this post was submitted on 03 Aug 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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Sea Level Mis-information from DOE (tamino.wordpress.com)
submitted 2 days ago by hanrahan@slrpnk.net to c/climate@slrpnk.net
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Of the five stations they list in their table, the one which shows the most obvious acceleration (St. Petersburg) is the one they don’t show the graph of! Of course they didn’t find acceleration in U.S. tide gauge records, because they never looked for it. They only looked for what they wanted to see, and that’s all they found. If you do analyze sea level data (and I have), in light of the most recent data (from satellites and from tide gauges) acceleration is obvious, both for the U.S.A. and the globe as a whole.

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[–] humanspiral@lemmy.ca 2 points 2 days ago

The Carolinas have specifically had higher sea level rise than elsewhere in US, because recent history has much warmer than historical coastal waters. Ocean levels overall so far have been dominated by sea temperature increase rather than polar land melting. No Buoy data reported either by DOE or this article.