{"id":13723,"date":"2020-05-29T08:28:11","date_gmt":"2020-05-28T20:28:11","guid":{"rendered":"https:\/\/www.greenpeace.org\/new-zealand\/?p=13723"},"modified":"2025-05-20T14:17:12","modified_gmt":"2025-05-20T02:17:12","slug":"new-zealand-government-ignores-expert-advice-in-its-plan-to-improve-water-quality-in-rivers-and-lakes","status":"publish","type":"post","link":"https:\/\/www.greenpeace.org\/aotearoa\/story\/new-zealand-government-ignores-expert-advice-in-its-plan-to-improve-water-quality-in-rivers-and-lakes\/","title":{"rendered":"Mike Joy: New Zealand government ignores expert advice in its plan to improve water quality in rivers and lakes"},"content":{"rendered":"\n<p>New Zealand\u2019s government has been praised for <a href=\"https:\/\/theconversation.com\/overjoyed-a-leading-health-expert-on-new-zealands-coronavirus-shutdown-and-the-challenging-weeks-ahead-134395\">listening<\/a> to health experts in its pandemic response, but when it comes to dealing with pollution of the country\u2019s waterways, scientific advice seems less important. <\/p>\n\n<p>Today, the government released a long-awaited <a href=\"https:\/\/www.mfe.govt.nz\/action-for-healthy-waterways\">NZ$700 million package<\/a> to address freshwater pollution. The new rules include higher standards around cleanliness of swimming spots, set controls for some farming practices and how much synthetic fertiliser is used, and require mandatory and enforceable farm environment plans.  <\/p>\n\n<p>But the package is flawed. It does not include any measurable limits on key nutrients (such as nitrogen and phosphorus) and the rules\u2019 implementation is left to regional authorities. Over the 30 years they have been managing the environment, the health of lakes and rivers has <a href=\"https:\/\/www.mfe.govt.nz\/Environment-Aotearoa-2019-Summary\">continued to decline<\/a>. <\/p>\n\n<p>For full disclosure, I was part of the 18-person <a href=\"https:\/\/www.mfe.govt.nz\/fresh-water\/science-and-technical-advisory-group\">science technical advisory group<\/a> that made the recommendations. Despite more than a year of consultation and evidence-based science, the government has deferred or ignored our advice on introducing measurable limits on nitrogen and phosphorus. <\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p>\n  <em>\n    <strong>\n      Read more:\n      <a href=\"https:\/\/theconversation.com\/polluted-drained-and-drying-out-new-warnings-on-new-zealands-rivers-and-lakes-136486\">Polluted, drained, and drying out: new warnings on New Zealand&#8217;s rivers and lakes<\/a>\n    <\/strong>\n  <\/em>\n<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-waterways-in-decline\">Waterways in decline<\/h2>\n\n<p>The declining state of rivers, lakes and wetlands was the most important environmental issue for 80% of New Zealanders in a <a href=\"https:\/\/www.stats.govt.nz\/news\/freshwater-quality-kiwis-biggest-environmental-concern\">recent survey<\/a>. It was also an <a href=\"https:\/\/ojs.victoria.ac.nz\/pq\/article\/view\/5684\">election issue<\/a> in 2017, so there was a clear mandate for significant change. <\/p>\n\n<p>But despite years of work from government appointed expert panels, including the technical advisory group I was part of, the M\u0101ori freshwater forum <a href=\"https:\/\/www.mfe.govt.nz\/fresh-water\/kahui-wai-m%C4%81ori-freshwater-forum\">Kahui Wai M\u0101ori<\/a> and the Freshwater Leaders groups, crucial advice was ignored. <\/p>\n\n<p>The technical advisory group, supported by <a href=\"https:\/\/www.mfe.govt.nz\/publications\/fresh-water\/summary-of-modelling-inform-environmental-impact-assessment-of-nutrient\">research<\/a>, was unequivocal that specific nitrogen and phosphorus limits are necessary to protect the quality of people\u2019s drinking water and the ecological health of waterways. <\/p>\n\n<p>The proposed nutrient limits were key to achieving real change, and far from being extreme, would have brought New Zealand <a href=\"http:\/\/www.jlakes.org\/uploadfile\/news_images\/hpkx\/2019-01-15\/1-s2.0-S1001074217308215-main.pdf\">into