Remarks
The NDACC has been endorsed by national and international scientific agencies, including the United Nations Environment Program (UNEP) and the International Ozone Commission of the International Association of Meteorology and Atmospheric Sciences. NDACC is a major contributor to the Global Atmosphere Watch (GAW) Program of the World Meteorological Organization (WMO) and a key component of the Integrated Global Atmospheric Chemistry Observation (IGACO) initiative.