Northern Sahara Desert, Tunisia, 19 Feb 2015. Scientists from Tunisia and IAEA carried out groundwater age dating with Krypton-81. (Photo: T. Matsumoto/IAEA) In an age when sustainable water sources are paramount, the IAEA has unveiled an ambitious strategy to delve deeper into groundwater research. The Agency's new coordinated research project (CRP) on “Modelling and isotope-based age for assessment of fossil GW resources” focuses on tightening the integration of environmental t...