this post was submitted on 27 Oct 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.

Recommended actions to cut greenhouse gas emissions in the near future:

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Corporations using ‘ineffectual’ carbon offsets are slowing path to ‘real zero’, more than 60 climate scientists say (www.theguardian.com)
submitted 3 weeks ago by solo@slrpnk.net to c/climate@slrpnk.net
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[–] Rhaedas@fedia.io 2 points 3 weeks ago (1 children)

Haven't seen "real zero" before. There's only one way for that to happen.

[–] jol@discuss.tchncs.de 1 points 3 weeks ago* (last edited 3 weeks ago)

The problem is that "net zero" really is OK in certain conditions. If your company consumes electricity but your municipality produces a mix of renewables and non renewables, you can offset with solar panels in another municipality. The problem is that the terms carbon neutral and net zero have been corrupted by the powers that want to preserve the status quo.