Smart GiveAway


SCCN is bringing Smart GiveAway for the students of Higher Education Institutions. The 20 deserving students will receive the special document of 'Twenty Questions and Answers about the Ozone Layer', prepared by World Meteorological Organization (WMO), United Nations Environment Programme (UNE), National Oceanic and Atmospheric Administration (NOAA), National Aeronautics and Space Administration (NASA), and European Commission with Ross J Salawitch as Lead Author. The publication is co-authored by David W Fahey, Michaela I Hegglin, Laura A McBride, Walter R Tribett and Sarah J Doherty.

About the document:

The document is a component of Scientific Assessment of Ozone Depletion 2018 report. The report is prepared quadrennially by the Scientific Assessment Panel (SAP) of the Montreal Protocol on Substances that Deplete the Ozone Layer. This 2018 edition of the 20 Questions document is the fourth update of the original edition that appeared in the 2002 Assessment Report.

The motivation behind the scientific publication is to tell the story of ozone depletion, ozone-depletion substances and the success of the Montreal Protocol. The questions and answers format divide the narrative into topics that can be read and studied individually by the intended audience of specialists and non-specialists. The topics range from the most basic (e.g., What is ozone?) to more recent developments (e.g., the Kigali Amendment). Each Question begins with a short answer followed by a longer, more comprehensive answer. Figures enhance the narrative by illustrating key concepts and results. This concept is principally based on scientific results presented in the 2018 and earlier Assessment Reports and has been extensively reviewed by scientists and non-specialists to ensure quality and readability.

We believe that the winners will find this 20 Questions and Answers edition of value in communicating the scientific basis of ozone depletion and the success of the Montreal Protocol in protecting the ozone layer and future climate.

Click here to participate and win your copy of 20 QnA about the Ozone layer.

Last date of the contest is 5th February 2020 

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Air Quality Service

Today : 22-02-2020



Leading Pollutant : PM 10




PM 10 103
PM 2.5 22

Health Advisory: Very sensitive people should consider reducing longer/heavy exertion and heavy outdoor work.

Health Risk: Minor health issues for sensitive people, no problem to he general public.