this post was submitted on 16 Jul 2025
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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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the world’s militaries are responsible for more than double that, at 5.5 percent.

If combined, the world’s armed forces would have the fourth highest carbon footprint, behind India, the U.S., and China.

Yet it’s been maddeningly difficult for researchers to monitor the emissions of militaries, which aren’t required to report these things.

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[–] Semester3383@lemmy.world 1 points 2 days ago

This Russia can't defeat Ukraine because of all of the assistance that Ukraine has been receiving from the US in particular, but other NATO and EU countries in general. If we truly ceased all military aid, and the EU countries didn't pick up the slack, yeah, Russia would eventually roll over Ukraine. TBH, as far as the US is concerned, we've managed to bleed an enormous adversary almost dry, all without any American soldiers every being shot at (well, except for the people that had the guts and convictions to go to Ukraine and volunteer; I wish I didn't have responsibilities...).

Without aid, the war would have been over in a year; Ukraine has the will, but they didn't have the tanks, the anti-air defense systems, and so on. And on the other side of that, if the US had given them everything that they wanted up front, instead of slow-rolling 'offensive' weapons systems, Ukraine could have wrecked Russia in a year.