this post was submitted on 14 Oct 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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The ‘world’s largest’ vacuum to suck climate pollution out of the air just opened. Here’s how it works (edition.cnn.com)
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[–] [email protected] 19 points 1 month ago

36 kilotons a year. Only short by 6 sig figs. You'd need over a 100,000 of these to reach net zero. And the cost for each ton removed is "closer to $1,000 a ton than $100 a ton". Let's say $500 a ton, which is less than the actual cost. That's $18 million a year for this one facility, and you'd need >$1.8 trillion annual to run all the facilities for net zero. It would become the largest single industry in the world (passing agriculture at $1.3 trillion annually)

It's something that needs to be done eventually, but can't be used to get us to net zero.

So, yeah. Neat, but something for after the transition.