this post was submitted on 29 Feb 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.

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Why concerns over the sustainability of carbon removal are growing (www.technologyreview.com)
submitted 6 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] Pohl@lemmy.world 6 points 6 months ago (1 children)

It was a scam. The heartbreaking thing is that it is almost certainly going to be required if we don’t want to face apocalyptic climate change.

Every single gram of carbon we dug up from the ground has to be put back if we would like to stabilize our climate at pre-industrial temps.

How are we going to develop the tech to do this enormous task now that we spent a decade running it as a scam? If we invented fusion tomorrow and never used another fossil fuel for ANYTHING, we are still completely and utterly fucked. Anyway have a great day!

[–] Revan343@lemmy.ca 6 points 6 months ago

If we invented cheap fusion tomorrow, carbon capture would instantly become a lot more viable.

But I'm not holding my breath on fusion.