this post was submitted on 10 Jul 2025
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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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Warmer air can hold more water: How climate change is increasing heavy rain events (www.cbs17.com)
submitted 2 weeks ago by silence7@slrpnk.net to c/climate@slrpnk.net
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I'll note that the converse also applies — because warmer air can hold more water, it can remove more water through evaporation too, so droughts can also end up being worse.

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[–] Geodad@lemmy.world 7 points 2 weeks ago (1 children)

And this makes storms stronger. When cold dry air runs into a warm moist airmass, the warm mass rises and the water condenses into rain.

More water means more rain.

[–] TheBat@lemmy.world -1 points 2 weeks ago

More water means more rain.

🤯

[–] captainastronaut@seattlelunarsociety.org 4 points 2 weeks ago

Neat! This is fine.