this post was submitted on 16 Jan 2024
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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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We Fact Checked Everything Trump Has Said About Climate Change Since 2021 (heatmap.news)
submitted 10 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] silence7@slrpnk.net 4 points 10 months ago

That's a pretty good summary.

A couple more details:

"Global warming" and "climate change" had both been used to describe the same phenomenon of temperature increases at similar rates well before the Republican memo advocating for choosing only one:

And once the memo came out, and people ridiculed the Republicans for it, they had talk-radio hosts claim the Democrats were responsible for a name change for the next decade or so, causing much public confusion.