this post was submitted on 10 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 US is spending billions to build direct-air-capture plants. But some fear the projects won’t succeed unless the government buys more of what they’re selling. (www.technologyreview.com)
submitted 1 month ago by silence7 to c/climate
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This has been one of the inherent problems with any kind of carbon removal — there's no real way to profit from it, so it was unlikely to happen at scale bigger than a PR operation unless government either pays for it or requires firms to pay for it.

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[–] RvTV95XBeo@sh.itjust.works 4 points 1 month ago

This is entirely the point of a cap and trade system. Let the market duke it out over the best path to zero, ratcheting down the amount of credits on the market, so everyone can decide whether to focus on reducing or removing.