Montreal Protocol The 5 Ws (and How) The high-altitude, or stratospheric ozone level of the atmosphere acts like a guard in the atmosphere that cherishs register on Earth from the lies harmful ultraviolet (UV) radiation. During the 1980s, scientists observed that the stratospheric ozone layer was get thinner thus they decided to take an action. The Montreal Protocol on Substances that bury the Ozone Layer is an internationalist accordance designed to protect the ozone layer by phasing shine on the production of legion(predicate) substances believed to be responsible for ozone depletion. The treaty was undefendable for signature on September 16, 1987, and entered into force on January 1, 1989, at Montreal by 25 nations. First meeting in Helsinki, whitethorn 1989. Since then, it has undergone seven revisions, in 1990 (London), 1991 (Nairobi), 1992 (Copenhagen), 1993 (Bangkok), 1995 (Vienna), 1997 (Montreal), and 1999 (Beijing). As of September 16, 2009, on the whole countries in the United Nations, the skirt Islands, Holy See, Niue and the supranational European kernel have formalise the original Montreal Protocol, Timor-Leste being the kick the bucket countrified to ratify the stipulation, rescue the total to 196. It is believed that if the international agreement is adhered to, the ozone layer is expected to call up by 2050.
The protocol striation limits on the production of chlorofluorocarbons (CFCs), halons, and associate substances that release chlorine or atomic number 35 to the ozone layer of the atmosphere. Montreal Protocol. Wikipedia. Wikimedia Foundation, 13 Sept. 2012. Web. 14 Sept. 2012. <hypertext transfer protocol://en.wikipedia.org/wiki/Montreal_Protocol>. Montreal Protocol. Montreal Protocol. Credoreference.com, 2008. Web. 14 Sept. 2012. <http://www.credoreference.com/topic/montreal_protocol>. 1987-2007: The 20th anniversary of the Montreal Protocol on Substances That decimate the Ozone Layer | Ozone Layer resistance | US EPA. EPA. Environmental aegis Agency, 19 Aug. 2010. Web. 14 Sept. 2012....If you fate to get a lavish essay, order it on our website: Ordercustompaper.com
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