Eltahir is H. M. King Bhumibol Professor of hydrology and climate, and professor of civil and environmental engineering at the Massachusetts Institute of Technology (MIT). Eltahir made significant contributions defining the role of land surface processes in climate system. He has been actively engaged in projecting future impacts of global climate change at local and regional scales, with the objective of informing and hence enabling proactive adaptation by local communities. Examples for topics of his projections include: water in Nile basin, malaria in Africa, droughts over Mediterranean, and extreme heatwaves in Asia. Eltahir is the director of the UM6P-MIT Research Program at MIT with a focus on sustainable development in Africa. He is also the lead principal investigator in a large Climate Grand Challenges Project at MIT with the goal of reinventing adaptation to climate change. He was recently elected Member of the US National Academy of Engineering. Eltahir is a recipient of the Kuwait Prize in Applied Science in 2000, an elected Fellow of the American Geophysical Union (AGU) in 2008, and a recipient of the Hydrologic Sciences Award in 2017, from AGU.