this post was submitted on 19 Sep 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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I’ve studied geopolitics all my life: climate breakdown is a bigger threat than China and Russia (www.theguardian.com)
submitted 1 month ago by piefedderatedd@piefed.social to c/climate@slrpnk.net
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‘Risk’ analyses largely ignore the dangers of the climate crisis. Unless we wake up to them, they will soon outweigh all others

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[–] winkly@lemmy.world 2 points 1 month ago

I wonder sometimes if the powerful people in the world actually do see it that way. I mean, I bet they figure they (and their children) can survive the climate apocalypse that will wipe out all the poors. So from that point of view, why not just make as much money as possible and let the world go to shit. They can just colonize Antarctica. Forget Mars. Just pretend you’re preparing to live on a planet hostile to life as a way to prepare for the future…

It’s bleak but I wouldn’t be surprised if all those billionaires are thinking along these lines.