line with the rest of the world<\/a>. For example, in China, the limit for nitrogen in rivers is <a href=\"https:\/\/cen.acs.org\/environment\/pollution\/improve-water-qualityChina-need-cut\/97\/i9\">1 milligram per litre<\/a> \u2013 the same limit as our technical advisory group recommended. In New Zealand, <a href=\"https:\/\/www.stats.govt.nz\/indicators\/river-water-quality-nitrogen\">85% of waterways in pasture catchments<\/a> (which make up half of the country\u2019s waterways, if measured by length) now exceed <a href=\"https:\/\/www.mfe.govt.nz\/publications\/fresh-water\/australian-and-new-zealand-guidelines-fresh-and-marine-water-quality\">nitrate limit guidelines<\/a>.<\/p>\n\n<p>Instead, Minister for the Environment David Parker decided to postpone this discussion by another year \u2013 meaning New Zealand will continue to lag other nations in having clear, enforceable nutrient limits.<\/p>\n\n<p>This delay will inevitably result in a continued decline of water quality, with a corresponding decline in a suite of ecological, <a href=\"https:\/\/www.mfe.govt.nz\/sites\/default\/files\/media\/Fresh%20water\/kahui-wai-maori-report.pdf\">cultural<\/a>, <a href=\"https:\/\/www.sbc.org.nz\/__data\/assets\/pdf_file\/0005\/99419\/A-Best-Use-Solution-for-NZs-Water-Problems.pdf\">social<\/a> and <a href=\"https:\/\/nzier.org.nz\/static\/media\/filer_public\/d2\/ce\/d2cef6fa-3b58-4f11-bb0b-7b2a684ac181\/nzier_public_discussion_paper_2014-01_-_water_management_in_nz.pdf\">economic<\/a> values a healthy environment could support.<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p>\n  <em>\n    <strong>\n      Read more:\n      <a href=\"https:\/\/theconversation.com\/new-zealands-urban-freshwater-is-improving-but-a-major-report-reveals-huge-gaps-in-our-knowledge-115695\">New Zealand\u2019s urban freshwater is improving, but a major report reveals huge gaps in our knowledge<\/a>\n    <\/strong>\n  <\/em>\n<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h2 class=\"wp-block-heading\" id=\"h-capping-use-of-nitrogen-fertiliser\">Capping use of nitrogen fertiliser<\/h2>\n\n<p>The other main policy the expert panels pushed for was a cap on the use of nitrogen fertiliser. This was indeed part of the announcement, which is a positive and important step forward. But the cap is set at 190kg per hectare per year, which is too high. This is like telling someone they should reduce smoking from three to two and a half packets a day to be healthier. <\/p>\n\n<p>I believe <a href=\"https:\/\/www.dairynz.co.nz\/news\/proposed-freshwater-policies-could-cost-nz-6-billion\/\">claims from the dairy industry<\/a> that the tightening of environmental standards for freshwater would threaten New Zealand\u2019s economic recovery are exaggerated. They also ignore the fact clean water and a healthy environment provide the foundation for our current and future economic well-being. <\/p>\n\n<p>And they fly in the face of modelling by the Ministry for the Environment, which shows implementation of freshwater reforms would <a href=\"https:\/\/www.mfe.govt.nz\/sites\/default\/files\/media\/Fresh%20water\/action-for-healthy-waterways-information-on-benefits-and-costs.pdf\">save NZ$3.8 billion<\/a>.<\/p>\n\n<p>Excess nitrogen is not just an issue for ecosystem health. Nitrate (which forms when nitrogen combines with oxygen) in drinking water has been <a href=\"https:\/\/pubmed.ncbi.nlm.nih.gov\/29435982\/\">linked to colon cancer<\/a>, which is <a href=\"https:\/\/www.health.govt.nz\/your-health\/conditions-and-treatments\/diseases-and-illnesses\/bowel-cancer\">disproportionately high<\/a> in many parts of New Zealand. <\/p>\n\n<p>The New Zealand College of Public Health Medicine and the <a href=\"https:\/\/www.parliament.nz\/resource\/en-NZ\/52SCEN_EVI_91358_EN19676\/dd42a1bfc8f08775c45494269a7271c05173a179\">Hawkes Bay district health board<\/a> both made <a href=\"https:\/\/www.nzcphm.org.nz\/media\/133210\/final_nzcphm_freshwater_submission.pdf\">submissions<\/a> calling for a nitrate limit in rivers and aquifers