Water for food in a changing world / Robert Sandford -- Optimising water productivity in food production / Elías Fereres -- Modern agricultural under stress : lessons from the Murray Darling in Australia / Wendy Craik and James Cleaver -- Integrated watershed management / Akissa Bahri ... [et al.] -- Lessons from Spain : a critical of assessment of the role of science and society / Alberto Garrido and Ana Iglesias -- Integrating agricultural water use with the global water budget / Malin Falkenmarkt and Johan Rockström -- Globalisation of water through virtual water trade / Hong Yang -- Balancing water for people and nature / Uriel Safriel -- Optimising water for life / Daniel Loucks -- Water science and policy in a changing world : implications of non-stationary hydrology, ecolomics and politics / John Briscoe -- Promises under construction : the evolving paradigm for water governance and the case of northern Mexico / Margaret Wilder -- Beyond universal remedies for good water governance : a political and contextual approach / Helen Ingram -- Water policies in Spain : balancing water for food and water for nature / Consuelo Varela-Ortega -- Can the world feed itself sustainably? / Alberto Garrido, Helen Ingram and Robert Sandford.