this post was submitted on 31 Jul 2023
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Climate - truthful information about climate, related activism and politics.

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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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It's not just hot. Climate anomalies are emerging around the globe (wapo.st)
submitted 1 year ago by silence7@slrpnk.net to c/climate@slrpnk.net
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July was packed with weather anomalies, but some were so abormal they sent a wave of consternation through the scientific community.

Top-level link is paywall-bypassing, but here's an Archived copy too

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[–] silence7@slrpnk.net 8 points 1 year ago

Because it also put out a bunch of sulfate aerosols which cool the world by roughly as much as the water vapor warms it