Copenhagen Amendment

Copenhagen Amendment
Name	Copenhagen Amendment
Long name	Copenhagen Amendment to the Montreal Protocol
Date signed	1992-11-11
Location signed	Copenhagen, Denmark
Parties	Parties to the Montreal Protocol
Context	Ozone depletion negotiations

Copenhagen Amendment The Copenhagen Amendment was a significant international agreement adopted at the 1992 United Nations Environment Programme meeting in Copenhagen, aiming to accelerate controls under the Montreal Protocol on Substances that Deplete the ozone layer. It tightened schedules for phase-outs, added new controlled substances, and established financial and technical assistance mechanisms involving the Multilateral Fund for the Implementation of the Montreal Protocol. The amendment brought together parties including the United States, European Union, Japan, and developing countries represented through the Group of 77, negotiating implementation timelines and compliance procedures.

Background and Context

In the late 20th century, scientific evidence from the World Meteorological Organization and the United Nations Environment Programme linked chlorine and bromine compounds to stratospheric ozone depletion and the Antarctic ozone hole. The original Montreal Protocol (1987) created a framework for phasing out chlorofluorocarbons under control of the Vienna Convention for the Protection of the Ozone Layer regime. Pressure from environmental advocacy groups such as Greenpeace and research institutions including the British Antarctic Survey and the National Aeronautics and Space Administration intensified calls for stronger measures. Diplomatic momentum culminated in treaty negotiation sessions hosted by the United Nations system and convened in Copenhagen, where scientific assessments from the Intergovernmental Panel on Climate Change and the Scientific Assessment of Ozone Depletion informed policy choices.

Negotiation and Adoption

Negotiations involved delegations from industrialized parties like the Organisation for Economic Co-operation and Development members and developing parties coordinated by the Alliance of Small Island States and the G77 and China. Key technical inputs were provided by the Technology and Economic Assessment Panel established under the Montreal Protocol and by national agencies including the United States Environmental Protection Agency and Japan’s Ministry of the Environment (Japan). Disputes arose over baseline years, control schedules, and exemptions for essential uses advocated by representatives of the aircraft industry and the pharmaceutical sector. The Multilateral Fund administered by the United Nations Development Programme, the United Nations Industrial Development Organization, and the World Bank became central to bridging developed-developing country divides. The amendment was adopted in Copenhagen with consensus among parties and subsequently opened for ratification by national legislatures such as those of the United Kingdom, Canada, and Australia.

Key Provisions and Commitments

The amendment expanded the list of controlled substances to include additional chlorofluorocarbons and halons, and it accelerated reduction schedules for methyl bromide and other ozone-depleting substances under Annexes to the Montreal Protocol. It set differentiated control timetables for Article 2 parties and Article 5 parties, providing transition periods for India, China, and other developing economies. The text codified provisions for essential-use exemptions submitted by entities like the World Health Organization for certain medical applications and by the International Civil Aviation Organization for aerospace needs. It strengthened reporting obligations to the Ozone Secretariat and enhanced non-compliance procedures administered by the Protocol’s Meeting of the Parties. Financial commitments included contributions to the Multilateral Fund by donor parties such as Germany, France, and the United States to support technology transfer and implementation projects administered through bilateral partners including the Japan International Cooperation Agency.

Implementation and Impact

Following entry into force, national implementation required legislative and regulatory action by signatory states, with ministries such as the Ministry of Environment (Denmark) and the United States Congress overseeing compliance mechanisms. Industrial responses included reformulation efforts by manufacturers like DuPont and Honeywell and shifts towards alternatives promoted by the European Commission through eco-labeling and procurement policies. The amendment’s timelines contributed to measurable declines in atmospheric concentrations of targeted halogenated compounds monitored by the Global Atmosphere Watch network and by satellite missions such as NASA’s Total Ozone Mapping Spectrometer successors. The Multilateral Fund financed projects in countries including Brazil, South Africa, and Mexico to replace ozone-depleting technologies in refrigeration and agriculture sectors.

Criticism and Controversy

Critics from trade associations such as the International Chamber of Commerce and some national industry groups argued that accelerated phase-outs imposed economic burdens on manufacturers and agricultural producers in countries like Argentina and Thailand. Environmental NGOs including Friends of the Earth contended that exemptions for essential uses were too expansive and undermined ozone protection goals. Disputes emerged over alleged delays in disbursements from the Multilateral Fund and over the adequacy of technology transfer facilitated by institutions like the World Bank and the United Nations Development Programme. Some scientists debated the amendment’s adequacy in addressing short-lived substances and interactions with climate change forcing agents discussed at United Nations Framework Convention on Climate Change meetings.

Subsequent Developments and Legacy

The Copenhagen Amendment set a precedent for later adjustments and amendments, influencing decisions at subsequent Meeting of the Parties sessions and paving the way for the Montreal Amendment and the Beijing Amendment. It reinforced the Montreal Protocol’s adaptive mechanism, later recognized by the Nobel Prize awarded to the Protocol’s champions and by accolades from the United Nations Environment Programme. Implementation lessons informed cooperative mechanisms in other multilateral environmental agreements and contributed to the Protocol being described as among the most successful international environmental treaties. Long-term monitoring by institutions including the World Meteorological Organization and National Oceanic and Atmospheric Administration continues to track recovery trajectories of the stratospheric ozone layer in line with commitments first strengthened in Copenhagen.

Category:Environmental treaties Category:Ozone depletion