this post was submitted on 03 Dec 2024
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Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.

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.

Recommended actions to cut greenhouse gas emissions in the near future:

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Scientists Behind ‘Net Zero’ Concept Say Nations Are Getting It Wrong: In a new study, high-profile climate scientists say countries are using flawed carbon accounting by relying too heavily on trees (www.bloomberg.com)
submitted 3 weeks ago by [email protected] to c/[email protected]
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The paper is here but somewhat mangled during this stage of publication.

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[–] [email protected] 3 points 3 weeks ago

I love scientists, they can be delightfully naive sometimes. There is no oversimplification, no confusion. These countries have no desire whatsoever to really make net zero a reality; things like “not cutting down trees in exchange for carbon credits” are just nice little magic tricks to evade any real responsibility and action.