Tom Campbell: Law Professor Urges Ethiopia to Take Nile Issue to International CourtThe construction of the Grand Renaissance hydroelectric dam in the Asosa region of Ethiopia. “International law requires upstream and downstream users to engage in equitable use of a river’s water,” he said. “Does Ethiopia have the legal right to dam the Nile?” we asked. The answer, Mr. Campbell gave is a resounding “Yes.”“Unquestionably Ethiopia has the legal right to build the dam,” he replied. “While Egypt wants more of the Nile to be diverted to new settlements in the Sinai, Ethiopia wants water to prevent the devastating drought that occurs every seven years.