this post was submitted on 03 Jul 2024
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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.

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The hunt for the most efficient heat pump in the world (arstechnica.com)
submitted 5 months ago by [email protected] to c/[email protected]
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A new generation of engineers has realized they can push heat pumps to the limit.

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[–] [email protected] 11 points 5 months ago (12 children)

Be great if I could afford one though

[–] spidermanchild 12 points 5 months ago (1 children)

Not sure where you're located, but there are often significant incentives for heat pumps. If you're US and low/moderate income, there are big programs ramping up via the IRA that will cover a large percentage of the costs, assuming you're not in a total brain dead state.

[–] [email protected] 0 points 5 months ago

Incentives are great for those who could afford it in the first place.

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