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Overview: Mitigation of Climate Change UNFCCC COP 6 Part Two Special Event, July 2001

IPCC Third Assessment Report. Overview: Mitigation of Climate Change UNFCCC COP 6 Part Two Special Event, July 2001. Structure and operation of IPCC. Plenary: all (>150) countries. Wg I. Wg II. Wg III. TFInv. housands. Bureau, Secretariat, TSUs.

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Overview: Mitigation of Climate Change UNFCCC COP 6 Part Two Special Event, July 2001

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  1. IPCC Third Assessment Report Overview: Mitigation of Climate Change UNFCCC COP 6 Part Two Special Event, July 2001

  2. Structure and operation of IPCC Plenary: all (>150) countries Wg I Wg II Wg III TFInv housands Bureau, Secretariat, TSUs Expert and GovernmentReviewers (thousands) Scientific authors (hundreds of CLAs, LAs, CAs)

  3. The TAR WG 3 process • Broad array of disciplines, geographical balance of authors: 150 lead authors, 80 contributing authors, over 300 reviewers, 64 authors from developing countries • 3 year process which involves four lead author meetings and several chapter meetings • One expert review and an expert/government review • 19 review editors were involved to ensure the inclusion of review comments • SPM was approved and underlying report accepted unanimously by IPCC WG 3 plenary in Accra, Ghana, March, 2001

  4. Inputs to the Report • The assessment used over 4000 peer reviewed literature and publicly available relevant reports • Previous IPCC reports, including Special Report on Aviation and the Atmosphere, Technology Transfer, Emission Scenarios, and LULUCF • The results of ten expert meetings on specialised topics

  5. Structure of the report (1) • Setting the stage: climate change and sustainable development • GHG mitigation scenarios and implications • Technological and economic potentials • energy and industrial options • biological options • Barriers and opportunities

  6. Structure of the report (2) • Policies, measures and instruments • Mitigation cost and ancillary benefits • Costing methodologies • Global, regional and national costs and ancillary benefits • Sector costs and ancillary benefits • Decision making frameworks

  7. Main messages (1) • There is a strong link between sustainable development, environmental management and climate change mitigation • Technologies are presently available, in the short term, to stop the growth of global GHG emissions and, in the long term, to limit climate change impacts

  8. Main messages (2) • The costs of implementing the Kyoto Protocol can be kept low, provided implementation is done efficiently; • Long-term costs depend on the choice of stabilisation level, baseline and the timing of mitigation

  9. Main messages (3) • The problem of controlling emissions is to overcome the many political, economic, social and behavioural barriers to implement mitigation options • Decision making on climate change is risk management; for low level stabilisation, early mitigation action is needed • Integrating mitigation and sustainable development policies improves the prospect of achieving stabilization and sustainable development goals

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