this post was submitted on 13 Nov 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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[–] humanspiral@lemmy.ca 1 points 6 days ago

Gates has always backed long shot (scams) energy ventures. The most promissing, 2 years ago, was an electronic mass mirror alignment for achieving concentrated heat temperatures enough to disintegrate water into hydrogen. But seems to have gone nowhere.

Gates is also heavily invested in the SMR, and small scale fusion, scams. These scams always require lobbying/bribes to realize them, and Trump supports bribes and scams that produce energy that can't compete on cost with fossil fuels. His "spend on mitigation instead of prevention" change is about a "bribery package" that includes flattering in order to get governmnent freebies for his scam energy.