Thanks to European legislation, water pollution by nitrates of agricultural origin has been reduced within the EU but there is still a long way to go if it is to be fully contained, according to the latest report on implementation of the “nitrates” directive (91/676/EEC), published on 4 May by the Commission. In addition to its impact on public health, water pollution by nitrates is responsible for eutrophication – excessive proliferation of algae fatally detrimental to...