Historic Win for a South Korean Youth in Climate Change Court Case, Paving the Way for Climate Lawsuits in Asia

In a significant development for the region, the South Korean Constitutional Court has ruled that the government's climate targets are unconstitutional. This landmark decision, a first of its kind in Asia, has sent a clear message that climate action is a legal duty, according to Sarah Mead, Co-Director of the Climate Litigation Network.

The unanimous verdict marks the end of a four-year legal battle initiated by young activists from The Youth 4 Climate Action. One-third of the plaintiffs were children or teenagers at the time of the filings, underscoring the growing concern among younger generations about the impact of climate change.

The South Korean government had pledged to slash greenhouse gas emissions by 40% from 2018 levels by the decade's end, a target that the court deemed sufficient. However, the government currently does not have legally binding targets to cut emissions between 2031 and 2049. The court ruled that the absence of such targets means the government cannot guarantee the protection of future generations' rights, as engrained in the constitution.

The government was given until February 2026 to set firm carbon-reduction targets for 2031 and beyond. The ruling is considered a significant victory that will have a positive ripple effect throughout the region and provide support to similar cases worldwide.

Similar climate litigation cases are underway in various countries across the region, following the South Korean court's lead. In Indonesia, 14 individuals have lodged a complaint with the National Human Rights Commission, alleging that the government is infringing on their constitutional rights by not implementing adequate climate change measures. They claim to have faced "life-threatening hazards, reduced physical and mental well-being, increased health risks, food and water insecurity, along with disruption to their education and livelihoods" due to climate change.

Japan has also seen its first-ever youth climate lawsuit filed by a group of young activists against 10 major Japanese thermal power companies. Meanwhile, in Taiwan, a climate litigation case is awaiting resolution in the Constitutional Court, filed by Greenpeace East Asia, the Environmental Jurists Association, and four individual plaintiffs.

Elsewhere in the world, the European Court of Human Rights has ruled in favour of a group of elderly Swiss women, known as KlimaSeniorinnen, who sued over their country's failure to reduce greenhouse gas emissions.

Environmental groups CAN Europe and the Global Legal Action Network (GLAN) have also sued the European Commission over alleged inadequate emission reduction targets. The outcome of these cases could further shape the legal landscape for climate action across the globe.

As these legal battles unfold, it is clear that the fight for climate action is not just a political or social issue, but a legal one as well. The South Korean Constitutional Court's ruling has set an important precedent for the region, demonstrating that the rights of future generations must be protected and that climate action is a legal duty.

Historic Win for a South Korean Youth in Climate Change Court Case, Paving the Way for Climate Lawsuits in Asia