymakers, businesses, and researchers seeking to create a more sustainable and economically viable approach to waste management in the face of global environmental challenges.

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