Abstract
Global food demand will strongly rise over the next decades, due to population growth, average income increases, and trends towards higher consumption of animal products. Agricultural and food production already account for 70% of total freshwater withdrawals in the world. In addition, future water demand from private households, industry and for environmental purposes will also rise. Over the next decades global agricultural production has to be strongly increased, while agricultural water use has to be reduced to avoid water scarcity. This can only be achieved through a smart combination of efficiency gains in agricultural production and irrigation, institutional and policy reforms, changes in dietary habits, and virtual water trade between nation states. However, due to conflicting interests many of these options face serious barriers and water crises with global implications may still occur in many vulnerable regions.
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Lotze-Campen, H. (2012). Adaptation in Water Management. In: Edenhofer, O., Wallacher, J., Lotze-Campen, H., Reder, M., Knopf, B., Müller, J. (eds) Climate Change, Justice and Sustainability. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4540-7_15
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