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May 2018This report provides an environmental classification system for a potential deposited sediment indicator in the National Objectives Framework. The system classifies streams according to their modelled reference state. This report is an interim deliverable for an ongoing research programme that builds on and refines its findings and will conclude in June 2018. Read more -
March 2009This report summarises changes in fish communities in New Zealand rivers, including changes in relation to different land uses. Read more -
June 2008In late 2007 the Ministry contracted a sector expert to provide a summary of the range of risks, costs, benefits and advantages from applying emissions trading to emissions of hydrofluorocarbons (HFCs). The report considers several possible places on the HFC supply and emission chain. Read more -
December 2006This document provides a step-by-step protocol for the collection of groundwater samples in New Zealand. Read more -
May 2015Landcare Research was commissioned to undertake macroeconomic modelling on the economic cost of New Zealand’s Intended Nationally Determined Contribution. This report presents the findings of that analysis. 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 -
February 2017This report is a strategic assessment of New Zealand’s freshwaters for recreational use from a human health perspective. It outlines the methods used to produce spatial predictions of E. coli and cynobacterial biovolume at unmonitored locations. Read more -
April 2008This report draws together the results of general equilibrium modelling undertaken for the Emissions Trading Group since October 2007, previously described in a number of separate papers. Read more -
December 2007Briefing for the Climate Change Leadership Forum. Prepared by the Emissions Trading Group. 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 -
December 2006New Zealand's National Implementation Plan under the Stockholm Convention on Persistent Organic Pollutants sets out how New Zealand is meeting its obligations under this convention. Read more -
October 2005This report is an analysis of the economic impacts of climate change projections in New Zealand. Read more -
May 2019This report outlines recommended changes to the ‘Interim New Zealand Guidelines for Cyanobacteria in Recreational Fresh Waters’. Read more -
May 2019This report analyses seasonal patterns in river and lake water quality across New Zealand, using data from 2013–2017. Read more -
October 2007This paper presents a general equilibrium analysis of possible policies that would meet New Zealand’s emissions obligations, under the Kyoto first commitment period 2008-12 (CP1) and under some plausible international agreement in 2025. Read more -
November 2013This technical report provides evidence and advice used in setting the E. Coli attribute bands for secondary contact recreation in rivers and lakes. Read more -
May 2001This report, published in 2001, provides data on the concentrations of dioxins, PCBs and organochlorine pesticides in serum collected from New Zealanders aged 15 years and older. Read more -
May 2019This report reviews how mechanistic (process-based) models simulate periphyton biomass using algorithms describing known growth and loss processes based on nutrients, light, temperature, grazing, and physical factors. Read more -
October 2013The Ministry for the Environment commissioned ENVIRON Australia Pty Ltd, to investigate the practicalities of identifying, sorting and segregating plastics in the e-waste recycling industry, according to those components that contain banned brominated flame retardant (BFR) chemicals. Read more -
December 2007Briefing for the Climate Change Leadership Forum. Prepared by the Emissions Trading Group. Read more -
September 2007This paper sets out a prioritised Ministry work programme to help manage contaminated land. Read more -
May 2019This report summarises a workshop held to gather feedback on the ‘Interim New Zealand Guidelines for Cyanobacteria in Recreational Fresh Waters’. Read more -
April 2004This report estimates dioxin emissions from New Zealand foundry operations that melt and process scrap metals and alloys. Volume two comprises scientific test data. Read more -
April 2004This report estimates dioxin emissions from New Zealand foundry operations that melt and process scrap metals and alloys. Volume one is the emissions estimate report. Read more -
February 2021This report provides emission factors for use with grassland with woody biomass (GWB) within New Zealand’s greenhouse gas inventory. Read more -
January 2003As part of an ongoing contribution to New Zealand’s pre-ratification assessment of the Kyoto Protocol, ABARE was commissioned by the New Zealand Department of the Prime Minister and Cabinet to conduct policy analysis for a range of proposals. Read more -
April 2019This report summarises analysis methods and outcomes for state and trends across New Zealand’s lake water quality monitoring network. Read more -
April 2019This report summarises analysis methods and outcomes for state and trends across New Zealand’s river water quality monitoring network. Read more -
July 2009This report summarises changes in nuisance periphyton (algal) growth at National River Water Quality Network sites between 1990 and 2006. Read more -
February 2001This 2001 report is an independent appraisal of the health risks posed to New Zealanders by dioxin and dioxin-like polychlorinated biphenyls. The report contains recommendations on managing these chemicals in New Zealand, and the need to reduce population exposures. Read more -
September 2010This study reports on the use, recycling and disposal to landfill in New Zealand of articles containing brominated diphenyl ether (BDE) flame retardants. Read more -
April 2008The scoping report identifies potential environmental effects of the New Zealand Emissions Trading Scheme (NZ ETS) and closely related measures, potential response measures, and terms of reference for further work. Read more -
May 2019This report analyses environmental conditions that cause the growth of periphyton in streams and rivers. Read more -
June 2010This report takes a detailed look at New Zealand's trends towards 'total emissions' and the two main contributing factors that fluctuate these trends from year-to-year. 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 -
November 1998This 1998 report provides data on the levels of dioxins and PCBs in New Zealand retail foods, including dairy products, meat and fish, as well as other staple foods such as potatoes and cereals. 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 -
April 2015One of two reports that assessed the options and implications of using the Macroinvertebrate Community Index (MCI) as an attribute in the National Policy Statement for Freshwater Management. It looked at identifying potential threshold values to define numeric attribute states for MCI. Read more -
December 2013An investigation into the feasibility of using freshwater fish predictive models in national state of the environment indicators. Read more -
February 2012This independent report surveys literature on the regulation of chemical and biological risks in Australia, Canada, China, Japan, the European Union, the United Kingdom, and the United States. Read more -
June 2012This report identifies the key factors that influence businesses' decisions to innovate using new organisms in New Zealand. The aim of the project was to determine whether regulation for managing risks is an important determinant in such decisions. Read more -
September 2002This study measured dioxin in soils at residential properties in the New Plymouth suburb of Paritutu. It was undertaken because of longstanding community issues with the history of dioxin emissions from a chemical plant located in the suburb. Read more -
October 2018This document captures areas of shared interest in water quality and ecosystem health improvements and defines how the Crown and Māori will work together to make improvements to New Zealand’s freshwater. Read more -
June 2018The transition to a low-emissions economy will bring many costs and benefits. This report analyses the available evidence on the co-benefits (eg, health, congestion) of possible policies to reduce greenhouse gas emissions in New Zealand. Read more -
June 2003This 2003 report set out the Government's plan to the reduce cost of complying with the Hazardous Substances and New Organisms Act without compromising safety and the environment. Read more -
March 2021This report estimates the net emissions and removals from woody vegetation and drained organic soils occurring on sheep and beef farmland in New Zealand. Read more -
April 2014This report by Indufor Asia-Pacific describes the methodology used to complete deforestation mapping in New Zealand for the calendar years 2008 to 2012. It includes regional results and national statistics for the area of land deforested, harvested, or awaiting a land-use decision. Read more -
February 2001This 2001 report provides details about genetic modification (GM) research being conducted in New Zealand and ideas as to how GM and non-GM crops could coexist in New Zealand. Read more -
July 2001This report describes the result of an initial investigation into the impact of the introduction of a tradeable emissions permit regime for greenhouse gases. Read more -
February 2016This technical note sets out the results of macroeconomic modelling, by the New Zealand Institute of Economic Research, on the impacts of removing the New Zealand Emissions Trading Scheme one-for-two transitional measure at various carbon prices. Read more