this post was submitted on 16 Jul 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.

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‘Climate Delusion’ Or Vital Solution? Carbon Capture’s Uphill Battle (www.noemamag.com)
submitted 1 month ago by Pro@reddthat.com to c/climate@slrpnk.net
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Industrial carbon capture is a climate strategy environmentalists love to hate. Those committed to its development are trying to win back allies they sorely need.

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[–] solo@piefed.social 3 points 1 month ago

Copy-pasting here my comment to this article from another community:

Carbon Capture and Storage/Sequestration (CCS) is a topic I changed my mind about, not that long ago, including its subsets like Carbon Dioxide Removal (CDR), Direct Air Capture (DAC), etc. Up to last year or something, I was thinking that it's important for these kind of tech to be researched.

Now I see things differently:

  • To my understanding, the only CCS tech that makes sense is the one that catches emissions at the source, the factory chimneys.

  • The others that claim to suck up GHG and store them "out of sight out of mind" are highly problematic for so many reasons. They are distractions from the real issue which is phasing out fossil fuel.

A few relevant links:

Fact or fantasy? Can carbon dioxide removal save the climate?

For fossil fuel corporations, keeping CDR on the agenda as a credible climate change solution is a Get Out of Jail Free card. Instead of stopping emissions, they promise to capture and bury them. Not now, but someday. As the CEO of Occidental Petroleum told a conference of her peers in 2023, “We believe that our direct capture technology is going to be the technology that helps to preserve our industry over time. This gives our industry a license to continue to operate for the 60, 70, 80 years that I think it’s going to be very much needed.”[

Climeworks’ capture fails to cover its own emissions

The car­bon capt­ure comp­any Cli­meworks on­ly capt­ur­es a fracti­on of the CO2 it promises its machines can capt­ure. The comp­any is fail­ing to car­bon off­set the em­issi­ons resulting from its operati­ons – which have grown rapidly in recent ye­ars.

More articles in the relevant community:
cdr@slrpnk.net