This review examines the critical role of meteorological data in optimising flight trajectories and enhancing operational efficiency in aviation. Weather conditions directly influence fuel consumption, delays and safety, making their integration into flight planning increasingly vital. Understanding these dynamics becomes essential for risk mitigation as climate change drives more frequent and severe weather events. Synthesising insights from 57 studies published between 2001 and 2024, this article highlights key variables – such as wind, temperature and convective weather – significantly impacting flight operations. A framework is proposed to improve air traffic management’s safety, efficiency and cost-effectiveness. The findings emphasise the need for systematically incorporating meteorological inputs into trajectory optimisation models, such as wind shear, convective storms and temperature gradients. This integration improves operational predictability and safety while advancing sustainability goals by reducing fuel consumption and CO2 emissions – an increasingly important priority amid rising climate variability and global air traffic demand.

This article explores how water conditions in geographical contexts could influence the construction of teachers’ professional identities and, consequently, their knowledge and beliefs about water sustainability. Water sustainability is defined as the responsible management of water from a perspective that integrates environmental, social and economic sustainability principles. This quantitative study employed an ad hoc questionnaire, inspired by the New Water Culture principles as a conceptual sustainability framework. The instrument, designed with Google Forms, was administered to 221 secondary school teachers from two cities with contrasting water and cultural conditions: Bogotá (Colombia) and Melilla (Spain). Results indicate that teachers’ knowledge and beliefs in both cities are not aligned with water sustainability principles, with no significant differences between the two groups due to their different water conditions. However, there are partial differences related to the respective personal experiences: in Bogotá, teachers show greater concern for water quality, whereas in Melilla the focus is more on the quantity available. These findings underline the importance of promoting teachers’ professional development in water sustainability aligned with professional identities, as a key strategy for nurturing aware and engaged citizens. This approach is fundamental to tackle water stress challenges and foster a paradigm shift towards more responsible, sustainable lifestyles globally.

Sustainability is one of the most important topics of our time and will continue to stay relevant, as mitigating the effects of global warming will stay a challenge for decades to come. Therefore it is of high importance to teach children the concepts of sustainability and how their actions can affect the climate. We design an experiment for an open day at our university consisting out of a physical and digital demonstrator that aims to teach the consequences of material choice in a product to children aged six and above. To achieve this, a simple carbon footprint calculation for a rocket is conceptualized. The users can manipulate several interacting parameters, creating a complex challenge. The complex topic of sustainability is augmented with gamification elements to provide a level of motivation and interaction and achieve a better accessibility.

To enable a circular economy, remanufacturing is considered a key strategy due to the high level of value retention. However, for short-cycled products, the accelerated obsolescence of conventionally remanufactured products on the secondary market poses challenges to leverage the potential. Cross-Generational Remanufacturing (CG-Reman) has been developed as a new concept in response, which aims to restore used products into the latest generation for sale on the primary market. For its practical success, it is critical to support product engineers in designing products suitably. Hence, in this paper we further explore the overall CG-Reman process with a lifecycle description, derive requirements for the product’s design and conduct a systematic literature review of 209 sources targeting selection, clustering and matching of Design-for-X (DfX) guidelines with the needs for CG-Reman.

Additive manufacturing is enabling on-demand fabrication of desirable polymer designs. Due to the technology’s widespread use, there is a need to ensure sustainable design approaches are practiced. Here, thermoplastics for fused deposition modeling is reviewed for life-cycle stages, mechanical properties, and design strategies. Life-cycle stages assessed include formulation, processing, applications, and end-of-life as well as recycling processes. Mechanical properties are considered for recyclable thermoplastics, with fillers to enhance functionality. Finally, design methods are considered to create mechanically efficient designs, such as metamaterials, that reduce material usage and processing time. The review highlights the great potential for creating sustainable designs with additively manufactured polymers, and their mechanical capabilities for broad applications.

