this post was submitted on 01 Jan 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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UK government hires ‘nudge unit’ to help dispel heat pump myths | Behaviour experts say misinformation shared in media and by other stakeholders is impeding uptake (www.theguardian.com)
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[–] federalreverse@feddit.org 11 points 4 days ago (1 children)

Not really. Older ones are loud, small/underpowered ones are loud but new, larger, correctly sized, modulating heat pumps can be fairly quiet.

[–] Drusas@fedia.io 4 points 4 days ago

The first one I experienced was definitely small and underpowered and I hated it because it couldn't keep up with 80°F+ temperatures. And it was fucking loud.

The two more recent ones I have had experience with are only a few years old, appropriately sized, and much more capable. They're not quite as loud, but still noisy.

As someone who is somewhat sensitive to sound, I couldn't stand the first one. The current one that I have, I often don't notice that it's on until it turns off and I suddenly feel a rush of relief that it's quiet again.

So they do have at least one downside. At least my current one can keep up with whatever weather comes our way.