Advisory Opinion

20 posts

The ICJ’s Advisory Opinion on Climate Change: Key Takeaways from the 2024 Hearing (Part 3)

This blog post is Part 3 of a three-part series highlighting the main legal arguments presented during the hearings of the International Court of Justice (ICJ) on the request for an advisory opinion regarding the obligations of States with respect to climate change. Part 1 focused on discussions on applicable […]

The ICJ’s Advisory Opinion on Climate Change: Key Takeaways from the 2024 Hearing (Part 2)

This blog post is Part 2 of a three-part series highlighting the main legal arguments presented during the hearings of the International Court of Justice (ICJ) on the advisory opinion request related to States’ obligations regarding climate change. Part 1 focused on discussions regarding applicable law, and the no-harm rule. […]

The ICJ’s Advisory Opinion on Climate Change: Key Takeaways from the 2024 Hearings (Part 1)

On March 29, 2023, the United Nations General Assembly (UNGA) adopted a resolution requesting an advisory opinion from the International Court of Justice (ICJ) on States’ obligations regarding climate change. This request was widely seen as an opportunity for the Court to clarify States’ legal obligations, advance climate justice, and […]

‘Relevant Rules’ as Normative Environment: Harmony vs Cacophony in the ITLOS Advisory Opinion on Climate Change

On 21 May 2024, the International Tribunal for the Law of the Sea (ITLOS) delivered its much anticipated Advisory Opinion on Climate Change. Other blog-posts have already dealt with various aspects of the Advisory Opinion (see, for instance, here and here), including the Tribunal’s approach to interpreting the United Nations […]

More than a Sink: The ITLOS Advisory Opinion on Climate Change and State Responsibility

The oceans absorb large quantities of the carbon dioxide emitted by human activities. This “sink” function is so significant that, until 1957, one objection to a causal link between anthropogenic emissions and global warming was that the oceans would absorb most of the excess CO2, thus breaking this link. That […]

Finding Light in Dark Places: Specific Obligations for Climate Change and Ocean Acidification Mitigation

  Can the new advisory opinion interpreting the United Nations Convention on the Law of the Sea (UNCLOS) move us beyond the lethargy of unmet climate change policy needs? The International Tribunal for the Law of the Sea (the Tribunal, ITLOS) established the gravity of this question by stating that […]

ITLOS and the importance of (getting) external rules (right) in interpreting UNCLOS

The Advisory Opinion handed down by the International Tribunal for the Law of the Sea (ITLOS) on 21 May 2024 is truly remarkable. Its clarification that all anthropogenic greenhouse gas (GHGs) emissions, from any source, constitute marine pollution has potentially far-reaching consequences. Under the United Nations Convention of the Law […]