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Unit Outline
1. Introduction to Montreal Protocol
2. Categories of ODS
3. Phasing Out ODS
4. Conclusion
The Montreal Protocol
• The Montreal Protocol on Substances that Deplete the
Ozone Layer is an international treaty designed to protect
the ozone layer by phasing out the production of
numerous substances believed to be responsible for ozone
depletion.
• The treaty was opened for signature on September 16,
1987, and entered into force on January 1, 1989, followed
by a first meeting in Helsinki, May 1989. Since then, it has
undergone seven revisions, in 1990 London, 1991 Nairobi,
1992 Copenhagen, 1993 Bangkok, 1995 Vienna, 1997
Montreal, and 1999 Beijing.
• It is believed that if the international agreement is adhered
to, the ozone layer is expected to recover by 2050.
• Developed and developing countries have different phase
out schedules .
Ratification Status
• Vienna Convention for the Protection of the
Ozone Layer signed in 1985
• Montreal Protocol adopted in 1987
• 191 countries have signed the Montreal
Protocol including all the CARIFORUM
countries
Ozone Layer
Ozone is a gas that is naturally
present in the atmosphere.
The large amount of ozone in
the part of the upper
atmosphere known as the
stratosphere is often referred
to as the “ozone layer”
Ozone Depletion
• The ozone layer is destroyed by
ozone-depleting substances (ODS)
when those chemicals are released
into the atmosphere and then react
with the ozone molecules.
• Elevated ultraviolet radiation reaching
the earth as a result of ozone
depletion can have major impacts on
life and nature, including skin cancer
and cataracts and weakened immune
systems.
• It also can damage terrestrial plant
life, including crops, and aquatic
ecosystems.
Ozone Depletion Affected
Areas on Earth
What are Ozone depleting
substances (ODS)
1. Chemicals that potentially deplete
the ozone layer
2. Contain chlorine or bromine
atoms
3. Have long atmospheric life
Examples:
 Chlorofluorocarbons (CFCs) e.g. CFC-12
(aka R-12 or F-12)
 Halons (Bromochlorofluorocarbons) e.g.
Halon 1301
 Carbon tetrachloride
 Methyl chloroform
 Hydrochlorofluorocarbons (HCFCs) e.g.
HCFC-22 (aka R-22 or F-22)
 Hydrobromofluorocarbons (HBFCs)
 Bromochloromethane
 Methyl bromide
Main uses of ODS
Refrigerants (gases)
Fire extinguishers
Fumigants, pesticides
Foam-blowing agents
Cleaning solvents
Aerosol propellants
Air-conditioning systems
(and components)
Refrigerators/freezers
Compressors
Vehicles (mobile air-
conditioning systems)
Insulating boards/pipe
covers
Metered-dose inhalers
(medical inhalers
Some Effects of Ozone Layer Depletion
Human Health
Damages DNA which suppresses immune
system resulting in increase in infectious
diseases eg Skin Cancer; Eye Cataracts
Plants & Trees
Reduces crop production, damage to seeds
Reduces quality of crops
Aquatic Organisms
Damage to plankton, aquatic plants, fish
larvae, shrimp, crabs
Affects marine food chain
Materials
degrades paints, rubber, wood, & plastics,
especially in tropical regions
Ground Level Smog
Increase in the formation of Ground level
ozone as a pollutant
Climate Change
Global Warming
Phasing out ODS
Parties to the Montreal Protocol must freeze, reduce
and phase out their production and consumption of
ODS according to a specific step-wise schedule.
- Approaches:
 Production Control
 Consumption Control
 Trade, Import, export and reimport control
 Adaptation to Ozone Friendly technology
 Training and Capacity Building
Phase-out Mandates of the Montreal Protocol
Ozone depleting
Substance Consumption
= Imports + production
– Exports
developed Country
(Article 2 Parties) (this
schedule will be applicable for
USA CANADA
Article 5 Parties
developing Country
(Mexico)
CFCs 100% phase out
Jan. 1st, 1996
Base level: 1995-97
Freeze in Consumption:
Jan 1st, 1999
50% Cut-2005
85% Cut-2007
Phase out: Jan. 1st 2010
Halons 100% phase out
Jan. 1st, 1994
Base level: 1995-97
Freeze in Consumption:
Jan 1st, 1999
50% Cut-2005
Phase out: Jan. 1st 2010
Methyl Bromide Phase out 2005 Base level: 1995-98
Freeze in Consumption:
Jan 1st, 2001
20% Cut-2005
Phase out: Jan. 1st 2015
HCFCs Consumption Reduction Schedule
For Article 2(Developed),Article 5(Developing)Countries
Phase-out Schedule for INDIA
as per Montreal Protocol
Ozone-depleting
substance
Total Phase-out by
CFCs 2010
Halons 2010
HBFCs 1996
CTC 2010
Methyl Chloroform 2015
Methyl Bromide 2015
HCFCs 2040
Monitoring
Most developing countries do not produce
ODS and are completely dependent on ODS
imports.
Consequently, monitoring the legal trade and
preventing the illegal trade of these chemical
is crucial to achieving the gradual phase-out
of ODS and conversion to non-ODS
alternatives.
Results to date
• The Montreal Protocol is working.
There is clear evidence of a decrease in
the atmospheric burden of ozone-
depleting substances in the lower
atmosphere and in the stratosphere;
• Some early signs of the expected
stratospheric ozone recovery are also
evident.
• Furthermore, if the Parties were to
eliminate all emissions of ozone
depleting substances soon after 2006,
it would advance by about 15 years
(from around 2050 to 2035) the global
ozone layer recovery to pre-1980 levels
16
Without the Montreal Protocol by 2030
17
Bibliography
www.unep.org
www.moef.nic.in
www.google.co.in/images
en.wikipedia.org

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Montreal protocol

  • 1.
