New Zealand Moves To Shield Companies From Private Climate Lawsuits

New Zealand plans to amend the Climate Change Response Act 2002 to block private climate liability claims against companies over emissions-related harm.
The change would apply to current and future proceedings, including a High Court case against six major emitters set for trial next year.
The move could reshape corporate climate risk in New Zealand, while raising governance concerns over access to courts and accountability.

New Zealand’s government plans to change climate law to stop courts from finding companies liable in private cases for harm linked to greenhouse gas emissions.

Justice Minister Paul Goldsmith said the government would amend the Climate Change Response Act 2002. The change would apply to both current and future court proceedings.

That includes a High Court case brought by climate activist Michael Smith against six major emitters. The defendants include dairy giant Fonterra Co-operative Group.

The case is due to go to trial next year. It alleges the companies’ emissions contributed to climate change and harmed Smith’s land, interests, and cultural rights.

The planned amendment puts New Zealand into a growing global debate. Courts in Europe, the United States, Australia, and other jurisdictions are facing more climate lawsuits. Many test whether companies can face direct liability for emissions and the damage linked to global warming.

For boards and investors, the issue goes beyond litigation. It touches corporate risk, fiduciary duty, policy certainty, and the future shape of climate accountability.

Goldsmith Says Climate Claims Belong In Parliament

Goldsmith said private climate litigation risks weakening business confidence and investment.

“The courts are not the right place to resolve claims of harm from climate change,” Goldsmith said.

He argued that tort law is not suited to the complex mix of environmental, economic, and social issues involved in climate change.

The government said New Zealand’s response should sit with parliament, the country’s Emissions Trading Scheme, and existing climate legislation.

That position reflects a clear governance choice. The government wants climate policy handled through statutory frameworks, not case-by-case civil claims. For companies, that could reduce exposure to novel lawsuits. It may also give executives more certainty over how climate obligations are measured.

However, critics are likely to see the move differently. They may argue that removing a court pathway limits public scrutiny and weakens pressure on high-emitting sectors.

The government said the change would not alter its own duties under climate legislation. It also said businesses would still need to meet their obligations under the ETS.

A Test Case For Climate Accountability

Smith’s case has drawn attention because it seeks to use private law to address climate harm. It argues that corporate emissions form part of a broader chain of damage affecting land, cultural rights, and personal interests.

Such cases are difficult because climate change is cumulative and global. Emissions come from many actors over long periods. Yet plaintiffs around the world increasingly argue that large emitters should not be insulated from legal responsibility because the problem is complex.

That is why New Zealand’s proposed amendment matters outside its borders. It could become a reference point for governments trying to contain climate litigation while maintaining formal climate policy systems.

For investors, the case raises a wider question. Should climate risk be managed only through regulation and carbon markets, or can courts also impose duties on companies whose emissions contribute to harm?

The answer could affect how boards assess transition plans, disclosure exposure, and long-term legal risk.

ClientEarth Warns Against Restricting Court Access

International campaign group ClientEarth criticized the government’s move, calling it “deeply concerning.”

“The International Court of Justice has affirmed that states have a legal obligation to address climate harm, and people must be able to test those obligations in court. Restricting access to courts is bad for justice, bad for the environment, and bad for democracy and the rule of law.”

The group’s response points to a deeper tension in climate governance. Governments want policy tools that balance emissions cuts with economic stability. Civil society groups want legal routes to challenge slow action and seek remedies for harm.

That tension is now central to global ESG risk. Climate strategy is no longer only about targets, offsets, and reporting. It is also about legal defensibility, public trust, and the balance of power between courts and legislatures.

New Zealand’s proposed law change may offer companies short-term certainty. But it also raises hard questions for policymakers. As climate impacts intensify, restricting private claims could become politically and legally contentious.

For executives and investors, the takeaway is clear. Climate liability risk is moving fast, and governments are now shaping the boundaries of that risk as actively as courts. In New Zealand, that boundary may soon shift toward parliament and carbon markets, and away from private courtroom claims.