Larry Williams Drive

New research has found that there isn't enough water in Canterbury to handle the pollution created by the region's dairy farms. The study found that harmful nitrates are flowing from farms into drinking water sources, faster than rain or river water can dilute them. Greenpeace says the research shows that herd sizes need to come down and synthetic nitrogen fertilizers need to be phased out. Dr Mike Joy joined Heather du Plessis-Allan. LISTEN ABOVESee omnystudio.com/listener for privacy information.