Table 275 in ca, northeast of brazil, and parts of the andean region, increases in temperature and decreases in rainfall could decrease the productivity in the short term by 2030, threatening the food security of. A special report of working group iii of the intergovernmental panel on climate change. Climate change 2007, the fourth assessment report ar4 of the united nations intergovernmental panel on climate change, is the fourth in a series of reports intended to assess scientific, technical and socioeconomic information concerning climate change, its potential effects, and options for adaptation and mitigation. Climate change and the sustainable development agenda. The writing teams suggestions for consideration by the ipcc are summarized in box 65. Firstorder draft chapter 10 ipcc wg1 fourth assessment report. Ipcc working group iii plenary session in katmandu, nepal, march 2000, modified and subsequently approved the special report on emissions scenarios sres.
This website provides access to five special reports by the ipcc s intergovernmental panel on climate change working groups. We would also like to thank the three intergovernmental panel on climate change ipcc vicechairs ko barrett, thelma krug, and youba sokona as well as the members of the. The main characteristics of the ipccs three scenario series published in 1990, 1992 and 2000. Lowemissions development offers opportunities for africa 34 7. Special report on emissions scenarios sres a special report of working group iii of the intergovernmental panel on climate change book july 2000 with 506 reads how we measure reads. A summary of main findings and recommendations for potential users of the sres scenarios is given in box 63 and box 64. The special report on emissions scenarios sres has been widely used to analyze climate change impacts, vulnerability and adaptation. Ipcc emissions scenarios sres evaluation sciencepolicy interface abstract the ipccs emissions scenarios form the basis for the majority of longterm climate change projections, including those of the current fourth assessment report. Climate change 2007, the fourth assessment report ar4 of the united nations intergovernmental panel on climate change ipcc, is the fourth in a series of reports intended to assess scientific, technical and socioeconomic information concerning climate change, its potential effects, and options for adaptation and mitigation. Then decide which variables you need and which data format you prefer. Ipcc authors must rely on their subjective assessments of the available literature to construct a best estimate and associated confidence levels. The special report on emissions scenarios sres is a report by the intergovernmental panel on climate change ipcc that was published in 2000.
Ipccs evaluation of evidence and treatment of uncertainty. Methodological and technological issues in technology transfer and the regional impacts of climate change. That release makes clear literally thousands of comments critical of the report were ignored or rejected by the ipcc lead authors. This report was accepted by the working group iii wgiii plenary session in march 2000. The ipcc maps future scenarios for african emissions 36 7. However, the buildings sector has a high level of electricity use and hence the total of direct and indirect emissions in this sector is much higher 75% than direct. Summary for policymakers ipcc fourth assessment report, working group iii and from buildings by 26%, and the latter remained at approximately at 1990 levels thereafter. The intergovernmental panel on climate change ipcc is an intergovernmental body of the united nations that is dedicated to providing the world with objective, scientific information relevant to understanding the scientific basis of the risk of humaninduced climate change, its natural, political, and economic impacts and risks, and possible response options. Issues related to mitigation in the longterm context. The report also draws on a number of ipcc special reports, notably the special report on aviation and the global atmosphere, the special report on methodological and technological issues in technology transfer srtt, the special report on emissions scenarios sres, and the special report on land use, land use change and forestry. Intergovernmental panel on climate change wikipedia. Ipcc ar5 full final report released full access here. In 2007, the ipcc responded to calls for improvements to sres by catalysingthe process that produced the representative concentration pathways rcps.
The storylines behind these scenarios outline alternative. The greenhouse gas emissions scenarios described in the report have been used to make projections of possible future climate change. The intergovernmental panel on climate change ipcc is a group of scientists chosen by governments and other large groups from around the world who study the chance that humans may make the earth heat up unnaturally. In this report, climate change scenarios from both the fourth sres scenarios and the fifth rcp scenarios ipcc assessments are considered. Africa can capture the opportunities and manage the risks 36 of lowcarbon development 7. Special report on emissions scenarios sres a special report of working group iii of the intergovernmental panel on climate change book july 2000. Much has changed since then in our understanding of possible future greenhouse gas emissions and climate change.
Ipcc is92 emissions scenarios, the 1996 plenary of the ipcc requested this special report on emissions scenarios sres see appendix i for the terms of reference. Intergovernmental panel on climate change facts for kids. Summary for policymakers ipcc fourth assessment report. The beginners guide to representative concentration pathways.
The rcps are the latest iteration of the scenario process, and are used in the next ipcc report assessment report five ar5 in preference to sres. Therefore the ipcc decided in 1996 to develop a new set of emissions scenarios which will provide input to the ipcc third assessment report but can be of broader use than the is92 scenarios. Summary of the fourth assessment report and ipcc special report on managing the risks of. In previous ipcc assessments, the most widely used and referredto family of emissions scenarios were the socalled sres scenarios for special report on emissions scenarios that helped form the basis for the ipcc fourth assessment report. The is92 emissions scenarios used in the sar were replaced by the ipcc special report on emission scenarios sres, which considered various possible future human development storylines. Ref sres region central and eastern europe and newly independent states of the former soviet union see appendix iii rivm netherlands national institute of public health and the environment sa90 1990 scientific assessment of the ipcc sar second assessment report of the ipcc sas south asia see appendix iii. Nov 04, 2019 previous ipcc scenarios include the 1990 ipcc scenario a sa90 in for the first assessment report far, the 1992 ipcc scenarios used in the third assessment report tar and the special report on emissions scenarios in tar and the fourth assessment report ar4. Implications from the ipcc sres scenarios alvaro calzadilla abstract. Climate modellers have recently begun to apply a number of different emissions scenarios reported in the ipcc special report on emissions scenarios sres, nakicenovic et al. Special report on emissions scenarios sres a special. Firstorder draft chapter 10 ipcc wg1 fourth assessment report do not cite or quote 10104 total pages. The following translations of the ipcc third assessment report, climate change 2001 tar, ipcc fourth assessment report, climate change 2007 ar4 and ipcc fifth assessment report, climate change 20 ar5 and some special reports and technical papers have been brought to the attention of the ipcc secretariat. Sets of assumptions for future ghg emissions, such as special report on emission scenarios sress in ipcc fourth assessment report nakicenovic and swart, 2000 and representative concentration.