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This is how big one tonne of CO2 is (slrpnk.net)
submitted 8 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[-] Windex007@lemmy.world 27 points 8 months ago

At what temperature?

[-] silence7@slrpnk.net 36 points 8 months ago

Whatever it was about on Jan 27, 2024 in Vienna in the evening during the Science Ball. Probably about 10°C

[-] xkbx@startrek.website 2 points 8 months ago* (last edited 8 months ago)

But at what pressure?

this post was submitted on 25 Mar 2024
307 points (96.9% liked)

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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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