this post was submitted on 16 Feb 2025
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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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Carbon capture more costly than switching to renewables, researchers find (techxplore.com)
submitted 5 days ago by iamroot@discuss.tchncs.de to c/climate@slrpnk.net
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[–] pupbiru@aussie.zone 3 points 4 days ago

there are some applications that just don’t work without energy dense fuels: planes, rockets, etc

in these cases, i’d argue it makes sense to run them on fossil or bio fuels and then pay to offset 100% of their emission with carbon capture, or in the case of bio fuels perhaps that’s enough since the carbon was captured and you’re just re-emitting it?

either way, emitting carbon isn’t the problem: not cleaning up after yourself is the problem… if it’s more economical to burn fuel and clean up elsewhere, fine… as long as it gets cleaned up