The Ilisu Dam and its Impact on the Mesopotamian Marshes of Iraq: Implications for the Future Directions of International Water Law provides an overview of the existing legal regime of the Tigris Euphrates River Basin in the context of the ecological and socio-political effects of global climate change. Four other river basin systems; the Senegal, Rio Grande, Mekong, and Nile, are discussed for the purpose of illuminating overarching problems and possible solutions. In conclusion, future directions in the law of transboundary basins should be based on the collaboration of all affected states. The global community, as the largest stakeholder in regional stability and ecological viability, should also contribute affirmatively to support sustainable systems.