  • 2. Unit Outline 1. Introduction to Montreal Protocol 2. Categories of ODS 3. Phasing Out ODS 4. Conclusion
  • 3. The Montreal Protocol • The Montreal Protocol on Substances that Deplete the Ozone Layer is an international treaty designed to protect the ozone layer by phasing out the production of numerous substances believed to be responsible for ozone depletion. • The treaty was opened for signature on September 16, 1987, and entered into force on January 1, 1989, followed by a first meeting in Helsinki, May 1989. Since then, it has undergone seven revisions, in 1990 London, 1991 Nairobi, 1992 Copenhagen, 1993 Bangkok, 1995 Vienna, 1997 Montreal, and 1999 Beijing. • It is believed that if the international agreement is adhered to, the ozone layer is expected to recover by 2050. • Developed and developing countries have different phase out schedules .
  • 4. Ratification Status • Vienna Convention for the Protection of the Ozone Layer signed in 1985 • Montreal Protocol adopted in 1987 • 191 countries have signed the Montreal Protocol including all the CARIFORUM countries
  • 5. Ozone Layer Ozone is a gas that is naturally present in the atmosphere. The large amount of ozone in the part of the upper atmosphere known as the stratosphere is often referred to as the “ozone layer”
  • 6. Ozone Depletion • The ozone layer is destroyed by ozone-depleting substances (ODS) when those chemicals are released into the atmosphere and then react with the ozone molecules. • Elevated ultraviolet radiation reaching the earth as a result of ozone depletion can have major impacts on life and nature, including skin cancer and cataracts and weakened immune systems. • It also can damage terrestrial plant life, including crops, and aquatic ecosystems.
  • 8. What are Ozone depleting substances (ODS) 1. Chemicals that potentially deplete the ozone layer 2. Contain chlorine or bromine atoms 3. Have long atmospheric life Examples:  Chlorofluorocarbons (CFCs) e.g. CFC-12 (aka R-12 or F-12)  Halons (Bromochlorofluorocarbons) e.g. Halon 1301  Carbon tetrachloride  Methyl chloroform  Hydrochlorofluorocarbons (HCFCs) e.g. HCFC-22 (aka R-22 or F-22)  Hydrobromofluorocarbons (HBFCs)  Bromochloromethane  Methyl bromide
  • 9. Main uses of ODS Refrigerants (gases) Fire extinguishers Fumigants, pesticides Foam-blowing agents Cleaning solvents Aerosol propellants Air-conditioning systems (and components) Refrigerators/freezers Compressors Vehicles (mobile air- conditioning systems) Insulating boards/pipe covers Metered-dose inhalers (medical inhalers
  • 10. Some Effects of Ozone Layer Depletion Human Health Damages DNA which suppresses immune system resulting in increase in infectious diseases eg Skin Cancer; Eye Cataracts Plants & Trees Reduces crop production, damage to seeds Reduces quality of crops Aquatic Organisms Damage to plankton, aquatic plants, fish larvae, shrimp, crabs Affects marine food chain Materials degrades paints, rubber, wood, & plastics, especially in tropical regions Ground Level Smog Increase in the formation of Ground level ozone as a pollutant Climate Change Global Warming
  • 11. Phasing out ODS Parties to the Montreal Protocol must freeze, reduce and phase out their production and consumption of ODS according to a specific step-wise schedule. - Approaches:  Production Control  Consumption Control  Trade, Import, export and reimport control  Adaptation to Ozone Friendly technology  Training and Capacity Building
  • 12. Phase-out Mandates of the Montreal Protocol Ozone depleting Substance Consumption = Imports + production – Exports developed Country (Article 2 Parties) (this schedule will be applicable for USA CANADA Article 5 Parties developing Country (Mexico) CFCs 100% phase out Jan. 1st, 1996 Base level: 1995-97 Freeze in Consumption: Jan 1st, 1999 50% Cut-2005 85% Cut-2007 Phase out: Jan. 1st 2010 Halons 100% phase out Jan. 1st, 1994 Base level: 1995-97 Freeze in Consumption: Jan 1st, 1999 50% Cut-2005 Phase out: Jan. 1st 2010 Methyl Bromide Phase out 2005 Base level: 1995-98 Freeze in Consumption: Jan 1st, 2001 20% Cut-2005 Phase out: Jan. 1st 2015
  • 13. HCFCs Consumption Reduction Schedule For Article 2(Developed),Article 5(Developing)Countries
  • 14. Phase-out Schedule for INDIA as per Montreal Protocol Ozone-depleting substance Total Phase-out by CFCs 2010 Halons 2010 HBFCs 1996 CTC 2010 Methyl Chloroform 2015 Methyl Bromide 2015 HCFCs 2040
  • 15. Monitoring Most developing countries do not produce ODS and are completely dependent on ODS imports. Consequently, monitoring the legal trade and preventing the illegal trade of these chemical is crucial to achieving the gradual phase-out of ODS and conversion to non-ODS alternatives.
  • 16. Results to date • The Montreal Protocol is working. There is clear evidence of a decrease in the atmospheric burden of ozone- depleting substances in the lower atmosphere and in the stratosphere; • Some early signs of the expected stratospheric ozone recovery are also evident. • Furthermore, if the Parties were to eliminate all emissions of ozone depleting substances soon after 2006, it would advance by about 15 years (from around 2050 to 2035) the global ozone layer recovery to pre-1980 levels 16
  • 17. Without the Montreal Protocol by 2030 17