this post was submitted on 03 Oct 2025
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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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[–] taiyang@lemmy.world 18 points 1 day ago (2 children)

So we're winning on Aerosol loading and Ozone, the two things we actually made societal efforts on reducing before our world governments went fully to shit (well, more actually, were decaying but still kind of functioning in the 80s and 90s).

I guess if there's any silver lining, humans had the power to address these things and theoretically could again if, well... y'know. Sigh.

[–] metoosalem@feddit.org 7 points 1 day ago* (last edited 1 day ago)

Would you believe what we could achieve if we all pulled together

[–] ObtuseDoorFrame@lemmy.zip 5 points 1 day ago

It's nice to see a comment from someone else who read the article rather than just more generic doomsy comments : )

[–] kami@lemmy.dbzer0.com 18 points 1 day ago (1 children)

Can't wait for the new mass extinction to drop

[–] ImgurRefugee114@reddthat.com 18 points 1 day ago (1 children)
[–] _haha_oh_wow_@sh.itjust.works 16 points 1 day ago (1 children)

Welcome to the Holocene Extinction, you've been here the whole time but I guess most people aren't aware.

[–] captainastronaut@seattlelunarsociety.org 13 points 1 day ago (1 children)

I was really hoping for worldwide volcanoes or something. Quietly cooking in our own soup while everyone blames each other is such a depressing extinction party.

[–] _haha_oh_wow_@sh.itjust.works 12 points 1 day ago (1 children)

Turns out our Great Filter might just be us.

Pollution being the great filter would make so much sense.

[–] Thedogdrinkscoffee@lemmy.ca 5 points 1 day ago

Scientific American? What kind of DEI enabled woke bullshit is that?!? /s

Don't worry about planetary boundaries. Fascist America will jail or murder the scientists and journalists so your average mouthbreather will die in bewilderment.

[–] the_q@lemmy.zip 5 points 1 day ago

The earth will be fine after we're gone, and frankly I can't wait.