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submitted 2 weeks ago by ZeroCool@slrpnk.net to c/climate@slrpnk.net
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[-] LibertyLizard@slrpnk.net 5 points 2 weeks ago

To be clear this is an unlikely worst case scenario where we change nothing. But the fact that such a thing is even possible in so short amount of time is pretty stunning.

[-] brrt@sh.itjust.works 6 points 2 weeks ago

You do realize who was just elected for president? Doing nothing isn’t the worst case scenario. Reverting the progress we’ve made so far will be. And it seems likely that’s what’s going to happen.

[-] uberdroog@lemmy.world 3 points 2 weeks ago

That seems low, honestly. Aren’t like 1/5 of birds already gone?

this post was submitted on 06 Dec 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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