Intergovernmental panel on climate change
Official title: Intergovernmental Panel on Climate Change (IPCC)
- Subject category:
- Climate Change
- Type of agreement / instrument:
- Multilateral Voluntary Instrument
- Cooperative Forum
- Canada has been a member of the IPCC since its establishment by the United Nations Environment Programme and the World Meteorological Organization in 1988.
- Lead & partner departments:
- Environment and Climate Change Canada
- Agriculture and Agri-Food Canada, Fisheries and Oceans Canada, Crown-Indigenous Relations and Northern Affairs Canada , Global Affairs Canada, Health Canada and Natural Resources Canada
- For further information:
- Compendium edition:
- October 2018
- Reference #:
Plain language summary
Climate change is one of the major challenges of our time adding considerable stress to societies and the environment. In addition, the impacts of climate change are global in scope and unprecedented in scale. Such impacts will affect many aspects of our lives in Canada and around the world. Tackling climate change is a complex challenge requiring sound science to inform government decisions, policies and activities. The IPCC is the leading international body for the scientific assessment of climate change. Through its various reports, the IPCC provides the scientific evidence needed to help policy makers and others make decisions on how to adapt to and reduce the impacts of climate change. Canada has been an active participant in the IPCC since 1988.
The IPCC is the leading international body for the assessment of climate change. Its objective is to conduct policy-relevant assessments of the scientific basis of climate change; climate change impacts and risks; and options for adaptation and mitigation. IPCC assessments provide decision-makers with scientific information that is policy-relevant yet policy-neutral. They inform national climate policy and negotiations under the United Nations Framework Convention on Climate Change (UNFCCC).
The IPCC is comprised of 195 member countries. Government representatives from each country convene at Plenary Sessions of the IPCC to take decisions on the governance and scientific work of the organization. Decisions on the scientific and technical aspects of the IPCC are supported by guidance from the IPCC Bureau, the scientific advisory body of the IPCC.
The work of the IPCC is organized in three Working Groups, which respectively focus on "the Physical Science Basis of Climate Change", "Climate Change Impacts, Adaptation and Vulnerability" and "Mitigation of Climate Change". In addition, the IPCC has a Task Force on National Greenhouse Gas Inventories that develops and refines methodology for calculating and reporting greenhouse gas emissions and removals. Thousands of scientists from around the world, including many from Canada, contribute to the work of the IPCC on a voluntary basis as authors, contributors and reviewers.
The IPCC will continue to produce the most comprehensive and authoritative scientific assessments of climate change during the Sixth Assessment Report cycle (2015-2022). In addition to the core Sixth Assessment Report, the IPCC is developing three Special Reports to advance understanding on specific climate change issues. They include the Special Reports on: (1) Global Warming of 1.5 °C (SR1.5) (released on October 6, 2018); (2) Ocean and Cryosphere in a Changing Climate (2019) and (3) Climate Change, Desertification, Land Degradation, Sustainable Land Management, Food Security, and Greenhouse gas Fluxes in Terrestrial ecosystems (2019) = The first special report will inform a facilitative dialogue among Parties of the UNFCCC in 2018 to take stock of progress towards the long-term goal to keep global warming below 2 °C. The two remaining Special Reports being developed in AR6 will be released in 2019.
The IPCC will also complete in 2019 a Methodology Report for quantifying annual emissions and removals reported in national greenhouse gas inventories, which will provide UNFCCC Parties with updated guidance to ensure consistent, science-based approaches to meet inventory-reporting requirements. Eight Canadians are contributing as authors or editors to the preparation of this report.
Canada has been an active member of the IPCC since its inception, holding leadership positions on the IPCC Bureau and the Task Force Bureau on Greenhouse Gas Inventories and making significant scientific contributions to the IPCC’s assessment reports. Canada sees the IPCC’s scientifically robust, comprehensive and policy-relevant information as essential to facilitating sound global action on climate change mitigation and adaptation.
Canada also provides consistent financial support to the IPCC ($300,000/year) and ranks among the top 10 contributors to the IPCC’s Trust Fund. This funding is directed towards supporting the participation of developing country scientists in the work of the IPCC. Environment and Climate Change Canada’s Assistant Deputy Minister of Science and Technology is the Canada’s Focal Point and head of delegation for the IPCC.
Results / progress
At the launch of the IPCC’s Sixth Assessment Report cycle in October 2015, two Environment and Climate Change Canada scientists were elected to serve in leadership roles: Dr. Gregory Flato as member of the IPCC Bureau and Dr. Dominique Blain as member of the Task Force Bureau on National Greenhouse Gas Inventories.
The scoping phase of the Sixth Assessment Report cycle is complete. Many Canadian experts are contributing significantly to the Report as authors. This involvement strengthens representation of Canadian interests and will enhance the policy-relevance of IPCC products for Canadian decision-makers.
The SR1.5 was released on October 6, 2018. It is a significant document for the world and for Canada. It assesses the impacts of global warming of 1.5 °C above pre-industrial levels and global greenhouse gas emission pathways to limit warming to 1.5 °C, in the context of strengthening the global response to the threat of climate change, sustainable development, and efforts to eradicate poverty. The report stresses the need for ambitious action on climate change in order to meet global targets.
The IPCC’s Fifth Assessment Report was completed in November 2014. The process involved over 800 scientific authors (including 28 Canadian scientists) and drew upon more than 30,000 scientific publications. During the Fifth Assessment Report cycle, the IPCC also produced two special reports on 1) Managing the Risks of Extreme Events and Disasters to Advance Climate Change Adaptation and 2) Renewable Energy Sources and Climate Mitigation.
In October 2018, Canada participated at the 48th Session of the Intergovernmental Panel on Climate Change and the First Session of Working Groups I, II and III, which focused on the approval of the draft Summary for Policy Makers (SPM) for SR1.5 and acceptance of the underlying technical report. Canada played an important role at the meeting to help reach consensus on the SPM, ensure consistency with the underlying report and maintain the scientific integrity of the SPM approval process.
As the most comprehensive and authoritative scientific assessment of climate change to date, the IPCC’s Fifth Assessment Report has played an important role in informing national and international climate change policy, including negotiations and policy formulation in support of the UNFCCC’s Paris Agreement, which was ratified by Canada in October 2016.
In November 2015, climate scientists Dr. Gregory Flato (Environment and Climate Change Canada) and Mr. Alain Bourque (Ouranos) provided a presentation on climate change science to Prime Minister Justin Trudeau, Cabinet Ministers, and provincial and territorial Premiers. The briefing was strongly rooted in IPCC findings and provided foundational information for the Pan-Canadian Framework on Clean Growth and Climate Change, which was launched in December 2016.
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