Publication Search
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April 2019This report summarises analysis methods and outcomes for modelling nitrate-nitrogen leaching from livestock in New Zealand, from 1990 to 2017. Read more -
October 2007The 2006/07 National Landfill Census report provides information on the state of play of landfill sites across New Zealand in 2006/07. Read more -
May 2020This report presents research conducted by Lincoln University on the willingness to pay for the various attributes associated with New Zealand’s green premium. Read more -
May 2019This report considers options for New Zealand to manage the effects of fluctuations in recycling material commodity prices on our resource recovery sector. Read more -
January 2006This survey provides information about electrical and electronic equipment and how New Zealanders deal with them at the end of the product life cycle. Read more -
January 2011The proposed NPS on Indigenous Biodiversity sets out the Government's expectations for managing New Zealand's indigenous biodiversity under the Resource Management Act 1991. Read more -
May 2020This Castalia report estimates the administrative costs imposed under the Action for healthy waterways package for New Zealand’s 16 regional councils. Read more -
May 2019This report presents and tests a range of macroinvertebrate metrics for New Zealand streams and rivers that are sensitive to changes in sediment and periphyton. Read more -
April 2006This survey provides information about electrical and electronic equipment and how New Zealanders deal with this equipment at the end of the product life cycle. Read more -
October 2019This NIWA consultant report provides analysis of state and trends in a number of water quality variables in urban rivers and streams in New Zealand. Read more -
May 2005This paper assesses kerbside organic waste collections, in New Zealand and overseas, and identifies matters for territorial authorities to consider before implementing a collection of this nature. Read more -
November 2013This report compiles a list of mitigation strategies for managing water quality that are currently available in New Zealand. It provides a commentary on their relative cost-effectiveness. Read more -
November 2013This report compiles a list of mitigation strategies for managing water quality that are currently available in New Zealand. It provides a commentary on their relative cost-effectiveness. Read more -
December 2008This report presents the findings of thee solid waste audits for four indicator landfills in New Zealand, during four separate weeks at each site in 2007/08. Read more -
August 2017This document summaries the submissions recieved on the Government's proposal to ban on the sale and manufacture of plastic microbeads in personal care products in New Zealand. Read more -
August 2005This report summarises the views of the Stakeholder Reference Group on water allocation and use in New Zealand, and the potential approaches for improving our current allocation system. Read more -
January 2017The Government sought views on its proposed ban on the sale and manufacture of plastic microbeads in personal care products in New Zealand. Submissions have now closed. Read more -
July 2015In 2014, the Ministry for the Environment commissioned KPMG to research economic barriers to tyre recycling in New Zealand. This report presents the findings of that research. Read more -
May 2017This report examines urban zone provisions within district plans throughout New Zealand to better understand the most commonly used provisions and the key differences in the core urban zones. Read more -
May 2006This case study reviewed the TyreTrack scheme and looked at what assistance a more formal product stewardship policy could have on the management of end-of-life tyres in New Zealand. Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. It produces neurotoxins called anatoxins and ingestion of cyanobacteria mats has caused numerous dog deaths. Read more -
March 2003The 2002 Landfill Review and Audit provides a picture of the risks associated with landfills in New Zealand by assessing relative risks on a consistent basis nationwide using the Landfill Rapid Screening System Read more -
March 2020Phormidium (now called Microcoleus) is a cyanobacterium (toxic algae) that grows in some New Zealand rivers. Read more -
October 2013The Ministry for the Environment commissioned ACIL Allen Consulting to undertake a cost-benefit analysis of sorting options for e-waste plastics being recycled in New Zealand that potentially contain brominated flame retardants. Read more -
February 2017Sediment is an important contaminant in New Zealand freshwaters. This report presents the development of an analytical framework to empirically relate various key instream measures of sediment to catchment sediment loads. Read more -
May 2018The Managing Upstream project aims to help inform management decisions when establishing freshwater objectives under the Freshwater NPS and increase knowledge on the state of different estuary types in New Zealand. Read more -
May 2018The Managing Upstream project aims to help inform management decisions when establishing freshwater objectives under the Freshwater NPS and increase knowledge on the state of different estuary types in New Zealand. Read more -
May 2019This report commissioned by the National Resource Recovery Taskforce analyses the resource recovery sector in New Zealand and the impacts on recycling following fluctuations in recycling material commodity prices as markets changed. Read more -
