In spite of the general climate of uncertainty that exists almost world‐wide about future funding for atmospheric research, the International Association of Meteorology and Atmospheric Sciences (IAMAS) continues to serve as a focal point and clearinghouse for both fundamental and applied research, principally through its sponsorship of meetings and symposia.At the recent International Union of Geophysics and Geodesy Assembly in Boulder, Colo., IAMAS jointly sponsored a number of symposia and sessions spanning the breadth and depth of the IAMAS involvement in science. Ranging from ocean and atmosphere‐global change through clouds, convection and large scale flows, radiation budget studies and land surface process modeling, to remote sensing algorithms in hydrology, the effects of Pinatubo, equatorial atmosphere and ionosphere interactions, middle atmosphere dynamics and chemistry, and climate variability and forcing, the interdisciplinary nature of IAMAS involvement is obvious. Even the “IAMAS only” sponsored sessions, on such topics as tropospheric ozone, atmospheric electrodynamics, the boundary layer and its mesoscale impact, stratospheric processes and their role in climate, and atmosphere‐ocean behavior have interdisciplinary complexities and are of major importance to humanity and the sustainability of the environment.