Is there a need for a yellow plumber?
25 Mar 2012
Global research indicates that the world’s reserve of phosphorous is being mined to dangerously low levels. Phosphorous is a vital element which assists in converting the sun's energy and other chemicals, such as nitrogen, into usable food for plant growth. We must therefore find ways to sustain this mineral. Jonathan Jackson speaks with Dena Fam and Kumi Abeysuriya about urine diversion.