4. The Atmosphere
Ahrens, D.C. (2003). Meteorology today: an introduction to weather, climate, and the environment. CA,
United States of America: Thompson Learning, pp 3
7. Ozone Depleting Compounds
A F A M I L Y O F M A N - M A D E C O M P O U N D S T H A T
H A V E B E E N S H O W N T O D E P L E T E T H E
S T R A T O S P H E R I C O Z O N E
18. The Montreal Protocol- Provisions
Chlorofluorocarbons (CFCs), halons, carbon
tetrachloride, and methyl chloroform--are to be phased
out by 2000 (2005 for methyl chloroform)
Freeze at 1986 levels in mid 1989 and 20% cut in 1993
Production and consumption of CFC-11, CFC-12, CFC-
113, CFC-114, CFC- 115 were to be reduced by 50% of
the 1986 levels by 1998
Production of halon-1211, halon-1301 and halon-2402
were to be brought back to 1986 levels by 1992
19. Montreal Protocol- Developing Countries
“Article 5 Countries”
Given additional 10 years to comply
Allowed to increase consumption by 0.3kg per capita
in the interim
26. Sources
Ahrens, D.C. Meteorology today: an introduction to weather, climate, and the environment. CA,
United States of America: Thompson Learning, 2003.
Environment Canada, Ozone Science 2007: a Canadian contribution to the twentieth anniversary
of the Montreal Protocol. C.T. McElroy and D.R. Francis. 2007.
Makhijani, A., Gurney, R.A. Mending the Ozone Hole: science, Technology, and Policy.
Cambridge: the MIT Press, 1995.
UNEP, "The Ozone Story." 2000.ozone.unep.org/Events/EDs_pres_ozoneday.ppt (accessed
November 9, 2010).
UNEP, “Ozone Secretariat: Evolution of the Montreal Protocol.” 2004.
http://ozone.unep.org/Ratification_status/evolution_of_mp.shtml (accessed November 9,
2010).
US EPA, “Glossary of Climate Change terms.” 2009.
http://www.epa.gov/climatechange/glossary.html#O (accessed November 21, 2010).
Volders, G.J.M., Anderson, S.O., Daniel, J.S. Fahey, D.W., McFarland, M. "The importance of the
Montreal Protocol in protecting climate." PNAS 104, no. 12 (2007): 4814-4819.