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January 2021This report describes a pilot study to validate methods and assess cost savings for the design of a large-scale replacement study of the 1998-2000 Quantitative Microbial Risk Assessment. Read more -
December 2020This report surveyed international frameworks, identified important lessons for outcome-based environmental management, and helps clarify what setting environmental limits and targets will require. Read more -
December 2020This report translates the planetary boundaries framework to show New Zealand’s global environmental connections and quantifies where our country sits in terms of operating within environmentally safe boundaries. Read more -
November 2020Our annual report 2019/20 provides information on how we’ve performed during 2019/20. Read more -
November 2020The Ministry for the Environment's Statement of Intent covers the years 2020 – 2025. Read more -
October 2020This report assesses the suitability of using New Zealand Rural Fire Authority’s Fire Danger Rating System as an indicator on wildfire risk for the Ministry for the Environment and Stats NZ’s environmental reporting. Read more -
October 2020This report describes the climate datasets that were supplied by NIWA for use in Our atmosphere and climate 2020, and outlines the methodologies used to generate them. Read more -
September 2020An evaluation report and compilation spreadsheet of available tools, databases and resources relating to the distribution of threatened freshwater species and their habitats in New Zealand. Read more -
August 2020This technical report provides further detail on the risk assessment findings of New Zealand's first national climate change risk assessment. It includes profiles of all the risks, opportunities and knowledge gaps identified. Read more -
August 2020This report documents the methodology used in the National Climate Change Risk Assessment and the associated engagement. It supports organisations to carry out their own national, local and regional risk assessments. Read more -
August 2020This report by Energy Link considers 11 methodologies for modelling the electricity allocation factor. Read more -
August 2020This guidance document sets out recommended practice for the design of instream infrastructure to provide for fish passage and to set the foundation for the improvement of fish passage management in New Zealand. Read more -
August 2020The New Zealand Threat Classification System provides a tool for assigning a threat status to candidate taxa. Read more -
August 2020This report describes methods used to assess deposited sediment including the SAM2 method that is prescribed in Table 14 of Appendix 2B of the National Policy Statement for Freshwater Management 2020. Read more -
August 2020This report describes the method used to calculate the average score per metric (ASPM) indicator score. Read more -
August 2020This guide provides information on how to apply to the Freshwater Improvement Fund. It outlines the eligibility and assessment criteria for funding, gives an overview of the application and funding process, and sets out other information you need for application. Read more -
August 2020This 2007 report evaluated the effects of air pollution in 67 urban areas across New Zealand on the 2001 population and ambient monitoring data. 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 2020This report presents the findings of New Zealand’s first National Climate Change Risk Assessment. It gives a national picture of the risks New Zealand faces from climate change to help prioritise action. Read more -
August 2020This report describes a prototype for a New Zealand River Ecosystem Health Scorecard, conceived as a simple, easily interpretable and holistic communication tool for the state of the biophysical condition of rivers and streams in New Zealand. Read more -
August 2020This report summarises the updated (2012) Health and Air Pollution in New Zealand (HAPINZ) study which evaluates the effects of air pollution on human health across New Zealand and the resulting social costs. Read more -
August 2020This report provides the technical information for the updated Health and Air Pollution in New Zealand (HAPINZ) study which evaluates the effects of air pollution on human health across New Zealand and the resulting social costs. Read more -
August 2020This document is a users’ guide to the health effects model underpinning the updated (2012) Health Air Pollution in New Zealand study. Read more -
July 2020This guide supports agencies to meet the Climate Implications of Policy Assessment requirement. Read more -
July 2020This summary outlines the principal reasons which led to the review of the resource management system and the Resource Management Review Panel’s main recommendations in their report. Read more -
July 2020New Directions for Resource Management in New Zealand is a comprehensive review of our resource management system. The review process was an opportunity to design a new system for resource management that delivers better outcomes for our environment, society, economy, and culture. Read more -
July 2020 -
May 2020This report estimates the potential impact of the National Policy Statement for Freshwater Management (2017) and the Essential Freshwater package on the dairy, beef and sheep farming sectors. Read more -
May 2020This document provides a high-level overview of the impact assessment for Action for healthy waterways including the objectives and scope, findings, parties involved, methodologies applied, and the limitations and constraints to the analysis. Read more -
May 2020This report assesses the costs of the Essential Freshwater Package relative to the existing National Policy Statement for Freshwater Management. Read more -
May 2020This memo sets out a technical review by NIWA of two reports relating to environmental impact assessment of Essential Freshwater policies. 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 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 -
May 2020This memo assesses whether councils would need to make changes to wastewater treatment in addition to those already identified in the Boffa Miskell report Cost estimates for upgrading wastewater treatment plants to meet objectives of the NPS freshwater. Read more -
May 2020This is the second of two Infometrics reports providing Māori economic impact analysis for the Essential Freshwater proposals. Read more -
May 2020This is the first of two Infometrics reports providing Māori economic impact analysis for the Essential Freshwater proposals. Read more -
May 2020This report uses a kaupapa Māori framework to assess the impacts of the 2019 freshwater proposals on Māori values relating to freshwater Read more -
May 2020This AgResearch report presents insights on the potential nature of social impacts emerging from freshwater policy changes based on past social impact assessments (SIAs). Read more -
May 2020A literature review of studies that jointly considered climate and freshwater policy in New Zealand. Read more -
May 2020This NIWA report summarises existing literature on the consequences of delaying reductions to nutrient inputs on rivers, estuaries and lakes. Read more -
May 2020This report builds on the report released by the Freshwater Science and Technical Advisory Group in June 2019. Read more -
May 2020This report identifies the expected benefits of the Essential Freshwater Package and examines whether they can be measured in monetary terms. 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 2020This report by Perrin Ag estimates the on-farm economic impact of a selection of measures to mitigate the effect of farming on freshwater ecosystem health. Read more -
May 2020This report scopes the potential development of a land-use intensity indicator for environmental reporting. 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 -
Further analyses of fine sediment attributes to support development of the NPS freshwater managementMay 2020These six technical reports detail analysis used to finalise the suspended and deposited sediment attributes for the National Policy Statement for Freshwater Management. Read more -
May 2020This report by the Freshwater Independent Advisory Panel makes a series of recommendations about the proposals outlined in the Action plan for healthy waterways consultation document. Read more -
April 2020In 2018, the Ministry asked Deloitte to consider the extent of water bottling in Aotearoa New Zealand NZ and the economic value of water bottling for water bottlers and communities. This report presents their findings. 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