this post was submitted on 10 Dec 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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How one controversial startup hopes to cool the planet | And why many scientists are freaked out about the first serious for-profit company moving into the solar geoengineering field. (www.technologyreview.com)
submitted 2 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] Kalothar@lemmy.ca 6 points 2 days ago (1 children)

It’s almost definitely this method right?

https://en.wikipedia.org/wiki/Stratospheric_aerosol_injection?wprov=sfti1#Background_and_mechanism

Most likely some proprietary blend of materials that dissipates quickly so they can charge subscription to warding off global warming

[–] silence7@slrpnk.net 6 points 2 days ago

Yes, and proprietary, but without details about what or why.