this post was submitted on 04 Sep 2025
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Climate - truthful information about climate, related activism and politics.

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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:

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Joe Rogan claims study shows Earth cooling – but report’s authors say he’s wrong | Scientists say ‘old-school denier nonsense’ isn’t helpful as podcaster repeatedly airs false claim on his show (www.theguardian.com)
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[–] TommySoda@lemmy.world 9 points 1 week ago* (last edited 1 week ago)

"But if you look at a graph going back millions of years we are actually cooling!" Cool, cool. How about the last few thousand years where the data is actually relevant to human civilization? I don't care if it was hotter 20 million years ago because, believe it or not, I wasn't alive back then. If it was as hot as it was back then we would all be dead of heatstroke because we literally evolved to live in the cooler period that we are now skyrocketing ourselves out of.