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Sustainability 2011, 3(10), 2027-2049; doi:10.3390/su3102027
Review

Peak Phosphorus: Clarifying the Key Issues of a Vigorous Debate about Long-Term Phosphorus Security

 and *
Received: 23 August 2011; Accepted: 3 October 2011 / Published: 24 October 2011
(This article belongs to the Special Issue Net Gains from Depleting Fossil Energy and Mineral Sources)
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Abstract: This paper reviews the latest information and perspectives on global phosphorus scarcity. Phosphorus is essential for food production and modern agriculture currently sources phosphorus fertilizers from finite phosphate rock. The 2008 food and phosphate fertilizer price spikes triggered increased concerns regarding the depletion timeline of phosphate rock reserves. While estimates range from 30 to 300 years and are shrouded by lack of publicly available data and substantial uncertainty, there is a general consensus that the quality and accessibility of remaining reserves are decreasing and costs will increase. This paper clarifies common sources of misunderstandings about phosphorus scarcity and identifies areas of consensus. It then asks, despite some persistent uncertainty, what would it take to achieve global phosphorus security? What would a ‘hard-landing’ response look like and how could preferred ‘soft-landing’ responses be achieved?
Keywords: peak phosphorus; global phosphorus scarcity; depletion; global food security; phosphate rock; phosphorus security peak phosphorus; global phosphorus scarcity; depletion; global food security; phosphate rock; phosphorus security
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Cordell, D.; White, S. Peak Phosphorus: Clarifying the Key Issues of a Vigorous Debate about Long-Term Phosphorus Security. Sustainability 2011, 3, 2027-2049.

AMA Style

Cordell D, White S. Peak Phosphorus: Clarifying the Key Issues of a Vigorous Debate about Long-Term Phosphorus Security. Sustainability. 2011; 3(10):2027-2049.

Chicago/Turabian Style

Cordell, Dana; White, Stuart. 2011. "Peak Phosphorus: Clarifying the Key Issues of a Vigorous Debate about Long-Term Phosphorus Security." Sustainability 3, no. 10: 2027-2049.


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