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United
Nations Environment Programme |
Adjustments to Montreal Protocol
The Montreal Protocol was adjusted to accelerate the phase out schedules of substances that deplete the ozone layer on the basis of periodic scientific and technological assessments. Hence, adjustments to the Protocol were introduced in London in 1990, Copenhagen in 1992, Vienna in 1995, Montreal in 1997, and Beijing in 1999.
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Adjustment |
Control Measure |
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London Adjustment |
Tightened Controls on Annex A (brought the phase-out dates to earlier dates). |
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Copenhagen Adjustment |
Further Tightened Controls on Annex A & Tightened Controls on Annex B. |
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Vienna Adjustment |
Tightened Controls on Annex E, revised ODP of Methyl Bromide and revised baselines for Article 5 Parties. |
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Montreal Adjustment |
Further Tightened Controls on Annex E. |
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Bejing Adjustment |
Revised Allowances for meeting the Basic Domestic Needs of Article 5 Parties. |
