Knowledge for Development

A rock and a hard place: Peak phosphorus and the threat to our food security


Date: 01/06/2011


Soil Association. 2010

In the UK, and internationally, there has been no serious discussion of, or action on, what peak phosphorus means for food security. A radical rethink of how we farm, what we eat and how we deal with human excreta, so that adequate phosphorus levels can be maintained for crop production without reliance on mined phosphate, is crucial for ensuring our future food supplies. In this report the actions needed to close the loop on the phosphorus cycle to address future shortages and prevent further environmental damage from phosphate pollution are set out.

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