this post was submitted on 08 May 2024
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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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‘Hopeless and broken’: why the world’s top climate scientists are in despair (www.theguardian.com)
submitted 6 months ago by straddle@lemmynsfw.com to c/climate@slrpnk.net
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cross-posted from: https://lemmynsfw.com/post/11288860

Instead, Cerezo-Mota expects the world to heat by a catastrophic 3C this century, soaring past the internationally agreed 1.5C target and delivering enormous suffering to billions of people. This is her optimistic view, she says.

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[–] pepperonisalami@sh.itjust.works 2 points 6 months ago

That is also true. In production perspective there's no sense to keep a small production quantity alive just for a limited application. Then we'll arrive at the conclusion that governments need to be able to regulate businesses with objective policies - not affected by industry lobbying. But that would need a very robust system of governance where the people cannot be bought out, ideally.

That's why in my view the key here is the policy - where to subsidize and not, where to tax and stop issuing permits, taking EOL pumps accountable etc.