ClientEarth tests the reach of environmental law in public accountability cases
- Editorial Team SDG16
- 3 minutes ago
- 5 min read
Published on 24 August 2026 at 05:21 GMT
By Editorial Team SDG16
Environmental law litigation has become an increasingly visible route for testing whether governments and companies are meeting duties already contained in legislation, regulation and corporate law. ClientEarth, a non-profit environmental law organisation, operates within that field through litigation, legal advocacy, research and policy work. Its cases range from air pollution and habitat protection to climate plans, green claims and corporate decision-making.
The organisation’s work tests whether environmental commitments can be applied through legal processes that require institutions to explain how their conduct accords with the law. That does not mean every case succeeds. Courts determine questions of standing, evidence, procedure and institutional competence before, or sometimes instead of, reaching the environmental merits. ClientEarth’s record therefore illustrates both the expanding role of strategic environmental litigation and the legal boundaries around it.
A legal organisation with a broad portfolio
The Charity Commission for England and Wales records ClientEarth as registered charity number 1053988. Its stated objects include protecting the environment for public benefit through law, providing legal assistance, promoting education on environmental rights and responsibilities, and conducting research. The organisation describes advocacy, litigation and research as its principal methods.
ClientEarth’s 2024 annual report states that it launched 22 litigation cases and managed 131 pending cases during that year. It also reported a wider portfolio of 220 active matters at stages ranging from preparation to pending proceedings, alongside 57 advocacy files in Europe. Those figures are the organisation’s own reporting and cover different stages and forms of legal work, rather than 220 court judgments.
The reported subjects included access to information, greenhouse-gas reductions, environmental assessment, wildlife and habitat protection, financing, company disclosure, greenwashing, deforestation and plastic pollution. ClientEarth said it was a named claimant in just under half of the pending cases, while its involvement elsewhere included legal input or funding for partners. This distinction matters because public-interest litigation often depends on local claimants, community organisations and lawyers with standing in the relevant jurisdiction.
Its work also extends beyond filing claims. The 2024 report describes policy advocacy and legal capacity-building, including engagement with judges and lawmakers in Asia. Such activity places litigation within a wider strategy: court proceedings can interpret or enforce existing rules, while legislative and administrative processes determine much of the framework that courts later apply.
What a successful climate case can establish
In April 2024, the Grand Chamber of the European Court of Human Rights delivered its judgment in Verein KlimaSeniorinnen Schweiz and Others v Switzerland. ClientEarth participated as a third-party intervener, but it was not an applicant. The applicant association represented older women who argued that insufficient climate action exposed them to serious heat-related risks.
The Court found that Switzerland had violated Article 8 of the European Convention on Human Rights because of critical gaps in the domestic regulatory framework and failures to act in time and consistently on climate mitigation. It also found a violation of the association’s right of access to a court under Article 6. The four individual applicants did not meet the Court’s strict victim-status threshold, while the association had standing under criteria developed for the climate context.
The judgment demonstrated that a human-rights court can review whether a state has put an adequate mitigation framework into practice. It also preserved limits. The Court said states retain a wide margin of appreciation over the means chosen to meet climate objectives, and it distinguished an eligible representative association from a general public-interest complaint. The result was therefore neither a judicial climate plan nor unrestricted access to court for any applicant.
The Shell case and procedural limits
ClientEarth encountered a different boundary in its derivative claim against the directors of Shell plc. As a shareholder, it sought permission to continue proceedings on Shell’s behalf, alleging that the board had breached duties under the Companies Act 2006 in its management of climate risk and energy transition strategy.
In July 2023, the High Court of England and Wales refused permission. The judgment accepted that Shell faced material and foreseeable climate-related risks, but concluded that ClientEarth had not established a prima facie case that the directors were managing those risks in breach of their legal duties. It emphasised directors’ discretion in deciding how to promote the success of a company and the statutory threshold governing derivative claims. The Court of Appeal later refused permission to appeal.
ClientEarth criticised the outcome and argued that the courts had missed an opportunity to clarify directors’ duties in relation to climate risk. That is the organisation’s position, not a finding of the court. The judgment illustrates that scientific evidence or transition risk does not automatically establish director liability. Corporate-law cases also turn on procedural rules, the claimant’s evidence and the discretion that company law gives boards.
Accountability without a guaranteed verdict
The contrast between the Strasbourg judgment and the Shell proceedings shows why climate accountability through courts is not a single legal pathway. Human-rights law, administrative law, consumer law and company law provide different causes of action, remedies and tests for standing. A favourable ruling in one field does not remove the thresholds in another.
Litigation can require disclosure, invalidate an unlawful policy, clarify a duty or change the incentives facing public and private decision-makers. It can also fail at an early stage, produce a narrow ruling or leave implementation to governments and regulators. Even successful applicants may return to court or oversight bodies if compliance remains disputed.
This work relates to SDG 16 (peace, justice and strong institutions), particularly its focus on accountable institutions and access to justice. The connection does not imply that litigation alone delivers environmental protection. It identifies the institutional question at the centre of ClientEarth’s work: whether environmental rules can be invoked, examined and enforced through lawful processes.
ClientEarth pursues cases across jurisdictions, but the outcome of any claim depends on more than the organisation bringing it. The governing law, the facts, the claimant’s standing, judicial independence and subsequent implementation shape the result. Its cases show environmental litigation functioning as a test of accountability, with outcomes that can extend legal protection, expose gaps or confirm the limits of a particular route.
Further information:
• ClientEarth, 2024 annual report and financial statements, supports the organisation’s reported litigation portfolio, advocacy activity and strategic approach.
• Charity Commission for England and Wales, ClientEarth charity record, verifies its registration, stated charitable objects and principal activities.
• European Court of Human Rights, Grand Chamber rulings in the climate change cases, supports the findings and admissibility distinctions in the KlimaSeniorinnen judgment.
• Courts and Tribunals Judiciary, ClientEarth v Shell, provides the High Court judgment and its reasoning on the derivative claim.
