this post was submitted on 08 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:

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‘Non-survivable’: heatwaves are already breaching human limits [for older people] with worse to come, study finds (www.theguardian.com)
submitted 1 day ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Analysis of six extreme heatwaves found that when temperature and humidity were accounted for, all were potentially deadly for older people

The paper is here

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[–] HugeNerd@lemmy.ca 1 points 8 hours ago

Kim Stanley Robinson is elderly now, time for him to put down the quill and pick up gardening. I'm constantly surprised that the people who are the most pro-tech and colonize space and "explore that" are never for the #1 most important thing: anti-aging and life extension research.