Important
 http://www.unisdr.org/  International Strategy for Disaster Reduction (ISDR)
 http://severe.worldweather.org/  WMO Warning
 Meteorology
 http://www.wmo.ch  World Meteorological Organization (WMO))
 http://www.eumetnet.eu.org/  The network of European Meteorological Services (EUMETNET)
 http://www.ecmwf.int  European Centre for Medium-Range Weather Forecasts (ECMWF)
 http://www.eumetsat.de  Eumetsat (EUMETSAT)
 Climatology
 http://eca.knmi.nl/  European Climate Assessment & Dataset (ECA&D)
 http://www.met.ie  The Irish National Meteorological Service
 http://www.bom.gov.au  Australian Bureau of Meteorology
 Agricultural meteorology
 http://www.agrometeorology.org  International Society for Agricultural Meteorology (INSAM)
 http://www.wamis.org  World AgroMeteorological Information Service (WAMIS)
 http://www.fao.org  FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS (FAO)
 Hydrology
 http://www.ooe.gv.at/hydro/seite_ooe.htm  Hydrografic service - Austria
 http://www.shmu.sk  Slovakian Hydrometeorological Service
 http://www.datanet.hu/hydroinfo  National Hydrological Forecasting Service - Hungary
 http://www.appd-bg.org/bg/toc.html  The Executive Agency for Maintenance of the Danube River - Bulgary
 http://www.rowater.ro  The Romanian Waters National Administration
 http://www.arso.gov.si  The Environmental Agency of the Republic of Slovenia
 http://www.voda.hr/hr/index.htm  Croatian Waters
 http://water.usgs.gov/  USGS - Water resources of the USA
 http://www.icpdr.org  ICPDR - International Commission for the Protection of the Danube River
 http://www.danubecom-intern.org/index.htm  Danube Commission
 http://www.savacommission.org  International Sava River Basin Commission
 http://grdc.bafg.de  Global Runoff Data Centre (GRDC)
 http://www.savariver.net/  Pilot River Basin Plan for Sava River
 Water quality
 http://www.ekoserb.sr.gov.yu  Directorate for the Environmental Protection Republic of Serbia
 http://www.minpolj.sr.gov.yu  Ministry of Agriculture, Forestry and Water Management Republic of Serbia
 http://www.sepa.sr.gov.yu  Serbian Environmental Protection Agency
 http://www.eea.eu.int  European Environment Agency
 http://www.epa.gov  U.S. Environmental Protection Agency
 http://www.chmi.cz  Czech Hydrometeorological Institute/Hydrology Division
 http://www.arso.gov.si  Environmental Agency - Ministry for Environment and Spatial Planning Slovenia

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