155
submitted 6 hours ago by zedgeist@lemmy.world to c/climate@slrpnk.net
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[-] OpenStars@piefed.social 11 points 1 hour ago

Counterpoint: number must go up.

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

[-] jol@discuss.tchncs.de 6 points 1 hour ago

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.

[-] Bashnagdul@lemmy.world 7 points 1 hour ago

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

[-] jol@discuss.tchncs.de 1 points 10 minutes ago

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

[-] usernamesAreTricky@lemmy.ml 106 points 4 hours ago* (last edited 4 hours ago)

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

[-] Leg@sh.itjust.works 21 points 2 hours ago

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

[-] theneverfox@pawb.social 7 points 3 hours ago

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 2 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.

[-] henfredemars@infosec.pub 16 points 4 hours ago* (last edited 4 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.

[-] zedgeist@lemmy.world 34 points 5 hours ago

This is pretty outdated, since I think we're at 1.5 or even 2.0C now

[-] thefluffiest@feddit.nl 3 points 2 hours ago

We”re around 1.5 to 1.6 right now

[-] expatriado@lemmy.world 13 points 5 hours ago

world looks pretty dangerous, it checks out

[-] omgboom@lemmy.dbzer0.com 15 points 5 hours ago

We're actually at 2.5 now lol

[-] zedgeist@lemmy.world 6 points 5 hours ago
[-] TrippyFocus@lemmy.ml 22 points 5 hours ago

Does anyone have any sources for the different thresholds?

[-] zedgeist@lemmy.world 3 points 4 hours ago

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

[-] ProdigalFrog@slrpnk.net 9 points 2 hours ago* (last edited 2 hours ago)

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

this post was submitted on 01 Jul 2025
155 points (86.0% liked)

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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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