this post was submitted on 02 Feb 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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January sets an unexpected temperature record | Despite long-faded El Niño conditions, 2025 saw the warmest January on record (www.theclimatebrink.com)
submitted 9 hours ago by [email protected] to c/[email protected]
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[–] [email protected] 10 points 9 hours ago (3 children)

"unexpected" is a curious qualifier here. i hope they don't call it unexpected next year when its even warmer.

[–] [email protected] 4 points 3 hours ago

The trend I've noticed is we seem to always misjudge the rate of acceleration. "We knew it's be hotter, but didn't expect it to be THAT much hotter!"

That said, this isn't what's going on in the article... guess it was actually supposed to cool down a bit and didn't. /shrug.

[–] [email protected] 1 points 3 hours ago

Next year wouldn't really be as unexpected though, would it? Typically the local el nino/la nina effects overshadow year-over-year levels of climate warming and you have to compare similar el nino to el nino or la nina to la nina to clearly see the effects of climate change (and disinformation sources would intentionally compare el nino years to the following la nina years to show "global cooling" and pretend to panic about it). An increase in year-over-year temperatures despite the multi-year cycle decreasing is pretty alarming.

The acceleration of climate change is expected, but frequently have exceeded expectations of reasonable scientists. I guess at least this is occurring while solar irradiance as been on an upswing and not a downswing, but by the time the next el nino that ends as solar irradiance decreases, we'll probably have accelerated enough that temps continue to increase anyways.

[–] [email protected] 3 points 7 hours ago

I hope they do, we could surely use the laugh