Estimation of consumptive water use and vulnerability mapping of coffee: a global analysis. Project report submitted to Nestle Ltd. under the project "Global Consumptive Water Use of Coffee?. - Eriyagama, Nishadi; Chemin, Yann H.; Amarasinghe, Upali A.; Alankara, Ranjith; Hoanh, Chu Thai (International Water Management Institute, 2011)