A major international bilateral co-funding research call launched to strengthen global climate research collaborations and build a sustainable future. The initiative supports mission-driven joint research proposals designed to unlock critical environmental insights under two primary thematic areas: 1. Theme 1: Advancing understanding, modelling, and prediction of extreme events in a changing climate (Call opening on 17 November 2026). 2. Theme 2: Unlocking a safe operating space for Antarctica and the Southern Ocean (Call opening on 20 April 2027). Selected collaborative initiatives receive financial and technical co-funding support routed structurally through the Ministry of Earth Sciences for the Indian consortium partners.