24 Milliarden Tonnen fruchtbaren Bodens gehen Jahr für Jahr unwiederbringlich verloren, unsere Böden sind aber bloß begrenzt und sehr langfristig erneuerbar. Dabei können sie die Biodiversität erhalten und die Folgen des Klimawandels abschwächen - wenn sie gut bewirtschaftet und verwaltet werden. Um bis 2050 Wasser-, Energie- und Lebensmittelsicherheit für voraussichtlich neun Milliarden Menschen zu gewährleisten, muss die Bedeutung von Böden weltweit anerkannt werden. Und unsere Böden müssen innerhalb ihrer vielfältigen Wechselbeziehungen zu Mensch und Umwelt wahrgenommen werden - im 'Nexus'. Führende internationale Wissenschaftler präsentieren die dringend notwendigen transdisziplinären Perspektiven für ein nachhaltiges Boden- und Landmanagement. Soils are crucial if we are to ensure water, energy and food security for nine billion people by 2050. Soils sustain biodiversity and - if managed wisely - contribute to the mitigation of climate change. At the same time, they are a non-renewable resource within human timeframes. Nevertheless, we continuously transform this resource in unsustainable ways. This manifests itself in the loss of approximately 24 billion tonnes of fertile soil each year due to erosion. Insecurity or loss of land rights among local populations is a further expression of often unsustainable development pathways. To overcome these challenges, we need to consider soils in an integrated and holistic manner: in the nexus. This book presents transdisciplinary perspectives and potential responses to soil-related challenges to sustainable development. In view of the International Year of Soils 2015, it provides insights into promising pathways towards the sustainable governance of soil and land.

Klaus Töpfer is Executive Director of the IASS. He was Federal Minister for the Environment and of Regional Planning and Urban Development. Until 2006 he was Executive Director of the United Nations Environment Programme (UNEP) in Nairobi. Alexander Müller is a Senior Fellow at the IASS. He was Assistant Director-General of the Food and Agriculture Organization of the United Nations (FAO) and State Secretary in the German Ministry for Consumer Protection, Food and Agriculture. Charlotte Beckh is a Research Associate at the Global Soil Forum of the IASS and works on responsible land and soil governance and transdisciplinary exchange processes such as the Global Soil Week. Jes Weigelt coordinates the Global Soil Forum at the Institute for Advanced Sustainability Studies (IASS), focusing on transformations towards the sustainable management of global land and soil resources through multi-stakeholder processes.

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