A crowd favorite, Rebecca Bray and Britta Riley's exploration of the positive potential in urine, explored earlier on Treehugger, the «drinkpeedrinkpeedrinkpee» installation demonstrates a way of treating urine so that, instead of polluting our waterways with algal blooms, our high nitrogen, high
phosphorus liquid waste can be used to provide plant nutrients.
Although new technologies have already been developed for the recovery of dissolved inorganic phosphates in the
liquid fractions of municipal and agricultural
wastes, solid residues remain a largely untapped source for
phosphorus in its organic form.