Nitrogen management based on circular economy principles contributes to reducing emissions and maintaining food security. Photo: Sasin Tipchai CC0 1.0 Universal CC0 1.0 Deed

Efficient use of nitrogen is needed to protect environment and health, says FAO

Nitrogen, the UN agency remarks, is an essential element but also a contaminant. Its intake to the soil is likely to quadruple by the end of the 21st century

Re Soil Foundation