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Malnutrition in all its forms is a major challenge everywhere in the world, and particularly in low and middle income countries. To reduce malnutrition, innovations in food systems are needed to both provide sufficient options for consumers to obtain diets with adequate nutritional value, and to help consumers make conscious and unconscious choices to choose healthier diets. A potential solution to this challenge is food systems innovations designed to lead to healthier diets. In this paper, we lay out a multidisciplinary framework for both identifying and analyzing innovations in food systems that can lead to improvements in the choices available to consumers and their diets from a health perspective. The framework identifies entry points for the design of potential food systems innovations, highlighting potential synergies, feedback, and tradeoffs within the food system. The paper concludes by providing examples of potential innovations and describes future research that can be developed to support the role of food systems in providing healthier diets.
How do polycentric governance systems respond to new collective action problems? This Element tackles this question by studying the governance of adaptation to sea level rise in the San Francisco Bay Area of California. Like climate mitigation, climate adaptation has public good characteristics and therefore poses collective action problems of coordination and cooperation. The Element brings together the literature on adaptation planning with the Ecology of Games framework, a theory of polycentricity combining rational choice institutionalism with social network theory, to investigate how policy actors address the collective action problems of climate adaptation: the key barriers to coordination they perceive, the collaborative relationships they form, and their assessment of the quality of the cooperation process in the policy forums they attend. Using both qualitative and quantitative data and analysis, the Element finds that polycentric governance systems can address coordination problems by fostering the emergence of leaders who reduce transaction and information costs. Polycentric systems, however, struggle to address issues of inequality and redistribution.
An essential, up-to-date look at the critical interactions between biological diversity and climate change that will serve as an immediate call to action The physical and biological impacts of climate change are dramatic and broad-ranging. People who care about the planet and manage natural resources urgently need a synthesis of our rapidly growing understanding of these issues. In this all-new sequel to the 2005 volume Climate Change and Biodiversity, leading experts in the field summarize observed changes, assess what the future holds, and offer suggested responses. Edited by distinguished conservationist Thomas E. Lovejoy and climate change biologist Lee Hannah, this comprehensive volume includes the latest research and explores emerging topics. From extinction risk to ocean acidification, the future of the Amazon to changes in ecosystem services, and geoengineering to the power of ecosystem restoration, this volume captures the sweep of climate change transformation of the biosphere. An authoritative, up-to-date reference, this is the new benchmark synthesis for climate change scientists, conservationists, managers, policymakers, and educators.
Le point de départ de la réflexion à l’origine du présent ouvrage, distinguer nature et culture, n’est-ce pas précisément ce que fait le droit? Au premier regard, oui, mais la réalité est cependant plus nuancée. L’objectif est d’initier cette réflexion en rassemblant des contributions dans lesquelles le lien culture-nature est à chaque fois envisagé à travers un prisme particulier : un système conventionnel, une catégorie d’acteurs, une technique juridique, un concept, une problématique, etc.