Re-thinking water and food security: fourth Botin Foundation water workshop.

Foreword - M. Ramon Llamas I - Are global water resources a limitation for food production and security? 1 Food security in water-short countries - Coping with carrying capacity overshoot - Malin Falkenmark & Mats Lannerstad 2 Global agricultural green and blue water consumptive uses and virtual water trade - Junguo Liu & Hong Yang 3 Water scarcity and food security: A global assessment of water potentiality in Tunisia - Jamel Chahed, Mustapha Besbes &Abdelkader Hamdane II - Searching for water intelligence solutions 4 Can human ingenuity, Science and Technology help solve the world problems of water and food security? - Elena Lopez-Gunn & M. Ramon Llamas 5 Producing more or wasting less? Bracing the food security challenge of unpredictable rainfall - Jan Lundqvist 6 Prioritising the processes beyond the water sector that will secure water for society - farmers in political, economic, and social contexts and fair international trade - J.A. [Tony] Allan III - Economic development, the role of the private sector and ethical aspects 7 Present and future roles of water and food trade in achieving food security, reducing poverty and water use - Juan A. Sagardoy & Consuelo Varela-Ortega 8 Economic aspects of virtual water trade: Lessons from the Spanish case - Alberto Garrido, Paula Novo, Roberto Rodriguez-Casado & Consuelo Varela-Ortega V 9 Water commoditization: An ethical perspective for a sustainable use and management of water resources, with special reference to the Arab Region - Magdy A. Hefny 10 Water scarcity risks: Experience of the private sector - Stuart Orr &Anton Cartwright IV - Environmental conservation vs. food production 11 Incorporating the water footprint and environmental water requirements into policy: Reflections from the Donana Region (Spain) - Maite M. Aldaya, Francisco Garcia Novo & M. Ramon Llamas 12 The blue, green and grey water footprint of rice from both a production and consumption perspective - Ashok K. Chapagain &Arjen Y. Hoekstra 13 Water quality and nonpoint pollution: Comparative global analysis - Jose Albiac, Elena Calvo, Javier Tapia & Encarna Esteban V - The strategic role of groundwater in achieving food security 14 Intensive groundwater development: A water cycle transformation, a social revolution, a management challenge - Emilio Custodio 15 Electricity reforms and its impact on groundwater use: Evidence from India - Aditi Mukherji, Tushaar Shah & Shilp Verma VI -Water, energy and technology for food security 16 Water and energy nexus - Role of technology - Joppe F. Cramwinckel 17 Energy supply for the coming decades and the consequent water demand - Ignasi Nieto 18 The economics of desalination for various uses - Xavier Bernat, Oriol Gibert, Roger Guiu, Joana Tobella & Carlos Campos Postscript. The impossibilities of water in agriculture: An increasingly unreal world. What we have to do about it? - Margaret Catley-Carlson Glossary Author index Subject index