UNEP CALLS FOR MORE PHOSPHATE RECYCLING
February 1st, 2011
BY KEITH NUTHALL
THE UNITED Nations Environment Programme (UNEP) has called for an increase in the extraction of phosphorous from waste solids and waste water to prevent environmental problems linked to fertiliser run-off and prepare for the day when phosphate rock reserves run out. These currently supply an overwhelming proportion of fertiliser production and despite recent increases in estimated reserves, UNEP notes in its 2011 year book that this has not deterred supporters of increased recycling: "Proponents of the peak phosphorus theory argue that even ...
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