Editing Renewable resource (section)

===Water resources===
{{Main|Water resources}}

[[Water]] can be considered a ''renewable'' material when carefully controlled usage and temperature, treatment, and release are followed. If not, it would become a non-renewable resource at that location. For example, as [[groundwater]] is usually removed from an [[aquifer]] at a rate much greater than its very slow natural recharge, it is a considered non-renewable resource. Removal of water from the pore spaces in aquifers may cause permanent compaction ([[subsidence]]) that cannot be renewed. 97.5% of the water on the Earth is salt water, and 3% is [[fresh water]]; slightly over two thirds of this is frozen in [[glacier]]s and [[Polar climate|polar]] [[ice cap]]s.<ref name="USGS dist">{{cite web|url=http://ga.water.usgs.gov/edu/waterdistribution.html|title=Earth's water distribution|publisher=United States Geological Survey|access-date=2009-05-13}}</ref> The remaining unfrozen freshwater is found mainly as groundwater, with only a small fraction (0.008%) present above ground or in the air.<ref>{{cite web | title=Scientific Facts on Water: State of the Resource | publisher=GreenFacts Website | access-date=2008-01-31 | url=http://www.greenfacts.org/en/water-resources/index.htm#2 | archive-url=https://web.archive.org/web/20180724032145/http://www.greenfacts.org/en/water-resources/index.htm#2 | archive-date=2018-07-24 }}</ref>

[[Water pollution]] is one of the main concerns regarding water resources. It is estimated that 22% of worldwide water is used in industry.<ref name="WBCSD Water Facts & Trends">{{cite web |url=http://www.wbcsd.org/includes/getTarget.asp?type=d&id=MTYyNTA |title=WBCSD Water Facts & Trends |access-date=2009-03-12 |archive-url=https://web.archive.org/web/20120301011840/http://www.wbcsd.org/includes/getTarget.asp?type=d&id=MTYyNTA |archive-date=2012-03-01 }}</ref> Major industrial users include hydroelectric dams, [[Electricity generation#Other generation methods|thermoelectric power plants]] (which use water for cooling), [[ore]] and [[Petroleum|oil]] refineries (which use water in chemical processes) and manufacturing plants (which use water as a solvent), it is also used for dumping garbage.

[[Desalination]] of seawater is considered a renewable source of water, although reducing its dependence on fossil fuel energy is needed for it to be fully renewable.<ref name=LowCDesal>{{cite journal | last1=Lienhard | first1=John H. | last2=Thiel | first2=Gregory P. | last3=Warsinger | first3=David M. | last4=Banchik | first4=Leonardo D. | title=Low Carbon Desalination: Status and Research, Development, and Demonstration Needs, Report of a workshop conducted at the Massachusetts Institute of Technology in association with the Global Clean Water Desalination Alliance | journal=Prof. Lienhard Via Angie Locknar | date=2016-12-08 | hdl=1721.1/105755 }}</ref>

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File:Sinclair Wetlands.jpg|''Panorama of a natural wetland ([[Sinclair Wetlands]], New Zealand)''
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