this post was submitted on 07 Jun 2025
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When man first walked on the moon, the carbon dioxide concentration in Earth's atmosphere was 325 parts per million (ppm).

By 9/11, it was 369 ppm, and when COVID-19 shut down normal life in 2020, it had shot up to 414 parts ppm.

This week, our planet hit the highest levels ever directly recorded: 430 parts per million.

"This problem is not going away, and we're moving further and further into uncharted territory, and almost certainly, very dangerous territory."

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[–] wewbull@feddit.uk 8 points 1 hour ago* (last edited 1 hour ago) (1 children)

Right now, China is the problem. Historically it's been the USA, but right now it's China.

The upcoming problem is India.

More specifically the problem is coal. China and India are ramping up their usage of coal whilst the rest of the world is phasing it out.

Yes, those countries are also building clean sources of power, but coal is about 55% of their primary energy each. 80% of Chinas primary energy comes from fossil fuels and 90% of India's. Their rate of new coal outstrips their use of wind and solar.

The earth cannot support the huge populations of these countries unless they are powered by something other than coal. Even oil and gas would be a huge improvement. These two governments hold all the power on this issue.

[–] Vandals_handle@lemmy.world 1 points 35 minutes ago

Does the USA still lead in per capita emissions?

[–] arin@lemmy.world 12 points 9 hours ago (1 children)

When was the last year co2 didn't get worse ?

[–] Lumisal@lemmy.world 8 points 4 hours ago (1 children)

2020 since the pandemic shut everything down. There was a one year respite.

Basically at this point the only thing that might make things go down would be something on the scale of covid but deadlier that would make the ultra wealthy scared enough to keep things shut down long term.

[–] BenjiRenji@feddit.org 4 points 3 hours ago (1 children)

Before that it was the 2008 financial crisis.

I wonder if Trump's tariff chaos is causing enough economic shrinkage to bring another year of slight slow down.

We really need to decouple economic activity from CO2 emissions or we're just left hoping for the global economy to be in peril.

[–] arin@lemmy.world 1 points 1 hour ago

Ironically tariffs on Imports would be good for cutting global emissions. But people will starve and economy collapse.

[–] pHr34kY@lemmy.world 17 points 10 hours ago

Just an extra 35% since 1960. WCGW? /s

[–] Gsus4@mander.xyz 15 points 12 hours ago* (last edited 12 hours ago)

Welcome to the post-developed world, folks. Hope you made good use of that free fossil energy to make the world a special place for every living being on the planet...

[–] acidrobot@lemmy.world 16 points 15 hours ago

This is depressing

[–] theherk@lemmy.world 30 points 17 hours ago (2 children)
[–] riquisimo@lemmy.dbzer0.com 5 points 13 hours ago

I thought this was from "don't look up," but they respected him too much for that.

[–] zqwzzle@lemmy.ca 17 points 17 hours ago (1 children)

The last thermal maximum had rain forests at the poles and it was estimated that carbon was being emitted far more slowly. https://m.youtube.com/watch?v=ldLBoErAhz4

[–] victorz@lemmy.world 3 points 4 hours ago (1 children)

Rain forest at the poles? What did the North Pole look like at that time?

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

We aren't totally sure. Rainforest isn't the correct term but it was probably lush and green. The evidence we had is vegetation on Antarctica approx 90 million years ago. That also has the caveat that 90 million years ago, Antarctica was further north and didn't intersect the south pole. North Pole today is an ice sheet, so probably was a thinner ice sheet back then too.