This research project explores opportunities for sustainable design in New Zealand. Recently a new framework for sustainable design was proposed by environmental chemist Michael Braungart and architect William McDonough who suggest that the current paradigm of cradle to grave product development is unable to provide a solution to the world’s current ecological crisis, and a “cradle to cradle” framework is more appropriate. They suggest that their approach, based on examples from nature, ensures that all human activities have a positive ecological footprint, capable of replenishing and regenerating natural systems, as well as guaranteeing that we are able to develop a world that is culturally and ecologically diverse. A group of New Zealand scientists was asked to evaluate the Cradle to Cradle design framework in an attempt to determine the potential of this, or other sustainable approaches, to design New Zealand products. The key findings from these interviews are described and were utilised to propose a new sustainable design framework – “design for ecosystem function”. In design for ecosystem function, biodiversity is placed central to the design decision-making process, alongside human user needs. This framework was then used to help explore the relationship between science and design, while developing three new, innovative and ecologically beneficial products. The three products, or ecological interventions, represent a design response to a range of ecological problems. They include a toy to help children reconnect with nature in urban ecosystems, a trap to assist lizard monitoring and conservation, and a shelter designed to enhance tree survival, and the colonisation of biodiversity in native forest restoration plantings.

This research project explores opportunities for sustainable design in New Zealand. Recently a new framework for sustainable design was proposed by environmental chemist Michael Braungart and architect William McDonough who suggest that the current paradigm of cradle to grave product development is unable to provide a solution to the world’s current ecological crisis, and a “cradle to cradle” framework is more appropriate. They suggest that their approach, based on examples from nature, ensures that all human activities have a positive ecological footprint, capable of replenishing and regenerating natural systems, as well as guaranteeing that we are able to develop a world that is culturally and ecologically diverse. A group of New Zealand scientists was asked to evaluate the Cradle to Cradle design framework in an attempt to determine the potential of this, or other sustainable approaches, to design New Zealand products. The key findings from these interviews are described and were utilised to propose a new sustainable design framework – “design for ecosystem function”. In design for ecosystem function, biodiversity is placed central to the design decision-making process, alongside human user needs. This framework was then used to help explore the relationship between science and design, while developing three new, innovative and ecologically beneficial products. The three products, or ecological interventions, represent a design response to a range of ecological problems. They include a toy to help children reconnect with nature in urban ecosystems, a trap to assist lizard monitoring and conservation, and a shelter designed to enhance tree survival, and the colonisation of biodiversity in native forest restoration plantings.

Consideration of sustainability in product and industrial design courses is becoming more common and relevant within higher education in the UK. However little is known about how widespread the teaching is and what is actually understood as sustainable design with discrepancies in the definitions used in different institutions. Literature highlights that many universities now engage with the tangible environmental aspects of sustainable design, whilst the intangible social aspects are left unaddressed. This thesis explores methods for encouraging and enabling students to address the social aspects within sustainable product design (SPD) education. The first research stage presents the results of a nationwide survey, which investigated how widely SPD is taught, which social aspects are addressed, how SPD is taught and assessed and the attitudes and awareness of it amongst academics. The second research stage presents further research into best practice in SPD through detailed interviews with leading academics in the field. A third research stage built upon the findings from both these studies, and sought to address a perceived weakness in SPD education; the lack of understanding and consideration of the social aspects in sustainable product design in teaching and project outcomes. Three Rethinking Design workshops were developed and tested at five universities in the UK and Ireland. These workshops were designed to introduce students to the wider social aspects of SPD, through the use of audio visual group based workshops. The design of the workshops enabled a learning environment where a deep understanding of the social aspects of Sustainable Product Design could be developed through; group work, discussion and critical reflection, which led to students exploring design thinking responses, suggesting that deep learning, had occurred.

