To help maintain a broad understanding of the relationship between ozone depletion, ODSs, and the Montreal Protocol, this component of the Scientific Assessment of Ozone Depletion: 2010 presents 20 questions and answers about the often-complex science of
National Oceanic and Atmospheric Administration ,World Meteorological Organization,United Nations Environment Programme,et al. Twenty Questions and Answers about the Ozone Layer: 2010 update: scientific assessment of ozone depletion, 2010. 2011-01-01.