this post was submitted on 05 Nov 2024
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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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China Confronts Europe Over Climate-Based Trade Restrictions (www.nytimes.com)
submitted 1 week ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Days ahead of the U.N.’s global negotiations on climate change, China and other developing countries said trade restrictions should be part of the talks.

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[–] abff08f4813c@j4vcdedmiokf56h3ho4t62mlku.srv.us 1 points 1 week ago

I think we're agreed here. With China being the largest emitter of current (as opposed to cumulative) emissions, a formula - which would indeed likely be quite complex - is needed here that can fairly take that into account along with the other points (like the accelerated timeframe required as compared to the rich countries).

The article makes a good point - which I think you allude to - about the definition of rich countries perhaps needing to be updated as part of this (for example, you include South Korea, who isn't on that list, though weirdly, Japan is, despite having a post WW-II date of the 1960s). Probably should be "advanced economies" instead of "rich countries" - so China would be rich via total GDP measures but perhaps not an advanced economy yet due to the low average per capital GDP or low average individual citizen's income, for example, while the US would be advanced and rich while (for example) North Korea wouldn't be either.