Thomas Patrick Coohill a member of the Review Committee of the United Nations for the Montreal Protocol on Substances that Deplete the Ozone Layer. His speciality is the effects of ultraviolet radiation on cells and viruses. He has published over 100 reviewed articles, book chapters, and books. He is a sought after consultant to industry and governments and has been a featured speaker in over 40 countries. Coohill is the recipient of several awards, including a Sigma Xi National Lectureship (twice), The Order of St. Michael (humanitarian), the meritorious RA Award from the American Society for Photobiology, and Outstanding Teacher and Researcher. He
Montreal Protocol Layer, especially Executive Committee (ExCom) 53/37 and ExCom 54/39, Parties to this Protocol agreed to set year 2013 as the time to freeze the consumption and production of HCFCs for developing countries. For developed counties, reduction of HCFC consumption and production began in 2004 and 2010, respectively, with 100% reduction set for 2020. Developing countries agreed to start reducing its consumption and production of HCFCs by 2015, with 100% reduction set for 2030.<br><br> Hydrochlorofluorocarbons, commonly known as HCFCs, are a group of man-made compounds containing hydrogen, chlorine, fluorine and carbon. They are not found anywhere in nature. HCFC production began