this post was submitted on 16 Sep 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.

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

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The Ozone Hole Is Steadily Shrinking because of Global Efforts (www.scientificamerican.com)
submitted 3 days ago by tonytins@pawb.social to c/climate@slrpnk.net
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[–] Hayduke@lemmy.world 24 points 3 days ago (2 children)

Keep that on the DL. With luck, if they don’t notice something good happening they won’t go out of their way to destroy it.

[–] Baggie@lemmy.zip 9 points 3 days ago

Ozone is woke, O2 is the only molecule god intended

[–] ShittyBeatlesFCPres@lemmy.world 4 points 3 days ago (1 children)

Don’t worry. Satellites reentering the atmosphere fucks up the ozone layer little by little. It hasn’t mattered much before but Starlink alone will be like 30,000 satellites. Between consumer-facing competitors and every major military bloc planning their own constellation, we’ll be back to fucking up the ozone layer soon enough.

[–] Rozauhtuno@lemmy.blahaj.zone 4 points 3 days ago

I love destroying the only biosphere we have!

[–] monkeyslikebananas2@lemmy.world 4 points 3 days ago

Are we filling it up with microplastics and CO2?

[–] molten@lemmy.world 7 points 3 days ago

Feels like my hole is steadily getting larger thanks to global efforts.