this post was submitted on 07 Aug 2024
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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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Our Buildings Were Built for a Different World | The climate crisis demands that we retrofit them—which won’t happen at scale until architects start seeing themselves as political actors. (www.thenation.com)
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[–] itstoowet@lemmy.world 5 points 2 months ago* (last edited 2 months ago) (1 children)

District heating/cooling is a big one. I think NY is still using 1st gen technology which is kind of crazy in this day and age (also crazy it's one of the few places in the US using DH). We've moved so far in DH that I can't imagine why they're still using steam. The newest generation networks operate just above ambient, so the fact they're still using steam blows my mind.

[–] GissaMittJobb@lemmy.ml 8 points 2 months ago

The U.S appears to be suffering from an aversion to public investment, to their great detriment.