this post was submitted on 15 Nov 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.

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Carbon bootprint: why are military emissions top secret? | Militaries are among the world's biggest CO2 emitters, but data is lacking on how much they contribute to climate change (www.context.news)
submitted 18 hours ago by [email protected] to c/[email protected]
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[โ€“] Carmakazi 8 points 18 hours ago (1 children)

Last I heard the US Navy is the single biggest polluting organization in the world, with all that bunker fuel they burn in addition to their aviation program.

[โ€“] neanderthal 2 points 15 hours ago

There aren't good replacements for fossil fuels for military applications. The same thing with aviation. This means we need to phase out everything that has suitable replacements ASAP to give us time to figure out these more difficult uses.