U.N. General Assembly Embraces Court Opinion That Says Nations Have a Legal Obligation to Take Climate Action
The U.N. General Assembly voted 141-28 to adopt a resolution endorsing the International Court of Justice’s 2025 advisory opinion that nations have a legal obligation to address climate change, while eight countries—Belarus, Iran, Israel, Liberia, Russia, Saudi Arabia, the United States, and Yemen—voted against it. The resolution urges compliance with the ICJ’s ruling, which states that limiting global warming to 1.5 degrees Celsius is a legal duty and calls for fossil fuel phase-outs, though it remains nonbinding.
The United Nations General Assembly approved a climate justice resolution on Wednesday, overwhelmingly supporting a legal opinion from the International Court of Justice (ICJ) that nations must act on climate change. The 141-28 vote, with 28 abstentions and eight countries—Belarus, Iran, Israel, Liberia, Russia, Saudi Arabia, the United States, and Yemen—opposing it, followed a July 2025 ICJ advisory opinion that declared climate action a legal obligation under international law. The resolution, championed by Vanuatu, welcomes the ICJ’s unanimous ruling that states must limit global warming to 1.5 degrees Celsius and reduce greenhouse gas emissions, including by regulating private actors. It also warns that continued fossil fuel expansion could constitute an internationally wrongful act. The ICJ clarified that these duties apply to all countries, regardless of their participation in U.N. climate treaties, and that environmental protection is essential for human rights. The U.S. strongly opposed the resolution, calling it legally problematic and politically alarmist. Deputy U.N. Representative Tammy Bruce argued that the resolution’s demands on fossil fuels and climate obligations were inappropriate, stating it made ‘alarmist political statements’ rather than reflecting binding legal principles. The adopted resolution urges countries to comply with the ICJ’s guidance and implement measures to meet the 1.5-degree target, including transitioning away from fossil fuels. It also requests that the U.N. Secretary-General prepare a report on advancing compliance with these obligations. Legal experts view the ICJ’s opinion as authoritative, potentially influencing domestic climate litigation and future U.N. climate negotiations. While nonbinding, the resolution signals growing global recognition of climate action as a legal imperative, with 141 nations endorsing the ICJ’s stance.
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