this post was submitted on 09 Dec 2023
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As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades: Graph of temperature as observed with significant warming, and simulated without added greenhouse gases and other anthropogentic changes, which shows no significant warming

How much each change to the atmosphere has warmed the world: IPCC AR6 Figure 2 - Thee bar charts: first chart: how much each gas has warmed the world. About 1C of total warming. Second chart: about 1.5C of total warming from well-mixed greenhouse gases, offset by 0.4C of cooling from aerosols and negligible influence from changes to solar output, volcanoes, and internal variability. Third chart: about 1.25C of warming from CO2, 0.5C from methane, and a bunch more in small quantities from other gases. About 0.5C of cooling with large error bars from SO2.

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Azerbaijan chosen to host Cop29 after fraught negotiations | Climate activists likely to be concerned by another fossil fuel-reliant country taking over summit presidency (www.theguardian.com)
submitted 2 years ago by silence7@slrpnk.net to c/climate@slrpnk.net
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oil and gas production accounted for nearly half of Azerbaijan’s GDP and more than 92.5% of its export revenue last year

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[–] benjhm@sopuli.xyz 6 points 2 years ago* (last edited 2 years ago)

They didn't have to agree like that - afaik, there is a default procedure that without host-region consensus COP goes to Bonn (location of UNFCCC secretariat). So did EU agree internally to Bulgaria's giving up - maybe related Azeri gas? Did P's flying visit to AbuDhabi twist some arms?