Fig. 1From: The potential human health hazard of nitrates in drinking water: a media discourse analysis in a high-income countryTimeline of scholarly publications linking to potential adverse health impacts of nitrates in drinking water, and other key events with the frequency of media items (see Supplementary Table 3 for additional details on key publications). *Debate prior to the 2020 NZ general election was dominated by Covid-19 issues, whereas water quality was a major issue in the 2017 NZ general electionBack to article page