Two major legal advocacy groups representing hundreds of environmental lawyers have launched a landmark lawsuit against the New Zealand government, accusing it of failing to take meaningful action to address climate change. The groups—Lawyers for Climate Action NZ and the Environmental Law Initiative—filed judicial review proceedings in Wellington’s High Court on Tuesday, marking the first legal challenge to the country’s emissions reduction plan.
The lawsuit targets New Zealand’s official strategy for achieving net-zero carbon emissions by 2050, alleging that the government’s current roadmap is “dangerously inadequate” and falls short of its legal and ethical responsibilities under climate law and international obligations. The plaintiffs argue that the plan leans too heavily on carbon offsetting through forestry and neglects more direct and sustainable measures to reduce greenhouse gas emissions.
In a move that could set a global precedent, the case is believed to be the first in the world to specifically challenge the widespread use of forestry as a means to offset carbon emissions. This could have far-reaching implications, as many countries currently count on planting trees and managing forests as a key part of their net-zero strategies. Critics argue that this approach can be unreliable, temporary, and vulnerable to climate-related threats such as wildfires, pests, or changes in land use.
Representing more than 300 legal professionals, the two legal groups claim that the New Zealand government has effectively sidelined a broad suite of tools available to reduce emissions, choosing instead to rely on high-risk, unproven, or insufficiently robust methods. They also allege that the government failed to meet its obligation to meaningfully consult with the public, particularly Māori communities, about the details and impacts of the plan.
According to documents shared exclusively with The Guardian, the legal filing outlines multiple grounds for the challenge:
- Overreliance on Carbon Offsets: The government’s strategy is seen as overly dependent on forestry-based carbon sequestration, which the plaintiffs argue does not provide a permanent or secure solution to emissions reduction.
- Failure to Use Available Tools: The claim asserts that the government has disregarded a wide range of policy options and regulatory mechanisms that could reduce emissions more directly, such as transitioning to clean energy, implementing stricter vehicle emissions standards, or promoting public transportation.
- Lack of Transparency and Public Engagement: The lawsuit contends that the government did not adequately involve the public in shaping the emissions reduction plan, falling short of procedural fairness and democratic accountability.
- Legal and Scientific Deficiency: The groups argue that the emissions plan is inconsistent with the requirements of New Zealand’s Climate Change Response Act and does not align with the latest climate science or the country’s international commitments under the Paris Agreement.
Speaking to media, representatives from both legal organizations emphasized that they are not seeking to obstruct climate action, but to ensure that the government’s policies are legally sound, scientifically credible, and socially just.
“This isn’t about stopping action—it’s about demanding the right kind of action,” said a spokesperson for Lawyers for Climate Action NZ. “We can’t afford to waste time on plans that look good on paper but won’t deliver real reductions.”
The case will now proceed through the High Court’s judicial review process, where a judge will determine whether the government’s emissions plan complies with the law and whether any revisions are required.
Climate advocates and legal experts around the world are watching the case closely, as it could influence how other countries structure their emissions strategies and the degree to which courts are willing to intervene in climate policy.