this post was submitted on 31 Jan 2026
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Climate

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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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The ‘Doomsday Glacier’ Could Flood the Earth. Can a 50-Mile Wall Stop It? Scientists have long opposed polar geoengineering. Some now believe it will be necessary. (www.theatlantic.com)
submitted 2 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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People will propose pretty much anything because they don't want to see a rapid phase-out of fossil fuel use. The worse things are, the more out-there the things they propose get to be.

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[–] Pistcow@lemmy.world 12 points 2 days ago (2 children)

Thankfully, the Earth will go on but we won't. I welcome our Orcan overlords.

[–] brem@sh.itjust.works 11 points 2 days ago (1 children)

As long as Earth's biodiversity remains intact; the loss of mankind will go without remorse.

Even our precious cats and dogs will forget about us, after they eat us.

But you know who won't forget? Orcas.

#FreeWilly

[–] bagsy@lemmy.world 4 points 2 days ago (1 children)

Worst case scenario, the bacteria that live in volcanic vents on the floor of the ocean will repopulate the earth. Humans will be just a blip that showed up, made some plastic and then disappeared.

[–] daggermoon@lemmy.world 3 points 2 days ago (1 children)

I think Humanity's extinction is extremely unlikely. That being said, life will become much more difficult for surviving humans.

[–] P00ptart@lemmy.world 3 points 2 days ago

At a MUCH lower population.