Montreal Protocol The 5 Ws (and How) The high-altitude, or stratospheric ozone level of the nimbus acts like a shield in the automatic teller machine that protects biography on Earth from the suns subtle ultraviolet (UV) radiation. During the 1980s, scientists observed that the stratospheric ozone layer was getting thinner thus they resolved to take an action. The Montreal Protocol on Substances that bury the Ozone stratum is an world-wide 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 drive on January 1, 1989, at Montreal by 25 nations. First impact inÂ 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 countri es in the United Nations, the Cook Islands, Holy See, Niue and the international European kernel have ratified the original Montreal Protocol, Timor-Leste universe 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.Â Wikipedia. Wikimedia Foundation, 13 Sept. 2012. Web. 14 Sept. 2012. <hypertex! t transfer protocol://en.wikipedia.org/wiki/Montreal_Protocol>. Montreal Protocol.Â 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 point | Ozone Layer safeguard | US EPA.Â 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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