Montreal Protocol

Montreal Protocol The 5 Ws (and How) The high-altitude, or stratospheric ozone aim of the nimbus acts like a shield in the breeze that protects biography on Earth from the suns prejudicious ultraviolet (UV) radiation. During the 1980s, scientists observed that the stratospheric ozone layer was getting thinner so they resolved to take an action. The Montreal Protocol on Substances that bury the Ozone spirit level is an international treaty designed to protect the ozone layer by phasing come on the production of numerous substances believed to be obligated for ozone depletion. The treaty was undefendable for signature on family line 16, 1987, and entered into surprise on January 1, 1989, at Montreal by 25 nations. First group 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, all coun tries in the United Nations, the Cook Islands, Holy See, Niue and the supranational European kernel have ratified the original Montreal Protocol, Timor-Leste be the last countrified to ratify the agreement, bringing the total to 196. It is believed that if the international agreement is adhered to, the ozone layer is expected to recover by 2050. The communications protocol set limits on the production of chlorofluorocarbons (CFCs), halons, and related substances that release atomic number 17 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 twentieth Anniversary of the Montreal Protocol on Substances That Deplete the Ozone grade | Ozone La yer safeguard | US EPA. EPA. Environmental! Protection Agency, 19 Aug. 2010. Web. 14 Sept. 2012....If you want to get a lavish essay, order it on our website: OrderCustomPaper.com

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