the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere. 2. hydrogeology; geohydrology.
The Oxford Institute for Energy Studies (OIES), located in Oxford, United Kingdom, is a center for research into the economic and political areas of energy issues.
International Institute for Strategic Studies. The International Institute for Strategic Studies (IISS) is a British research institute (or think tank) in the area of international affairs. Since 1997 its headquarters have been Arundel House, in London, England. The 2013 Global Go To Think Tank Index ranked IISS as the ninth-best think tank worldwide.