Global Monthly Water Scarcity: Blue Water Footprints versus Blue Water Availability

Arjen Y. Hoekstra, Mesfin M. Mekonnen, Ashok K. Chapagain, Ruth E. Math/PLoS ONEews, Brian D. Richter, Arjen Y. Hoekstra, Mesfin M. Mekonnen, Ashok K. Chapagain, Ruth E. Math/PLoS ONEews, Brian D. Richter, 2012