this post was submitted on 26 Apr 2026
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Climate

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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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A catastrophic climate event is upon us. Here is why you’ve heard so little about it | George Monbiot (www.theguardian.com)
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[–] Tiresia@slrpnk.net 39 points 2 months ago

tl;dr: Another paper on the Atlantic meridional overturning circulation shutdown just dropped, bumping the reduction of circulation by the year 2100 from 32 ± 37% to 51 ± 8%. This means it is now certain that there will be catastrophic consequences through this particular form of climate change. Capitalist media don't tell you this because they're capitalist.

The catastrophic consequences include, but are not limited to:

  • Even more extreme hurricanes in the Caribbean

  • European biosphere freezing to death in cold snaps

  • European infrastructure collapsing in cold snaps

  • Faster-rising sea levels on the north American east coast

  • Extra CO2 released from the Antarctic Ocean