Climate Change Response (Zero Carbon) Amendment Act 2019

Climate Change Response (Zero Carbon) Amendment Act 2019
Sodacan · CC BY-SA 3.0 · source
Short title	Climate Change Response (Zero Carbon) Amendment Act 2019
Enacted by	New Zealand Parliament
Territorial extent	New Zealand
Date enacted	2019
Status	Current

Climate Change Response (Zero Carbon) Amendment Act 2019 establishes a statutory framework for New Zealand to respond to climate change by setting long‑term targets, creating emissions budgeting, and reforming institutional arrangements. The Act integrates scientific advice into law, mandates neutralisation of biogenic methane, and creates a process for periodic emissions trading and policy advice. It intersects with international commitments such as the Paris Agreement, and has prompted debate across political parties, environmental groups, industry associations, and the judiciary.

Background and legislative context

The Act emerged amid debates involving Jacinda Ardern, James Shaw, Green Party of Aotearoa New Zealand, Labour Party (New Zealand), and the New Zealand National Party during the 2017–2019 parliamentary term. It followed advice from the Climate Change Commission (New Zealand) precursor bodies and international assessments by the Intergovernmental Panel on Climate Change. Preceding instruments included the Emissions Trading Scheme (New Zealand), earlier amendments to the Climate Change Response Act 2002, and submissions from stakeholders such as Federated Farmers of New Zealand, BusinessNZ, Greenpeace Aotearoa New Zealand, and the Royal Society Te Apārangi. Parliamentary debates referenced comparative legislation like the UK Climate Change Act 2008, Australia's state initiatives, and the European Green Deal discourse. Treaty considerations involved the Treaty of Waitangi and submissions from iwi including Ngāi Tahu and Ngāti Whātua.

Key provisions

Major provisions created or amended statutory objects, duties, and institutional processes. The Act established the Climate Change Commission (New Zealand) as an independent adviser, set a framework for five‑year emissions budget cycles, required preparation of emissions reduction plans, and mandated consideration of indigenous knowledge via engagement with iwi and hapū. It defined distinct obligations for biogenic methane, created a target for net zero greenhouse gas emissions (excluding specified methane), and required periodic reporting to Parliament by Ministers including the Minister for Climate Change. The Act modified the interaction with the New Zealand Emissions Trading Scheme and specified that domestic law must have regard to scientific evidence from bodies such as the IPCC.

Targets and emissions budgeting

The Act set a long‑term target of net zero emissions of long‑lived greenhouse gases by 2050 while providing a separate pathway for biogenic methane with interim reductions by 2030 and 2050. It required the Commission to recommend emissions budgets for successive five‑year periods, creating a statutory mechanism similar to the UK Committee on Climate Change. The budgeting process linked to national reporting under the Paris Agreement and required Ministerial decisions to accept or differ from Commission advice, with reasons recorded in Cabinet papers and statements to Parliament of New Zealand.

Governance and institutional arrangements

Institutional architecture included the statutory independence of the Climate Change Commission (New Zealand), specified appointment processes, term lengths for Commissioners, and transparency obligations including public consultation. The Act amended roles across portfolios including the Minister of Finance (New Zealand), the Minister for Primary Industries (New Zealand), and local authorities such as Auckland Council in relation to adaptation planning. It embedded processes for integrating mātauranga Māori via engagement arrangements with iwi authorities and required coordination between central agencies such as the Ministry for the Environment (New Zealand) and Ministry of Business, Innovation and Employment.

Implementation and compliance mechanisms

Implementation relied on a combination of statutory duties, reporting requirements, and alignment with market mechanisms like the New Zealand Emissions Trading Scheme. Compliance tools included mandated emissions budgets, ministerial directives, and pathways for regulatory measures in sectors including agriculture, energy, transport, and forestry—engaging actors such as Fonterra, Genesis Energy, Air New Zealand, and regional councils. The Act enabled monitoring and review via the Commission and required transparency through Nationally Determined Contribution reporting under the UNFCCC. Financial and fiscal implications involved coordination with the Treasury (New Zealand).

Reception, criticism, and legal challenges

Reception was mixed: advocates including 350.org and Forest & Bird praised statutory targets and Commission independence, while industry groups such as Beef + Lamb New Zealand and some agricultural representatives criticized methane provisions. Political opposition from the New Zealand First caucus and sectors represented by BusinessNZ highlighted concerns over economic impacts and rural equity. Legal challenges and judicial review actions referenced statutory interpretation, Treaty compliance, and the adequacy of consultation with iwi; courts considered submissions invoking principles from cases in New Zealand and comparative jurisprudence such as litigation in Australia and Netherlands (e.g., State of the Netherlands v Urgenda Foundation).

Impact and subsequent developments

The Act has shaped subsequent policy instruments including emissions pricing adjustments in the New Zealand Emissions Trading Scheme, sectoral strategies for agriculture and energy, and planning guidance for local authorities under the Resource Management Act 1991 reforms. The Climate Change Commission's budgets and advice influenced Budget considerations by Treasury and policy decisions by Cabinets led by Jacinda Ardern and successors. Internationally, the Act became referenced in comparative studies by the United Nations Environment Programme and academic analyses at institutions such as the University of Auckland and Victoria University of Wellington. Ongoing debates concern implementation, interactions with trade partners including Australia and China, and the balance between rapid decarbonisation and rural livelihoods involving communities such as Ngāpuhi and industries like dairy farming.

Category:New Zealand climate change law