this post was submitted on 03 Nov 2023
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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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The growing signs of trouble for global carbon markets | Corporations are backing away from one of their favorite climate remedies as greenwashing concerns steadily mount. (www.technologyreview.com)
submitted 1 year ago* (last edited 1 year ago) by silence7@slrpnk.net to c/climate@slrpnk.net
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Archived copy of the article

The key thing is that most of the offsets sold on these markets were fraudulent. This has been known for years, but the realization that a particular project didn't result in any CO2 removal was a big deal for the markets:

But a bombshell New Yorker article earlier this month asserted that millions of carbon offsets generated by Kariba, a giant project that earned nearly $100 million for purportedly preventing deforestation in Zimbabwe, didn’t actually prevent deforestation and preserve the carbon in the trees and soil.

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[–] hotair@slrpnk.net 2 points 1 year ago (1 children)

Maybe this will change once the insurance tables update their pricing to include the new risks?

[–] silence7@slrpnk.net 3 points 1 year ago (1 children)

The problem is the offsets being traded are largely fraudulent. This isn't something that can be solved with a change in an actuarial table

[–] hotair@slrpnk.net 1 points 1 year ago

Right, I should read the article. Sorry.