Publication Search
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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 -
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 -
November 2008The report was commissioned by the Ministry for the Environment for the SEIP TAG Electricity Issues Sub-group. The analysis involved modelling future electricity system performance in New Zealand assuming a range of CO2 prices 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 -
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 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 -
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 -
February 2016A technical note providing an expert opinion on the likely forestry sector response to various carbon prices which was commissioned by the Ministry for Primary Industries and undertaken by Professor Bruce Manley of the New Zealand School of Forestry at the University of Canterbury. Read more -
February 2002This report chronicles the development of the carbon monitoring system for indigenous forests, scrub and soils. 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 -
June 2018In this report, the New Zealand Institute of Economic Research (NZIER) uses a dynamic Computable General Equilibrium (CGE) model to explore the economic impacts of transitioning to targets and a lower-emissions future, and examines how the economy changes in response to the imposition of various targets. Read more -
June 2018The Zero Carbon Bill is an opportunity for New Zealand to decide how it delivers its part in the global effort while encouraging action by others. The Bill puts a new target in legislation that gives us certainty about our long-term goals. It creates the institutions to help us get there and to hold us to account. It can also put in place the plans we need to respond to the growing impacts of climate change. 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 2015The purpose of this consultation document was to seek views on proposed amendments to the Climate Change (Liquid Fossil Fuels) Regulations 2008. The purpose of the regulations is to regulate the collection of information and calculation of emissions for the purpose of surrendering units by obligation fuel participants and opt-in participants in the New Zealand Emissions Trading Scheme. Read more -
March 2011The Climate Change Response Act 2002 required a review of the New Zealand Emissions Trading Scheme to be completed before the end of 2011. The Act required the Minister for Climate Change Issues (the Minister) to appoint a panel to conduct the review and specify the terms of reference for its review. This consultation document sets out the issues on which the Panel wished to focus consultation with stakeholders. Read more -
April 2020This modelling report from Energy Link provides a range of possible new values for the electricity allocation factor using different parameters, scenarios and modelling methodologies. Read more -
February 2021This report calculates national carbon stock and carbon stock change estimates (via yield tables) for pre-1990 and post-1989 planted forests. Read more -
May 2020This report summarises work to evaluate load reductions required to meet the new National Policy Statement for Freshwater Management's nutrient-related bottom lines. Read more -
April 2010This report informs the ‘environmental flows and water measuring’ and ‘water quality limits’ projects commissioned as part of the New Start for Fresh Water programme in 2009. Read more -
September 2019As part of the Essential Freshwater programme, the Government is considering changes to nitrogen and phosphorus regulations. This study aimed to determine the impact of the proposed new nitrogen regulation. Read more -
December 2000The Stream Periphyton Monitoring Manual describes a standard set of methods for regional councils, consultants and researchers to collect and analyse data on periphyton for resource surveys, impact assessments/monitoring, state of environment reporting and research studies. Read more -
November 2010This report presents a summary of the regional council consent data for water takes between 2009–10. The information in the report has been used to update the freshwater demand environmental indicator. Read more -
October 2011A history of the Fruitgrowers’ Chemical Company (FCC) at Mapua and the clean up of the site. Read more -
June 2018 -
November 2019This report by Concept Consulting compared input values used in the previous modelling of the EAF against reality. It found that if actual values had been used the EAF would be lower than its current level. Read more -
November 2019This report from Energy Link recommends a range of parameters and values for the proposed EAF modelling. Read more -
November 2019This report by Scientia Consulting estimates the actual EAF in the wholesale electricity market over 2016 and 2017 using actual and counterfactual (not NZ ETS costs) spot prices. Read more -
November 2017This material is incorporated by reference in the National Policy Statement for Freshwater Management 2020. Read more -
January 2010This report documents the tools being used to support Māori participation in freshwater management under the Resource Management Act 1991 and suggests areas that could be further investigated. Read more -
February 2002A further five ABARE scenarios were commissioned following the completion of the six-scenario ABARE report. Read more -
May 2019This report outlines the different potential approaches for characterising the pressure created by dams on the flow regime of rivers and streams. Read more -
April 2017This report outlines the development of a pressure-state-impact model to predict the effect of water abstractions on river flows, using Canterbury as a case study. Read more -
April 2013The Climate Change (Emissions Trading and Other Matters) Amendment Act 2012 was passed by Parliament in November 2012 (2012 Amendment Act). It amended the Climate Change Response Act 2002 (the Act) to make a number of changes to the ETS. In addition, Cabinet has agreed to some minor and technical changes to the ETS. Some of these changes need to be given effect by amending regulations made under the Act. Read more -
November 2007This report summarises the key themes that emerged from 13 hui held in April 2007 to discuss the climate change issues and options. Read more -
September 2019This report builds upon the findings of the Sediment attributes and urban development (report 1) literature review - see link in Related publications below. Read more -
May 2019This report updates previously published statistics on water consented to be taken from surface and groundwater sources for consumptive uses (such as irrigation or drinking water). Read more -
December 2008Regulations covering the Liquid Fossil Fuels under the Emissions Trading Scheme (ETS) are now in place (Climate Change (Liquid Fossil Fuels) Regulations 2008). Read more -
April 2020This report by Cawthron collates and analyses regional council river and stream monitoring data, including measures of fine deposited sediment and habitat quality. Read more -
March 2016This technical note is one of two that has been released to support the consultation on ‘other matters’ as part of the NZ ETS review 2015/16. It seeks feedback from stakeholders on the existing structure of forestry in the NZ ETS, and on ways forestry in the NZ ETS could evolve to support the changing international and domestic context. Read more -
July 2014Proposed amendments to the National Policy Statement for Freshwater Management were publicly notified on 7 November 2013. This report summarises the recommendations and the Minister’s decision on the recommendations following consultation on the proposed amendments. Read more -
July 2004This paper was published as part of the Water Programme of Action Freshwater for a Sustainable Future consultation. Read more -
March 2016This technical note is one of two that was released to support the consultation on ‘other matters’ as part of the NZ ETS review 2015/16. It provides further detail on some operational issues not included in the NZ ETS review discussion document and sought stakeholder feedback on those issues. Read more -
June 2009This report presents the results of an audit of the remediation of the former Fruitgrowers Chemical Company site at Mapua. Read more -
August 2018Trend analyses performed on many sites are regularly aggregated by water quality variable and summarised in tabular, graphical or map format as part of environmental reporting. Read more -
September 2019This document sets out proposals for consultation on measures to stop the degradation of waterways and restore them to a healthy state. Read more -
June 2016This document provides a summary of submissions received during the consultation on the Government’s Next Steps for Fresh Water discussion document. Read more