this post was submitted on 17 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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[–] shalafi@lemmy.world 1 points 2 days ago (2 children)

Makes me wonder if Europeans don't know how to handle heat. Or maybe not everywhere is air conditioned? Anyone tell me what it's like over there? I know, it's going to vary wildly by country.

I was a kid in 1980 Oklahoma, the summer of "who shot JR?". We had 50 days of 100F+ weather. Killed my rabbit. :( All that to say, I'm not unsympathetic, but in many places in America, we know how to handle heat.

[–] BastingChemina@slrpnk.net 2 points 2 days ago

People dying from the heat are older people or people already in bad medical conditions. Not kid or healthy people.

AC could have an influence but the excess mortality due to heatwave is also happening in countries with a lot of AC like Australia : https://www.sciencedirect.com/science/article/pii/S0160412025004982?via=ihub#t0010

[–] silence7@slrpnk.net 1 points 2 days ago

Air conditioning is far less common in most of Europe than in the US. There is a real stigma associated with it, and some jurisdictions require evidence of a medical condition to all you to install it at home