Wastewater is increasingly being used in the agricultural sector to cope with the depletion of freshwater resources as well as water stress linked to changing climate conditions. As wastewater irrigation expands, research focusing on the human health risks is critical because exposure to a range of contaminants must be weighed with the benefits to food security, nutrition and livelihoods.

Original Source

Better local water management is the way to keep pace with escalating demands, not pumping water across the country, warn Jon Barnett and colleagues.