this post was submitted on 02 Feb 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.

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Could a Giant Parasol in Outer Space Help Solve the Climate Crisis? Time and money would be better spent on working to reduce greenhouse gas emissions and removing carbon dioxide from the atmosphere (www.nytimes.com)
submitted 9 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[โ€“] silence7@slrpnk.net 1 points 9 months ago (1 children)

This sort of plan is not being proposed as a alternative to carbon reductions.

That was the whole point of introducing solar radiation management into the discourse; creating social permission for the fossil fuels industry to keep on extracting and burning.

[โ€“] sonori@beehaw.org 1 points 9 months ago

I feel like if that was the point then the foucus would have been on something that the layperson might think was cheaper and easier than lowering emissions like carbon capture, not something which most people outright reject as impossible like orbital shades and mirrors, which generally come up more in discussions of terraforming Venus and Mars then the context of gobal warming.