The El Niño-Southern Oscillation (ENSO) is the most prominent interannual climate signal, affecting weather, ecosystems, and societies globally. ENSO is increasingly recognized as part of a broader, interconnected tropical climate system, involving interactions across ocean basins and other climate modes. This session invites contributions that address all aspects of ENSO and its pantropical climate interactions, both in observations and climate models. Topics include, but are not limited to, air-sea coupled dynamics, sub-seasonal-to-seasonal predictions, low frequency variations, externally forced changes, teleconnections, and impacts on various aspects of environment and society. Contributions that address the role of ENSO and pantropical climate interactions in shaping recent global surface temperature trends are also welcome.