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The ongoing increase of the world population entails huge challenges for all countries' agro-food systems. Agriculture has to satisfy growing food requirements both in quantitative and qualitative terms, but the on hand natural resource stock is quickly depleting. Moreover, food production and energy production from biomass are competing for land. The thesis aims at measuring the environmental impact of nutrition in three agri-food systems. The study considers the amount of natural resources used in the production and consumption of food along its life-cycle. It is featured in two parts. In the first one the analysis is restricted to the supply chain of food, and provides a sustainability rating of thirty-seven products, grown through different agricultural practices. The second analysis takes into consideration all the value chain according to three paradigms of agri-food systems. They refers to different models of food production and consumption, observed in Italy. The first one is the dominant paradigm, including conventional and intensive farming practices, long and globalized food chains, retailing in supermarkets. The other models refer to Alternative Food Networks (AFN). The first is the GAS (Gruppi di Acquisto Solidali) initiative, i.e. solidarity purchasing groups, that manage collectively the purchasing of organic food and natural manufactured products mainly from local enterprises and farmers. They aim at accessing high quality and naturally grown food, avoiding the retailing passage and ensuring a fair price to the farmers. The third model refers to UPM (Un Punto Macrobiotico), an international association established in the Marche region in 1980. It manages and controls an entire food chain, since the agricultural production, based on the post-organic technique "Ma-Pi polyculture", till the food purchasing and catering, in sixty-three restaurants spread in the Italian territory. UPM is a very consumer-oriented food chain, in which a very exigent demand (in terms of food naturality and healthiness) drives the agricultural production towards the minimization of the external inputs employment. A further model concerns the reduction of the "Food Miles", i.e. the kilometres covered by food, since the dominant paradigm. Thus, in this model the distances are reduced by an average 90%, while the production practices do not change. The methodology used for assessing the sustainability of food is the Material Input Per Service unit (MIPS) indicator. It estimates the overall environmental pressure caused by products or services by indicating the life-cycle-wide consumption of natural resources in relation to the benefit provided. It includes five resource categories: abiotic and biotic materials (renewable resources), water, air and soil. Results of the first analysis provide a dataset of the material intensity of Italian agricultural products and foodstuffs, which can expedite future research on the topic of nutrition’s sustainability. The second analysis evaluates the natural resource demand for feeding one person during a week, in the paradigms under investigation. With respect to the dominant, the GAS model allows a 58% reduction in the abiotic resource demand, 53% in water and 71% in air. The UPM system, instead, permits a tenfold reduction in abiotic, biotic and water, and 82% decrease in the air category. The insight on the socio-economic features of the systems, together with the environmental sustainability measurement, allowed making some general conclusions and policy recommendations on the sustainability of the different food systems. The role of a low external input technology in agriculture is emphasized as a possible strategy for driving food system towards more sustainable patterns and empowering the small-scale farming.
This PhD aims to generate a better understanding of corporate social responsibility (CSR) in global production networks. CSR is an umbrella term that deals with voluntary activities undertaken by companies and that indicate an ethos to act responsibly in society. This research focuses on CSR practices that aim towards improving working conditions in outsourced production factories by implementing so-called social standards, which often derive from core norms of the International Labour Organization and intend to secure decent working conditions. While companies claim that they take responsibility for workers via CSR practices, civil society actors like the Clean Clothes Campaign criticize CSR as public relations exercise as companies still fail to take "sufficient" responsibility. Based on this contradiction this PhD aims to reveal the political contestation surrounding CSR and the struggles over CSR between companies and civil society organizations claiming to represent workers in global production networks. The main questions are: What practices do companies use to take responsibility for workers in outsourced production, how do they legitimize these practices, and how are these approaches contested? The research is based on theoretical concepts of "shared responsibility", "political CSR" and "democratic legitimacy". The "global production network" framework and a framework for analysing private regulation, referring to legislative, judicial, and executive regulation, are applied. Empirically, the research analyses two private standards initiatives that define and institutionalize CSR practices, namely the Fair Wear Foundation (FWF) and the Business Social Compliance Initiative (BSCI). The findings are mainly based on 150 qualitative interviews with representatives from companies, civil society, auditing companies, and governments. Additionally, documents are evaluated. Empirical research was undertaken in Europe (mainly Germany & Switzerland) and Asia (India & Bangladesh). The research findings suggest that the CSR practices defined by BSCI and the FWF are based on rather different interpretations of the causes of worker injustice. The BSCI is based on a belief in a concept of liberal democracy. In this view companies do not need to legitimate their activities, as long as they comply with national laws. Responsibility is based on a liability model that blames producers and national governments for neglecting their responsibility towards workers. Companies joining the BSCI take the responsibility of initiating processes in developing countries that demand governments, producers and civil society actors in these countries to take responsibility. In contrast, the approach of the FWF is based on an understanding of "structural injustice" and "shared responsibility". In this view violations of labour rights are identified to be inherent in the complexities of global production networks themselves. No single actor can be blamed for the injustices, and therefore corporations "share" a responsibility, and must engage in public discourses according to their power and abilities, what is seen as a "political" form of CSR.