The Sustainable Product Development (SPD) module bridges sustainability concepts into higher education, equipping Master’s students with theoretical knowledge, practical skills, and critical thinking to address sustainability challenges. Combining lectures with hands-on exercises and a flipped classroom, it engages students with tools like Life Cycle Assessment (LCA) and Material Flow Analysis (MFA) to apply sustainability principles in real-world scenarios. Topics such as circular economy, sustainable business models, and ecolabels provide a comprehensive understanding of sustainability across the product lifecycle. The course progresses from foundational principles to advanced applications, linking theory and practice. This prepares students to assess environmental impacts, develop sustainable solutions, and balance competing requirements, meeting industry and societal needs.

This paper presents a systematic literature review to figure out challenges of integration of used components into new product generations. Reuse of components is an essential strategy of circularity and is becoming highly relevant as resources are limited and sustainability requirements have to be meet across industries. The reuse process was examined from a constructive perspective. It was found that the reuse process is not uniformly defined and that there is a divergent understanding of it. This divergent understanding continues through the Reuse process steps and the added value of using Reuse. Various technical challenges of reuse were identified. These challenges were translated into requirements that are intended to enable reuse for used components. An initial concept for solving the design problem of integrating used components is proposed with the help of these requirements.

This study discusses the production of Eco-friendly mask using mushroom-based pulps through physicochemical treatment of mushrooms. Ultimately, it explores an approach to reduce the usage of petrochemical materials. Through the treatment of fruiting bodies from two mushroom species, Pleurotus ostreatus (Oyster mushroom) and Flammulina velutipes (Enoki mushroom), pulp was produced. Then, it was used in wet-laid sheet processing to fabricate both pure MBP sheets and composites blended with cotton. The manufactured textile was subjected to various property analyses, including antibacterial test and was also used to produce a mask prototype. In conclusion, although improvements in breathability are currently needed for practical application, the potential for further research is vast and promising. This study contributes to the advancement of sustainable, biodegradable materials as a solution to environmental challenges posed by the widespread use of synthetic polymers.

The circular economy has long been regarded as a fundamental strategy for achieving sustainable development. Most recently, it has also been acknowledged as an effective approach to crisis response. This study contributes to this nascent literature by introducing a dual hierarchy of 6Rs strategies as an inspiring framework for circular post-disaster recovery and reconstruction, supporting the “Build Back Better” principle through circular initiatives. The key distinction between the proposed hierarchy and the traditional 6Rs framework lies in the two-vector operationalization of each strategy, addressing both past and future considerations. Also, this article examines the case of war-torn Ukraine as one of the most severe man-made disasters. The study explores Ukraine’s potential for circular recovery within the framework of European Union policies in the construction sector.

Sustainability is no longer just a trend for companies, but is now seen as a mandatory measure for the environmentally friendly and responsible use of existing resources. The Digital Product Passport (DPP) is a transformative tool that aims to increase transparency and promote sustainability throughout the product lifecycle. This paper presents the 150% Information List, a comprehensive framework to help companies identify mandatory and optional data for the DPP. Using a systematic literature review, grey literature analysis and interviews with industry stakeholders, the study compiles 148 data points grouped by product relevance, availability and life cycle phase. The findings highlight the flexibility of the list to adapt to different industries and underline its potential to optimise resource use, meet regulatory requirements and drive innovation in product development.

The transition to renewable energy and the urgent need to reduce greenhouse gas emissions highlight green hydrogen’s role in decarbonizing various sectors. To address the increasing demand, the research initiative H2Giga FertiRob focuses on automating the production of hydrogen electrolyzers, emphasizing PEM stack assembly. Existing stack designs are often incompatible with automation and hinder scalable production. This paper introduces an adapted Design for Automation approach for PEM stacks. Through the evaluation of a reference stack, key design limitations are identified, leading to the development of an optimized stack with reduced part diversity, improved handling, and enhanced automation compatibility. The methodology provides a systematic framework to advance the automated production of PEM stacks, supporting the scalability of green hydrogen in the global energy transition.