Nilewater is becoming scarce and it is clear that a cooperative agreement among Ethiopia, Sudan and Egypt is needed to avoid conflict and downstream harm.  In May 2015, the three countries engaged technical consultants to assist with these problems, but that arrangement has since collapsed over disagreements about project management. The authors of this important article in the NYT are John H. Lienhard V, a professor at M.I.T. and director of the Abdul Latif Jameel World Water and Food Security Lab and Kenneth M. Strzepek, a research scientist at the M.I.T. Joint Program on the Science and Policy of Global Change.