this post was submitted on 26 Aug 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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New report: Biomass CO2 emissions 4X higher than Coal | Just Have A Think (www.youtube.com)
submitted 2 months ago by ProdigalFrog@slrpnk.net to c/climate@slrpnk.net
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[–] silence7@slrpnk.net 1 points 2 months ago (1 children)

The problem is that much biomass burning happens in the form of "take a mature forest, which existed for other reasons, and burn it for the purpose of generating electricity." This means that you go from having a large mature forest, to having large areas of immature forest.

This on net adds CO2 to the atmosphere until several decades after it stops.

[–] HappycamperNZ@lemmy.world 1 points 2 months ago (1 children)

Different areas - you are correct with what you said.

My comment was specifically on those grown to be burned for biomass. Taking a mature forest on the other hand is indeed a problem.

[–] silence7@slrpnk.net 2 points 2 months ago (1 children)

Actual biomass power plants operating today are buying forests to burn them. Those which run in the manner you describe are exceedingly rare.

[–] HappycamperNZ@lemmy.world 1 points 2 months ago

Not denying that - wish I could though....