Phosphorus is a critical nutrient used as agricultural fertilizer. Through human digestion, it is returned to the water cycle through wastewater. In the first episode of our podcast series, Chemistry with a Purpose, we speak to Matthias Staub, Development Director of Water at Veolia, a leader in municipal wastewater treatment. The company is currently testing Kemira's new Vivimag phosphorous recovery technology, which has promising implications for the circular economy.