Publication Search
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December 2019This report reviews the 2011 electricity allocation factor modelling approach and identifies several potential issues. Read more -
December 2019The Ministry for the Environment commissioned NZIER to interpret and provide commentary on the Concept Consulting report, High level review of approaches for estimating a standard electricity allocation factor. Read more -
December 2019The Ministry commissioned this report to improve our understanding of how geospatial information can inform meaningful engagement with iwi/hapū. Read more -
December 2019This guide provides information for people who import, manufacture, or sell products covered by New Zealand’s Water Efficiency Labelling Scheme (WELS). Read more -
December 2019This is New Zealand's Fourth Biennial Report snapshot for 2019, published alongside the full detailed report. Read more -
December 2019This document outlines the Government’s proposals for the provisional emissions budget and the accompanying NZ ETS settings. Read more -
New Zealand's fourth biennial report under the United Nations Framework Convention on Climate ChangeDecember 2019This is New Zealand's fourth biennial report and presents New Zealand’s progress towards our international climate change commitments. 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 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 Honorary Professor Peter Skelton concerns the management and allocation of freshwater in the Otago region. It contains recommendations for the Minister for the Environment on improving freshwater management under the Resource Management Act 1991. Read more -
November 2019This report describes national data sets related to groundwater flux estimation, including the methodologies to undertake this work and resultant digital data sets. Read more -
November 2019This report reviews groundwater models in New Zealand. Read more -
November 2019This report describes an update of New Zealand's depth to hydrogeological basement map, including the methodology used to undertake this work and the resultant digital data sets. Read more -
November 2019This report describes the development of a Hydrogeological-Unit Map for New Zealand, which provides a classification of geological units in terms of their importance for groundwater flow and storage in an ArcGIS seamless digital map. Read more -
November 2019This report presents the approach and results of groundwater use in New Zealand. Read more -
November 2019This report presents the model used to analyse options to amend the National Environmental Standards for Air Quality (in terms of costs and benefits), and summarises the key findings of the preferred option. Read more -
November 2019This discussion document outlines the Government’s proposals for the rules for auctioning in the New Zealand Emissions Trading Scheme to align the supply of NZ ETS units with New Zealand's emissions reduction targets. Read more -
November 2019This paper provides a background on the electricity allocation factor (EAF), its initial modelling techniques and outlines the need for a review. Read more -
November 2019This report presents a modelled baseline of current concentrations of PM2.5 in ambient air and associated health impacts. Read more -
October 2019This document provides a summary of the submissions that were made on the proposals presented in the Action on Agriculural Emissions discussion document. Read more -
October 2019The discussion document sets out proposals for a mandatory (comply-or-explain) principles-based, climate-related financial disclosures regime. 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 -
September 2019This draft NIWA report provides the first attempt to develop bottom-line thresholds for suspended and deposited sediment based on ecological responses for New Zealand rivers and streams. Read more -
September 2019This report describes hydrological modelling that estimates the suspended sediment load reductions required to meet proposed suspended sediment attribute bottom lines. Read more -
September 2019This report provides a cost-benefit assessment of potential interventions to meet proposed suspended sediment attribute bottom lines. Read more -
September 2019This literature review assesses the primary sources of variability in sediment generation in an urban environment and the impact of urban development on sediment discharges in the short and long term. 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 -
September 2019This report analyses water quality data to assess the effect of urban development on in-stream indicators of suspended fine sediment, primarily turbidity and total suspsended sediment. Read more -
September 2019This report describes modelling of several urban development scenarios and their variable effect on sediment yield during construction. Read more -
September 2019This report describes remote sensing imagery analysis that identifies areas of winter forage cropping and evaluates devegetation that results from winter grazing. Read more -
September 2019This report reviews New Zealand literature on the effects of environmental degradation of freshwater ecosystems on social, cultural, environmental, and economic outcomes in New Zealand. Read more -
September 2019This report provides a review of alternative, and potentially complementary, frameworks for the integrated assessment of the economic, environmental, and socio-cultural effects of environmental management. Read more -
September 2019This is the report of the Science and Technical Advisory Group (STAG), an advisory group to the Essential Freshwater programme. This report highlights a strong focus by the Science and Technical Advisory Group on the health of the environment and the waterbody. Its content and recommendations provide additional metrics for the national freshwater management framework to strengthen the relationship between this national direction and ecosystem health and functioning. Read more -
September 2019The report by the Freshwater Leaders Group notes that to improve water quality, major changes are needed to the way that we as a country protect and manage our land and water. Read more -
September 2019This report by the Regional Sector Water Subgroup contributes the views and expeiences of regional councils to the Essential Freshwater programme. The group's advice focusses on likely impacts and practical implementation issues relating to proposed policies. Read more -
September 2019This is the draft of the proposed new National Policy Statement for Freshwater Management (NPS-FM). It sets out the objectives and policies for freshwater management under the Resource Management Act 1991. Read more -
September 2019This is the proposed National Environmental Standards for Freshwater. It sets out potential regulations that are part of a package of proposed freshwater regulations set out in Action for healthy waterways: a discussion document on national direction for our essential freshwater. Read more -
September 2019This document sets out proposals for regulations for excluding stock from lakes, rivers and wetlands. Read more -
September 2019This document is an at a glance summary of the discussion document on national direction for freshwater. It provides an overview of proposals to stop the degradation of waterways and restore them to a healthy state. Read more -
September 2019This report sets out an economic analysis of modelled assessments of four potential options for managing the effects of farming on freshwater. Read more -
September 2019This report sets out the results of a modelling exercise that assessed the potential economic impacts of meeting a range of contaminant loads and attributes states for nitrogen, phosphorus, and sediment in the Ruamahanga catchment in Wairarapa. Read more -
September 2019This framework provides the approach to be used in completing the National Climate Change Risk Assessment (NCCRA). It includes the framing and templates, along with guidance materials that will be used to assess climate change risks at a national level. 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 -
September 2019This report examines how potential rules in a national environmental standard would impact the agricultural sector in terms of farm economics, and nitrogen and phosphorus discharges to water. Read more -
September 2019This data report provides an annual data picture of brassica grown in New Zealand. Read more -
September 2019This information sheet focuses on the potential impacts for livestock famers of proposals outlined in the Action for healthy waterways: Discussion document on national direction for freshwater. Read more -
September 2019This information sheet focuses on the potential impacts for growers of proposals outlined in the Action for healthy waterways: Discussion document on national direction for freshwater. Read more -
September 2019This report prepared by MRCagney informs work on understanding and measuring the wider costs and benefits of urban development under the Urban Growth Agenda. Read more -
September 2019This report summarises existing literature reviews on the effectiveness of erosion and sediment control interventions for agriculture and reviews factors of variation in their effectiveness. Read more