Editing Hubbert peak theory (section)

===Water===
{{Main|Peak water}}
Hubbert's original analysis did not apply to renewable resources. However, [[over-exploitation]] often results in a Hubbert peak nonetheless. A modified Hubbert curve applies to any resource that can be harvested faster than it can be replaced.<ref>{{cite web
  |url=http://www.worldwater.org/data20082009/ch01.pdf
  |title=The World's Water 2008–2009, Ch 1.
  |publisher=[[Pacific Institute]]
  |author=Meena Palaniappan and Peter H. Gleick
  |year=2008
  |access-date=2009-01-31
  |url-status=dead
  |archive-url=https://web.archive.org/web/20090320104604/http://www.worldwater.org/data20082009/ch01.pdf
  |archive-date=2009-03-20
  }}</ref>

For example, a reserve such as the [[Ogallala Aquifer]] can be mined at a rate that far exceeds replenishment. This turns much of the world's underground water<ref>{{cite web |url=http://www.uswaternews.com/archives/arcsupply/6worllarg2.html |title= World?s largest acquifer going dry|website=www.uswaternews.com |archive-url=https://web.archive.org/web/20060913031104/http://www.uswaternews.com/archives/arcsupply/6worllarg2.html |archive-date=September 13, 2006}}</ref> and lakes<ref>{{cite web |url=http://www.earth-policy.org/Updates/2005/Update47_data.htm |title= April 7, 2005: Disappearing Lakes, Shrinking Seas - DATA|website=www.earth-policy.org |archive-url=https://web.archive.org/web/20060903213215/http://www.earth-policy.org/Updates/2005/Update47_data.htm |archive-date=September 3, 2006}}</ref> into finite resources with peak usage debates similar to oil. These debates usually center around agriculture and suburban water usage but generation of electricity<ref>http://www.epa.gov/cleanrgy/water_resource.htm {{dead link|date=November 2013}}</ref> from nuclear energy or coal and tar sands mining mentioned above is also water resource intensive. The term [[fossil water]] is sometimes used to describe aquifers whose water is not being recharged.