UCAR - The University Corporation for Atmospheric Research is a nonprofit consortium of more than 130 North American colleges and universities focused on research and training in Earth system science. As a hub for the Earth system sciences, UCAR provides access to cutting-edge resources and services, accelerates scientific discoveries, and amplifies their impact. UCAR manages the U. S. National Center for Atmospheric Research (NCAR) on behalf of the National Science Foundation (NSF). The organization offers educational and training programs, data and software services, and supports scientific programs, fostering opportunities for students, early career scientists, and professionals. UCAR is dedicated to community building through platforms like UCAR Commons and advocates for advances in Earth system science research.