Sustainable design is often practiced and assessed through the consideration of three essential areas: economic sustainability, environmental sustainability, and social sustainability. For even the simplest of products, the complexities of these three areas and their trade-offs cause decision making transparency to be lost in most practical situations. Additionally, the models and tools available to consider social sustainability are severely underdeveloped. This thesis is separated into three parts: 1) a design tool to consider all three aspects of sustainability simultaneously, 2) a literature survey to characterize social impact as it relates to products, and 3) interviews with engineering professionals regarding how social impact is currently considered in product design in industry.The existing field of multi-objective optimization offers a natural framework to define and explore a given design space. In chapter 2 of this thesis, a method for defining a products sustainability space (defined by economic, environmental, and social sustainability objectives) is outlined and used to explore the trade-offs within the space, thus offering both the design team and the decision makers a means of better understanding the sustainability trade-offs. This chapter concludes that sustainable product development can indeed benefit from trade-off characterization using multi-objective optimization techniques “ even when using only basic models of sustainability. Interestingly, the unique characteristics of the three essential sustainable development areas lead to an alternative view of some traditional multiobjective optimization concepts, such as weak Pareto optimality. The sustainable redesign of a machine to drill boreholes for water wells is presented as a practical example for method demonstration and discussion. In these efforts it became apparent that the tools for considering social impact were lacking and needed to be further developed.While efforts have been made to identify social impacts, academics, and practitioners still disagree on which phenomena should be included, and few have focused on the impacts of products specifically compared with programs, policies, or other projects. The primary contribution of chapter 3 of this thesis is to integrate scholarship from a wide array of social science and engineering disciplines that categorizes the social phenomena that are affected by products. Specifically, we identify social impacts and processes including population change, family, gender, education, stratification, employment, health and well-being, human rights, networks and communication, conflict and crime, and cultural identity/heritage. These categories are important because they can be used to inform academics and practitioners alike who are interested in creating products that generate positive social benefits for users.Though academic research for identifying and considering the social impact of products is emerging, additional insights can be gained from engineers who design products every day. Chapter 4 explores current practices in industry used by design engineers to consider the social impact of products. 46 individuals from 34 different companies were interviewed to discover what disconnects exist between academia and industry when considering a products social impact. These interviews were also used to discover how social impact might be considered in a design setting moving forward. This is not a study to find the state of the art, but considers the average engineering professionals work to design products in various industries. Social impact assessments (SIA) and social life cycle assessments (SLCA) are two of the most common processes discussed in the literature to evaluate social impact, both generally and in products. Interestingly, these processes did not arise in any discussion in interviews despite respondents affirming that they do consider social impact in product design. Processes used to predict social impact, rather than simply evaluate, were discussed by the respondents and tended to be developed within the company and often related to industry imposed government regulations.The combined work reported in this thesis is a significant step forward in being able to handle the unwieldy nature of social impact in product design in the larger context of sustainability. Not only do these efforts provide a basis upon which future tools can be developed, they are also immediately useful in providing a basic framework upon which to consider the full spectrum of social impact of products during design.

Sustainable product design is a challenge that must be met by industrial designers. Over the history of the discipline there are numerous occasions where industrial design has contributed to the pollution and degradation of the environment, and at this time they must take the responsibility of educating and encouraging both consumers and business to move to more sustainable consumption and production cycles. This thesis investigates communication of sustainable product attributes through product semantics. The goal of converging these two fields is to make sustainable products more visible in the marketplace and to educate and capture the interest of consumers. The research investigates various consumer product categories and how consumers react to them, with specific emphasis on the products' sustainable qualities. The end result of the research effort is a set of general guidelines for the sustainable designer to use in their design efforts.

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The increasing impact of mass production and consumption behaviours have made sustainable product design an important issue in design literature in the last two decades. Studies in the early period focussed on research projects carried out in collaboration with multinational large-sized enterprises, owing to pressures from non-governmental organizations. However, recent studies about sustainable development have pointed out that small and medium-sized enterprises (SMEs) rather than multinationals have a greater share of manufacturing and employment in both industrialized and industrializing countries. Unfortunately, in spite of the important role of SMEs, there is inadequate data and literature relating sustainable design practices to these firms. A lack of information and collaboration, caused partially by communication problems, has resulted in an absence of proper sustainable product design tools for these companies. Furniture enterprises in Ankara are the focus of this study because of the impact of product design in market possibilities and the spread of employment of product designers in the sector. Attitudes of staff and consultants of furniture SMEs regarding barriers and opportunities of sustainable product design are explored, and contrasted with overlapping points of existing product development methods and strategies in the literature. This work is intended to contribute to improved understanding and application of sustainable product design among furniture sector SMEs. To this end, interviews were conducted with 16 furniture manufacturing enterprises from the furniture industry, based in Ankara region and 5 freelance furniture designers cooperating with these enterprises. According to the results of the study, furniture sector SMEs are interested more in economic opportunities of sustainable product design rather than environmental and social aspects. Furthermore, a lack of information about environmental issues is observed in micro and small-sized enterprises / to overcome this situation, it is recommended that training sessions are organized to bring together researchers and practitioners.

