this post was submitted on 11 Nov 2024
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Climate - truthful information about climate, related activism and politics.

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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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Trump Victory Leaves China Calling the Shots at COP29 Climate Negotiations | Campaign has vowed to pull U.S. out of Paris accord, but China appears more committed than ever (www.wsj.com)
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[–] benjhm@sopuli.xyz 4 points 1 month ago

Makes sense. China holds a good hand now, as they have probably peaked emissions five years ahead of their promise, and are not yet obliged with financial contributions. Also they need to sell renewables, electric cars etc. - especially to southern countries while US and EU put big tariffs. And if you look at the numbers, US is no longer so important in the world.