to protect people\u2019s health \u2013 at the same level the technical advisory group recommended to protect ecosystems. <\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p>\n  <em>\n    <strong>\n      Read more:\n      <a href=\"https:\/\/theconversation.com\/drinking-water-study-raises-health-concerns-for-new-zealanders-108510\">Drinking water study raises health concerns for New Zealanders<\/a>\n    <\/strong>\n  <\/em>\n<\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<p>Our dependence on synthetic nitrogen fertiliser is unsustainable, and it is adding to New Zealand\u2019s greenhouse gas footprint through nitrous oxide emissions. There is <a href=\"https:\/\/www.stuff.co.nz\/business\/farming\/97071476\/demonstration-dairy-farm-cuts-nitrate-leaching-30-per-cent-and-stays-profitable\">growing evidence<\/a> farmers can make more profit by reducing their use of artificial fertilisers. <\/p>\n\n<p>Continued use will only further degrade soils across productive landscapes and reduce the farming sector\u2019s resilience in a changing climate. <\/p>\n\n<p>The irony is that for a century, New Zealand produced milk without synthetic nitrogen fertiliser. Instead, farmers grew clover which converts nitrogen from the air. If we want to strive for better water quality for future generations, we need to front up to the unsustainable use of artificial fertiliser and seek more <a href=\"https:\/\/theconversation.com\/climate-explained-regenerative-farming-can-help-grow-food-with-less-impact-123090\">regenerative farming practices<\/a>.<!-- Below is The Conversation's page counter tag. Please DO NOT REMOVE. --><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/counter.theconversation.com\/content\/139554\/count.gif?distributor=republish-lightbox-basic\" alt=\"The Conversation\" width=\"1\" height=\"1\" style=\"border: none !important; box-shadow: none !important; margin: 0 !important; max-height: 1px !important; max-width: 1px !important; min-height: 1px !important; min-width: 1px !important; opacity: 0 !important; outline: none !important; padding: 0 !important; text-shadow: none !important\"><!-- End of code. If you don't see any code above, please get new code from the Advanced tab after you click the republish button. The page counter does not collect any personal data. More info: https:\/\/theconversation.com\/republishing-guidelines --><\/p>\n\n<p><span><a href=\"https:\/\/theconversation.com\/profiles\/michael-mike-joy-615517\">Michael (Mike) Joy<\/a>, Senior Researcher; Institute for Governance and Policy Studies, <em><a href=\"https:\/\/theconversation.com\/institutions\/te-herenga-waka-victoria-university-of-wellington-1200\">Te Herenga Waka \u2014 Victoria University of Wellington<\/a><\/em><\/span><\/p>\n\n<p>This article is republished from <a href=\"https:\/\/theconversation.com\">The Conversation<\/a> under a Creative Commons license. Read the <a href=\"https:\/\/theconversation.com\/new-zealand-government-ignores-expert-advice-in-its-plan-to-improve-water-quality-in-rivers-and-lakes-139554\">original article<\/a>.<\/p>\n<div class=\"EmptyMessage\">Block content is empty. Check the block&#8217;s settings or remove it.<\/div>\n<p class=\"has-beige-100-background-color has-background has-medium-font-size\">This article\u00a0is a guest post and doesn&#8217;t necessarily represent the views of Greenpeace.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>New Zealand\u2019s government has been praised for listening to health experts in its pandemic response, but when it comes to dealing with pollution of the country\u2019s waterways, scientific advice seems less important.<\/p>\n","protected":false},"author":6,"featured_media":53037,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_planet4_optimize_post_is_variant":false,"_planet4_optimize_experiment_name":"","_planet4_optimize_variant_name":"","ep_exclude_from_search":false,"p4_og_title":"Mike Joy: New Zealand government ignores expert advice in its plan to improve water quality in rivers and 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