Production and consumption of products contribute to the global sustainability challenge by degrading natural and social systems. This thesis focuses on branded products, which through powerful images and meanings symbolise the core business of a company and a platform of identification for its stakeholders. This study investigates the possibility to align a brand and its company with sustainability. With the help of a small branded design company in Berlin, which served as case study, a strategic management planning process was conducted and action research was used to be able to engage the participants in creating movement towards sustainability. The research shows that there are major internal and external barriers and motivations that can either hinder or inspire. The actions and approaches that were identified for a branded design company represent possible means to transform its business towards sustainability. Natural resources are decreasing relative to the growth in human population and affluence. This fuels the need to develop more sustainable products so that human needs and natural eco-systems can thrive. A branded design company has the ability to help lead society through innovating products, services, and activities towards a sustainable future.

The attention to sustainability impacts arising during the lifecycle of products is growing as industry wants to increase its contribution to a sustainable society. To do so, companies must find ways to navigate the complexity of the needs within the socio-ecological system in which they operate. In engineering design projects, the interpretation of needs into requirements is essential, as they represent the collective understanding of the design problem to be solved. Ideally, requirements are possible to verify and validate, which makes it challenging for industry to integrate socio-ecological considerations, often based on qualitative models, into requirements. Sustainability then tends not to be prioritized in trade-offs with traditionally identified requirements for engineering design. A qualitative research approach within design research methodology framed a sequence of studies guided by the research question ‘How can requirements be utilized to support Sustainable Product Development?’ First, a research gap was identified from a literature review which indicated a lack of socio-ecological systems contextualization in the identification, as well as the traceability of sustainability criteria to integrate into requirements. Secondly, a conceptual model was established for how management of requirements can be improved to facilitate traceability, as well as how contextual socio-ecological systems perspective can be introduced in the selection, of sustainability criteria for engineering design projects. For this purpose, the results from a multiple-case study based on semi-structured interviews with seven design and manufacturing companies was triangulated with findings of an in-depth literature analysis. Five key elements of management of sustainability in requirements were proposed in a profile model corresponding to different levels of sustainability maturity. A third study explored, based on literature and prototype causal loop diagramming, the potential of a group model building approach to enhance contextual understanding of strategically identified, i.e., company-tailored, sustainability criteria in relation to traditional requirements in early phases of the product innovation process. A final study investigated how a strategic sustainability perspective can be integrated with engineering design methods and value modelling to create a decision support for concept selection. The studies together indicate that key constituents of good requirements, traceability and systems contextualization, can be achieved also for socio-ecological sustainability considerations. This requires organizational commitment and will be reflected in the design of the operational management system for their product innovation process. Following the proposed five key elements of sustainability integration in requirements, a company is expected to increase the organizational sustainability maturity, and hence its capability to contribute to a sustainability transition. This research also shows that there is a gap in current methods and tools for enhanced socio-ecological systems contextualization. The two last studies of this thesis give promising approaches of tools and methods to be further developed and analyzed, namely group model building, system analysis and value modelling.

Product life cycle perspective, a concept emanating from sustainable product development has gradually emerged as one of the key areas in product design and development. Several studies and research have shown the direct co-relationship between product design, development and manufacturing and its impact on our environment and ecosystem. The need to take these environmental factors into consideration is fundamental and highly prioritized in organizations that seeks to minimize the environmental impact of their operations in our ecosystem and if possible redirect these operations to contribute positively to saving the natural ecosystem. In the latest revision of ISO 14001:2015 standard, the term product life cycle perspective (LCP) has now become a fundamental requirement for organizations to fulfill. The requirement specifies the need for life cycle perspectives to be a significant factor during product design and development. However, the practical challenges of continuously integrating life circle analysis in product design is enormous for companies and organizations. This thesis will look at the challenges confronting ISO 14001 certified product manufacturing companies and allied services in implementing product LCP during product development and design and also the interpretations given by auditors from certification companies concerning how companies implement product LCP in relation to the requirements in ISO 14001:2015 at the product design and development stages.