water, both in and outside the river, lake or aquifer.
National estimates of renewable water resources, including internal and external contributions, and water abstractions per capita are available for most European countries. Very often, however, the estimates vary between different information sources. For the purpose of this report, estimates of renewable water resources and water abstractions have been obtained for each country by updating the water resource database at Eurostat, with recent water resource statistics taken primarily from national reports prepared by many countries for presentation at the 1992 UNCED conference in Rio de Janeiro.