Unlocking UNCLOS

By advancing a more holistic vision of climate-relevant international law—one that seeks to harmonise but also allow for complementary interaction amongst the obligations set under different regimes—the ITLOS advisory opinion offers hope. It holds out the promise of a synergistic international legal response to climate change that better maps to the integrated and interconnected nature the ecosystems at stake and to the multi-pronged regulatory effort that will be needed to safeguard our climate system.

The ITLOS Advisory Opinion on Climate Change

On May 21, 2024, the International Tribunal for the Law of the Sea (ITLOS) delivered a long-awaited Advisory Opinion on climate change and international law. This marks the first time that an international tribunal has issued an advisory opinion on State obligations regarding climate change mitigation. The Advisory Opinion addresses several key questions regarding application of the United Nations Convention on the Law of the Sea (UNCLOS) in the context of climate change. There is much to explore in terms of both the content of the ITLOS advisory opinion and its potential implications for global, regional, and local efforts to combat climate change. To facilitate discussion and the exchange of ideas, the Sabin Center's Climate Law Blog and Verfassungsblog are partnering on a blog symposium on the ITLOS opinion. In this first, introductory blog, we outline the background to the advisory opinion and highlight some of the key takeaways from it.

La Oroya and Inter-American Innovations on the Right to a Healthy Environment

In La Oroya v. Peru, the Inter-American Court of Human Rights declared Peru responsible for violating several rights, including the right to a healthy environment, due to the environmental degradation and health crises in La Oroya—one of the world’s most polluted cities. Regarding the right to a healthy environment, the Court addresses for the first time pollution in air, water, and soil—marking a departure from previous cases that primarily focused on communal property rights and deforestation—and even goes as far as to refer to the right to a healthy environment as jus cogens. Such innovations would have not been possible without the ever-expanding horizon of Inter-American case law and approaches.

What Does the European Court of Human Rights‹ First Climate Change Decision Mean for Climate Policy?

On 9 April the European Court of Human Rights issued its first ever comprehensive decision in a climate litigation case. The ECtHR has set out clear directions for member states to follow to align their climate policies with human rights obligations. Domestic legislators across Europe must give these requirements serious consideration to ensure their climate laws not only meet these minimum standards but also effectively contribute to global climate goals. This is imperative for both environmental sustainability and the protection of fundamental human rights that climate change is affecting.

Climate, Constitution and Party Politics

Recent developments in Scotland in relation to climate targets have presented interesting questions for both constitutional and climate law.  After proudly announcing itself as a nation with world-leading targets for reducing greenhouse gas emissions and giving these legally binding status, now that it has been realised that the 2030 target will not be reached, that target has been abandoned.  In turn, this has been the catalyst for the break-up of the two-party arrangement that supported the government and the resignation of the First Minister who faced losing a vote of confidence.

Reparation for Climate Change at the ECtHR

The recent rulings on climate change by the European Court of Human Rights (ECtHR) are—as others have pointed out in this blog symposium—both “historic and unprecedented” for various reasons, not least regarding the question of reparation for climate change-related harm. While redress is a pivotal question to think through in relation to climate change, it has, somewhat surprisingly, received less attention from scholars and has not yet been directly addressed by international courts and tribunals. In this regard, Verein KlimaSeniorinnen Schweiz and Others v. Switzerland might be considered a missed opportunity on the part of the ECtHR.

Not a Disaster, but a Missed Opportunity

Following lengthy negotiations within Germany’s coalition government, on 26 April 2024, the Bundestag passed an amendment to the Federal Climate Protection Act. One part of the amendment in particular has drawn sharp criticism from environmental NGOs, experts, and commentators: the abolition of annual, sector-based targets for greenhouse gas emissions reduction, which form the basis of the obligation for ministries to submit ‘immediate action programmes’ (Sofortprogramme). We argue that many critics overestimated the effectiveness of the Sofortprogramm mechanism, as enshrined in the original version of the KSG, in enforcing Germany's ambitious climate targets. Instead, we must realistically assess the potential, and limits, of institutional design to deliver ambitious climate policy.

KlimaSeniorinnen and Gender

This blog post discusses the relevance of the KlimaSeniorinnen case to the discussion of vulnerability and intersectional gender in climate litigation. To date, very few climate cases have addressed the gendered dimensions of climate change and there was some hope that this case would. However, as this post argues, despite the fact that KlimaSeniorinnen is a case about the impacts of climate change on elderly women, the Court fails to meaningfully engage with gender as a determinant of the harms suffered by individuals. Gender remains an overlooked issue in climate litigation.

The Genre-Bending of Climate Litigation in India

In a widely acclaimed judgment, India recently saw its first climate ruling issued by the Supreme Court. The Court derived the right to be free from the adverse effects of climate change from Article 21 and Article 14 of the Constitution. The ruling of the Supreme Court has been classified in this blog as an important step in connecting human rights and climate change. In this blog post, I offer another overarching route that cases connected to climate change in India have taken, which is genre-bending in that they use environmental litigation as the pathway to also address climate change.

KlimaSeniorinnen and the Question(s) of Causation

In Verein Klimaseniorinnen Schweiz and Others v Switzerland, the European Court of Human Rights makes many general statements about the nature of climate change and different actors’ roles in addressing it. Many points have been addressed in this blog symposium. In my blog post, I turn to a more technical aspect of the judgment, namely the question of causation. I will untangle the analytical gymnastics that the Court performs regarding this question. I will argue that the reasoning regarding causation is confusing and that it is not clear how specifically the ‘real prospect’ test is applied for finding a breach.