this post was submitted on 20 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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US apartment buildings have tipped toward heat pumps | The climate-friendly appliances are becoming the norm among American home builders. Here are the factors driving the shift. (www.canarymedia.com)
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[–] chrisashtear@lemmy.zip 1 points 12 hours ago* (last edited 12 hours ago) (1 children)

When i was trying to get a heat pump, i had to listen to a family friend hvac guy yell at me for 10 minutes cus he hates those damn things.

[–] HerbGrower@slrpnk.net 1 points 12 hours ago (1 children)

Ohhh I heard some of those! Got told that the heat pump alone would cost more than twice as much as I actually paid for a heat pump, all new radiators and replacing all the old pipework.

[–] chrisashtear@lemmy.zip 1 points 3 hours ago

My other favorite thing was talking to this one hvac company that only did x brand heat pumps(dont remember), but could not provide performance specs on them. The company couldnt either. Aside from "this one is really quiet!"

So i went with carrier, which had perfornance specs for all their equipment, at multiple different ambient and desired temps.