usable water resources

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• Water supply and sanitation in Saudi Arabia — differs from most other countries in three significant aspects. First, it relies almost exclusively on two sources that are absent in most other countries: desalination and fossil water. Second, given the substantial oil wealth of the country,… …   Wikipedia

• Water crisis — For other uses, see Water crisis (disambiguation). Deforestation of the Madagascar Highland Plateau has led to extensive siltation and unstable flows of western rivers. Water crisis is a general term used to describe a situation where the… …   Wikipedia

• Water in California — Map of water storage and delivery facilities as well as major rivers and cities in the state of California California’s interconnected water system serves over 30 million people and irrigates over 5,680,000 acres (2,300,000 ha) of farmland. As… …   Wikipedia

• Water conflicts — IntroductionAccording to the Heidelberg Institute for International Conflict Research, [Heidelberg Institute for International Conflict Research (Department of Political Science, University of Heidelberg); Conflict Barometer 2007:Crises – Wars –… …   Wikipedia

• Water distribution on Earth — Contents 1 Distribution of river water 2 Variability of water availability 3 See also …   Wikipedia

• Solar hot water — is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a fluid system to move the heat from the collector to its point of usage. The system may use electricity for pumping the fluid,… …   Wikipedia

• World energy resources and consumption — In order to directly compare world energy resources and consumption of energy, this article uses SI units and prefixes and measures energy rate (or power) in watts (W) and amounts of energy in joules (J). One watt is one joule per second. In 2005 …   Wikipedia

• Lunar water — Composite image of the Moon s south polar region, captured by NASA s Clementine probe over two lunar days. Permanently shadowed areas could harbour water ice. Lunar water is water that is present on the Moon. Liquid water cannot persist at the… …   Wikipedia

• National Institute of Water and Atmospheric Research — For other uses, see NIWA (disambiguation). National Institute of Water and Atmospheric Research Taihoro Nukurangi National I …   Wikipedia

• Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …   Wikipedia

• Energy (society) — The use of energy has been a key in the development of the human society by helping it to control and adapt to the environment. Managing the use of energy is inevitable in any functional society. In the industrialized world the development of… …   Wikipedia