Université Paris-Saclay

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Route de l'Orme des Merisiers

91190 Saint Aubin


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The 43rd session of the Intergovernmental Panel on Climate Change held in Nairobi (Kenya, 11-13 April 2016) decided on the strategy and timeline for its next series of reports including the Sixth Assessment Report (AR6). The Panel responded positively to the invitation from the United Nations Framework Convention on Climate Change (UNFCCC) and 21st climate conference of parties (COP21) to produce in 2018 a special report on the impacts of global warming of 1.5°C above pre-industrial levels and related global greenhouse gas emission pathways. It also agreed to further develop this concept and prepare two other special reports on: climate change and oceans and the cryosphere; and on climate change, desertification, land degradation, sustainable land management, food security, and greenhouse gas fluxes in terrestrial ecosystems. These issues are not only highly relevant to policymakers and broader audiences. But, they are areas where the IPCC can bring further clarity to the growing volumes of scientific research through its assessments. These will be produced as early as possible in the AR6 cycle. The IPCC also decided to pay special attention to regional scale details, when the outlines of AR6 are drawn up, particularly to the impacts of climate change on cities and their unique adaptation and mitigation challenges and opportunities. Preparations for the main AR6 report, which is expected to be released in three working group contributions in 2020/2021 and a Synthesis Report in 2022, will start later this year. Work on drawing up the outlines of the special report on 1.5°C will now start with a call for experts to scope the report.