this post was submitted on 01 Jul 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:

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

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No worries. No worries at all. (lemmy.world)
submitted 9 hours ago by zedgeist@lemmy.world to c/climate@slrpnk.net
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[–] Maxxie@lemmy.blahaj.zone 7 points 34 minutes ago

AI will solve it, bro. We just need 100 billions to build it more data centers with a couple coal plants each but then it will revolutionize all the jobs. Every single one of them

Just 500 bil and it will improve itself and stuff, do all the science and we can just chill bro can you imagine it? No work, no problems, just 24/7 chilling

We can't afford to stop bro we're almost at the singularity. 10 trillion us dollars and it will terraform mars or what you fucking want? Time travel? Sucks your dick and fucks your wife? You don't want chinese commie bastards getting quantum superintelligence do you bro? Fucking give it here. Your fucking future, give it to me you stupid piece of shit. Trust me bro.

[–] grueling_spool@sh.itjust.works 6 points 1 hour ago* (last edited 1 hour ago)

I'm recycling as hard as I can, boss

[–] OpenStars@piefed.social 28 points 4 hours ago (1 children)

Counterpoint: number must go up.

(Highly ironically, seems to include this one as well?)

[–] Diplomjodler3@lemmy.world 2 points 1 hour ago

Won't anybody think of the shareholders?!?

[–] jol@discuss.tchncs.de 20 points 4 hours ago (3 children)

Extinction is highly unlikely. End of civilization perhaps, but humans are extremely hardy and versatile. You would be hard pressed to kill all humans in all biomes.

[–] huppakee@feddit.nl 5 points 2 hours ago (1 children)

Source?

[–] jol@discuss.tchncs.de 7 points 1 hour ago

I'm from the future.

[–] iknowitwheniseeit@lemmynsfw.com 7 points 2 hours ago (1 children)

Humans would have had a hard time breathing in large portions of the time when the earth had land-based animals. So...

[–] jol@discuss.tchncs.de 3 points 1 hour ago

The amount of oxygen in the air is hardly changing and would support human life easily after climate change goes bananas. The amount of CO2 that is causing climate change is actually quite tiny even though it doubled or tripled since pre-industrial times. It's still far less than 0.5% (the safe recommended amount) of the atmosphere. You could triple the current CO2 levels, which would be devastating for the climate, and still breath perfectly fresh air.

[–] Bashnagdul@lemmy.world 18 points 4 hours ago (1 children)

If a feedbackloop occurs where earth becomes a Venus like world... Well all die for sure

[–] jol@discuss.tchncs.de 6 points 3 hours ago (1 children)

That would probably not happen at a human scale. Civilization would collapse and nature would heal.

[–] Rozauhtuno@lemmy.blahaj.zone 6 points 2 hours ago (2 children)

That's hardly comforting. I don't want 90% of people to die and civilization to collapse. Can't we just guillotine the rich and explore the galaxy?

[–] jol@discuss.tchncs.de 7 points 1 hour ago

But what about the economy??? We need profits now not tomorrow.

[–] Diplomjodler3@lemmy.world 5 points 1 hour ago

Deport this gay commie woke terrorist at once!

[–] usernamesAreTricky@lemmy.ml 137 points 7 hours ago* (last edited 7 hours ago) (2 children)

Current trajectory estimates are more like +2.5C to +3C by 2100 based on existing policy. We've actually managed to move the trajectory downward even though we obviously have a lot to go. Every little bit counts. It is far less binary than this overly simplistic tweet is suggesting

Excessive claims like this end up demotivating people and make them want to give up when we can reduce the damage each time we move our trajectory down by 0.1C

[–] eleitl@lemmy.zip 5 points 31 minutes ago

We are at over +1.5 if you ignore sliding decade average and multiple factors make +3 by 2050 reasonably likely. We got there because we erred on the side of climate sensitivity due to people like you, who told us disregard the "alarmists" and tnat we have plenty of time to act. Well, it looks like the "alarmists" were right.

[–] Leg@sh.itjust.works 34 points 5 hours ago (1 children)

I like this comment. Because you're right, I felt doom in the pit of my stomach before seeing it. Thanks for adding nuance.

[–] eleitl@lemmy.zip 1 points 28 minutes ago

To get that feeling back, have a go at https://richardcrim.substack.com/ That will add more nuance, and then some.

[–] theneverfox@pawb.social 11 points 6 hours ago (1 children)

Yep. We're probably all going to die

This is why I absolutely will not have children. Not like this.

[–] WanderingThoughts@europe.pub 2 points 5 hours ago

If we're all going to die anyway and it gets worse and worse worth every year, we can just as well burn the place down and go down in one glorious moment. Here's to not having any hope left.

[–] zedgeist@lemmy.world 44 points 8 hours ago (2 children)

This is pretty outdated, since I think we're at 1.5 or even 2.0C now

[–] thefluffiest@feddit.nl 10 points 5 hours ago

We”re around 1.5 to 1.6 right now

[–] expatriado@lemmy.world 17 points 8 hours ago

world looks pretty dangerous, it checks out

[–] henfredemars@infosec.pub 18 points 7 hours ago* (last edited 7 hours ago)

They don’t care. They just want as much money as they can collect during their brief lives.

I really do care, but I don’t have anything more I can do. I can take individual measures, and I can vote, but by and large fellow citizens clearly expressed that they don’t value this.

[–] TrippyFocus@lemmy.ml 24 points 8 hours ago (1 children)

Does anyone have any sources for the different thresholds?

[–] zedgeist@lemmy.world -2 points 7 hours ago (1 children)

I posted this as a meme, but I do hope someone can give you a source

[–] ProdigalFrog@slrpnk.net 17 points 5 hours ago* (last edited 1 hour ago)

Since this isn't clearly a joke, I think you're effectively just spreading despair inducing misinformation instead, since you don't know if this is true information or not.

[–] omgboom@lemmy.dbzer0.com 16 points 8 hours ago (1 children)

We're actually at 2.5 now lol

[–] zedgeist@lemmy.world 7 points 8 hours ago (1 children)

Uh.. lol?

[–] Evil_Shrubbery@lemmy.zip 2 points 2 hours ago* (last edited 2 hours ago)

(It's prob an emotional support lol, not a laugh out loud lol.)