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Climate change timeline
Over two decades of international deliberations on climate change

  Year

Milestone
1979
1st World Climate Conference
- Climate as a vital natural resource
- Live in harmony with nature
- Governments should ‘foresee and prevent potential man-made changes in climate that might be adverse to the well-being of humanity’
1987 Brundtland Commission Report
- Need to adopt a sustainable development path that would help meet present needs while leaving enough resources to meet future needs.
Precedent set by successful negotiation of Montreal Protocol
1988 WMO and UNEP establish IPCC (Intergovernmental Panel on Climate Change)
1989 UN General Assembly Resolution calls for global summit on environment and development issues
1990 First Assessment Report of IPCC publised
UN General Assembly resolution establishes INC (Intergovernmental Negotiating Committee) to draft a framework convention
February 1991 to May 1992 Representatives of 160 nations negotiate key issues
- Commitments to emission targets
- Provisions for technology transfer and financial resources to developing countries
May 1992 INC adopts UNFCCC (United Nations Framework Convention on Climate Change)
June 1992 UNFCCC opened for signature at United Nations Conference on Environment and Development (Rio Earth Summit)
21 March 1994 UNFCCC comes into force on 21 March 1994
(ratified by 186 countries as of July 2002)
- No legally binding targets (Annex I countries to return to 1990 levels by the end of the decade)
- Submit National Communications
April 1995 First Conference of Parties (COP-1) in Berlin adopts the Berlin Mandate. New round of negotiations launched on a 'protocol or other legal instrument'
- No new commitments for non-Annex I countries
- Introduction of Activities Implemented Jointly (AIJ) - voluntary cooperative GHG-mitigation projects
December 1995 IPCC approves its Second Assessment Report. Its findings underline the need for strong policy action.
- The balance of evidence suggests a discernible human influence on global climate
- Significant 'no regrets' opportunities available
- Potential risk of damage sufficient to justify action beyond 'no regrets'
July 1996 COP-2 in Geneva takes note of the Geneva Ministerial Declaration, which acts as a further impetus to the on-going negotiations
- Scientific research provides basis for urgently strengthening action
- World faces significant, often adverse impacts from climate change
- Legally-binding significant overall reductions in GHG emissions to be negotiated by the next COP
December 1997 COP-3 meeting in Kyoto adopts the Kyoto Protocol to the UN Framework Convention on Climate Change
March 1998 Kyoto Protocol opened for signature at UN headquarters in New York.
Over a one-year period, it receives 84 signatures
November 1998 COP-4 meeting in Buenos Aires adopts the Buenos Aires Plan of Action setting out a programme of work on the operational details of the Kyoto Protocol and the implementation of the Convention. COP-6 set as deadline for adopting many important decisions
November 1999 COP-5 in Bonn sets an aggressive timetable to achieve measurable progress by COP-6 on the entry into force of the Kyoto Protocol
November 2000 COP-6 meets in The Hague, but fails to agree on a package of decisions under the Buenos Aires Plan of Action
July 2001 COP-6 part II (or COP-6b) resumes in Bonn. Parties adopt the Bonn Agreements, registering political consensus on key issues under the Buenos Aires Plan of Action. They also complete work on a series of detailed decisions, but some remain outstanding
October/November 2001 COP-7 in Marrakesh finalizes and formally adopts COP-6b decisions as the Marrakesh Accords
October/November 2002 COP-8 to be held in New Delhi