this post was submitted on 31 Aug 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 hotter planet is pushing older adults beyond the human body’s limits | As the planet warms and the population ages, millions of older adults could face heat their bodies can no longer tolerate. (www.mercurynews.com)
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The paper is here

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[–] EggInDisguise@lemmy.blahaj.zone 9 points 3 weeks ago (1 children)

I have never been able to sleep mid-day (take naps) since I was 5 or 6. It upset my parents of course, when I was still "napping age" but "refused" to do so. Plenty of times as an adult I've been exhausted and still couldn't sleep. Cool room, blackout curtains, even a basement room without windows and away from other sounds wasn't enough.

Yesterday I pushed my spouse in a wheelchair for a bit in the park before we left because of the heat. I was out the minute I laid down and woke up 6 or 7 hours later still feeling like shit.

If my grandparents were around, I'm sure they wouldn't have made it through this summer since they never had AC

[–] HobbitFoot@thelemmy.club 10 points 3 weeks ago

You can deal with heat until you can't.

Heat waves would commonly kill a lot of elderly and still do in places without regular AC. Even places where AC is common still set up places where people can go to access AC if they don't have it at home for various reasons.

You're also seeing people living longer thanks to modern medicine with reduced overall health. So you have a larger population sensitive to heat because they can survive other things that could kill them.