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The Special Report on Emissions Scenarios (SRES) is a report by the Intergovernmental Panel on Climate Change (IPCC) that was published in 2000. The greenhouse gas emissions scenarios described in the Report have been used to make projections of possible future climate change.
Initial EU proposals called for global emissions to peak in 10 to 15 years and decline "well below half" of the 2000 level by 2050 for developing countries and for developed countries to achieve emissions levels 20-40% below 1990 levels by 2020. The United States strongly opposed these numbers, at times backed by Japan, Canada, Australia and ...
Addendum. Part two: Action taken by the Conference of the Parties at its first session (PDF), Geneva, Switzerland: United Nations Office [permanent dead link ]. Available as a PDF in the official UN languages. COP (14 March 2008), Report of the Conference of the Parties (COP) on its thirteenth session, held in Bali from 3 to 15 December 2007 ...
In more than half of these scenarios, renewables would contribute more than 27% of the primary energy supply in the mid-century. This would be more than double the 13% share in 2008. In the scenarios with the highest shares for renewable energy, it will contribute 77% by 2050. [80]
Four climate change scenarios, based on 2015 data. [5] [6] Left: emissions pathways following the scenarios of (1) no policy, (2) current policy, (3) meeting the governments’ announcements with constant country decarbonization rates past 2030, and (4) meeting the governments’ announcements with higher rates of decarbonization past 2030.
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This involves deep reductions in emissions of methane and black carbon: at least 35% of both by 2050, relative to 2010, to limit warming near 1.5 °C. Such measures could be undertaken in the energy sector and by reducing nitrous oxide and methane from agriculture, methane from the waste sector, and some other sources of black carbon and ...
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