Advisory Opinion

On 20 May 2026, the United Nations General Assembly adopted resolution A/80/L.65 welcoming the Advisory Opinion of the International Court of Justice (ICJ) on the Obligations of States in Respect of Climate Change. The draft, tabled by Vanuatu and a cross-regional Core Group attracted 90 co-sponsors and was adopted by a recorded vote of 141…

Mexico’s effort to hold the gun industry to account has now encountered an institutional setback in San José. Its request for an advisory opinion raised six questions before the Inter-American Court of Human Rights (IACtHR). This post examines, against a more expansive account of OC-30/25 offered here, whether laws granting public or private arms-industry companies…

Criminal organizations finance, procure, broker, transport, and illegally distribute U.S.‑made weapons throughout Latin America and the Caribbean to fuel political violence in the region. Latin America is experiencing a surge of violence that is neither spontaneous nor locally contained. It is engineered—manufactured, trafficked, and laundered through a hemispheric supply chain that begins overwhelmingly in the United States and…

For a long time, the obligation to co-operate occupied an ambiguous position in international law. It appeared in diverse treaty regimes and institutional contexts, yet it was seldom recognised as an autonomous, self-standing obligation, i.e., as a general duty of customary nature, underpinning the various legal regimes, and as a genuine legal obligation in its own right. One…