March 2008This report estimates the extent of dioxin contamination at sawmill sites in New Zealand where pentachlorophenol (known as PCP) was used as a timber treatment in sprays or dips until its withdrawal in 1988. Read more -
August 2020This report provides recommendations on opportunities to standardise domestic kerbside collections of waste in New Zealand to increase consistency, reduce confusion for householders, improve material quality and reduce residual rubbish to landfill. Read more -
August 2018The Government is proposing to phase out single-use plastic shopping bags in New Zealand and would like to hear your views. Submissions closed at 5.00 pm on Friday 14 September 2018. Read more -
June 2006This report assesses the state of knowledge and consensus on the environmental and health impacts of post-consumer waste electronic and electrical equipment, within the context of New Zealand landfills and potential illegal dumping. Read more -
June 2003Every two years the Ministry for the Environment carries out the Resource Management Act (RMA) survey of all local authorities in New Zealand. The survey includes questions about six key aspects of RMA process. Read more -
March 2008This technical report estimates the extent of dioxin contamination at sawmill sites in New Zealand where pentachlorophenol (known as PCP) was used as a timber treatment in sprays or dips until its withdrawal in 1988. Read more -
July 2009This report is the first time a national picture of water quality in dairying catchments has been published for New Zealand. The report draws together water quality and land-use information from 14 river catchments. Read more -
June 2016This report presents the findings of a review of continuous dissolved oxygen data in New Zealand including an assessment of observed dissolved oxygen concentrations in relation to the National Objectives Framework (point source) band thresholds. Read more -
July 2008This proposed National Policy Statement on Freshwater Management sets out the objective and policies for managing New Zealand's freshwater resources under the Resource Management Act 1991. The NPS came into effect on 1 July 2011. Read more -
May 2020This report presents the modelled results of the impact of the National Policy Statement for Freshwater Management (2017) and two variants of the Essential Freshwater package on New Zealand’s economy in 2030 and 2050. Read more -
May 2010This report is one of two prepared for the Ministry for the Environment by NIWA, which update national indicator data for river water quality in New Zealand and help provide the evidence base for policy and decision makers. Read more -
September 2005During 2005/06 the Organisation for Economic Cooperation and Development (OECD) undertook a review of New Zealand’s environmental performance. This information sheet outlined the nature and process of the review and how interested individuals and groups could get involved. Read more
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September 2009This report provides an update of results for indicators of groundwater quality in New Zealand. It summarises average water quality at almost 1000 monitoring sites over the period 1995-2008, as well as trends at the same sites within that period of time. Read more -
August 2011In 2011, the Government consulted on the proposal for an Environmental Reporting Bill. This consultation document sought people’s input and views on the proposed options for improving national state of the environment reporting in New Zealand. Submissions closed on 18 October 2011. Read more -
May 2018Phormidium is a potentially toxic, mat-forming benthic cyanobacterium found in an increasing number of New Zealand rivers. This report outlines a study which assessed Phormidium toxin levels in the Cardrona (Otago), Mataura (Southland) and Hutt (Wellington) Rivers in 2017. Read more -
December 2018Ministry for the Environment, in partnership with Bay of Plenty Regional Council, commissioned Perrin Ag Consultants Ltd and Manaaki Whenua Landcare Research to assess the farm/orchard-gate economic impact of applying a range of mitigation practices to reduce losses of nitrogen, phosphorus, E. coli and sediment. Read more -
February 2017This report has been produced to test potential consequences of setting freshwater objectives for hydro scheme operations. Modelling was undertaken of a selection of various scenarios involving an increase in minimum flows in selected rivers to assess the impact of draft proposals to amend the NPS Freshwater Management on the New Zealand electricity system. Read more -
February 2010This discussion document, including the proposed national environmental standard and supporting soil guideline values, propose planning controls appropriate to district and city council plans for assessing contaminants in soil, and a set of chemical-specific soil contaminant thresholds that will define an adequate level of protection for human health for a range of differing land-uses in New Zealand. Read more -
July 2017Since 2015, Gisborne District Council (GDC) and Beef and Lamb New Zealand have been engaging with Rere farmers to try and raise water quality together to a swimmable standard. Farmer interest and participation in the project has been high and this report tells the story of the Rere Project to date, including lessons, next steps and strategic implications. Read more -
May 2017This paper gives an overview of the new National Planning Standards tool. Read more -
October 2017This report details the methodologies underlying updated estimates of glacier ice volume change in New Zealand. The estimates were used in the measure of Annual glacier ice volumes in the Environmental indicators Te taiao Aotearoa series. Read more