this post was submitted on 15 Jul 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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‘Unprecedented’ changes in UK climate are normalising extremes, report says | Annual State of the UK Climate analysis finds last four years in UK are in top five hottest on record (www.theguardian.com)
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[–] UnderpantsWeevil@lemmy.world 2 points 6 days ago

normalizing extremes

We're reaching into another Selection Bias style event, wherein the folks who can afford A/C or simple endure the misery a bit longer get to say "Not a big deal, stiff upper lip, yadda yadda". Meanwhile, the folks who are bankrupted by skyrocketing utilities and killed by heatstroke don't get to pen any Op-Eds or deliver sanctimonious diatribes on national news broadcasts about the innate Britishness of being miserable.