this post was submitted on 05 May 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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[–] jagged_circle@feddit.nl 9 points 1 day ago

NASA blamed the rise mostly on the expansion of ocean water as it warms, a process known as thermal expansion. In recent years, approximately two-thirds of sea level rise resulted from land-based ice melt, while one-third was due to thermal expansion. However, in 2024, this trend reversed — thermal expansion accounted for two-thirds of the rise.

TIL

[–] jagged_circle@feddit.nl 7 points 1 day ago

Shit they're going to get targeted with funding cuts due to this excellent research

[–] graycube@lemmy.world 80 points 2 days ago (2 children)

If we delete all of this data and fire and muzzle the scientists, then the problem will go away.

[–] CosmicTurtle0@lemmy.dbzer0.com 18 points 2 days ago (1 children)

I believe South Carolina has a law like this for coastal regions.

Because it impacted beach house sales.

[–] Rozz@lemmy.sdf.org 8 points 2 days ago

I'm sure the insurance companies are woke and aware of this.

[–] ininewcrow@lemmy.ca 22 points 2 days ago (1 children)

Better yet, let's hold a presidential press briefing and the stupid things that will be said will distract us for a month and make us forget about the slow collapse of our civilization

[–] Shortstack@reddthat.com 14 points 2 days ago (1 children)
[–] TachyonTele@lemm.ee 7 points 2 days ago

This Is taking too long dammit!

[–] jagged_circle@feddit.nl 4 points 1 day ago
[–] bfg9k@lemmy.world 22 points 2 days ago

Oh no if only someone had warned us 30 years ago....

[–] HubertManne@piefed.social 31 points 2 days ago (2 children)

wow. an inch every four years about and the rate is still rising. So a foot in 48 years which might sound long but its no longer oh that is beyond my lifetime type of thing.

[–] phil_dissonance@lemm.ee 14 points 2 days ago* (last edited 2 days ago) (1 children)

One main point is also: this is not a linear function. So ober 48 years you won't get 48 x 0.23". The rise accelerates as climate change accelerates.

[–] HubertManne@piefed.social 6 points 2 days ago

yeah and we are about half a foot as it stands so within 20 years should be there if not sooner. We already see so many effects were we are at now.

[–] einlander@lemmy.world 15 points 2 days ago (1 children)

That's the rise, but imagine the increased rate of erosion. It will get above the rocks and start carving away at beaches and lakefront properties. Rich people's real estate investments are about to be devalued.

[–] nodiratime@lemmy.world 10 points 2 days ago (1 children)

Rich people's real estate investments are about to be devalued.

Good. We can finally eat them then.

[–] SouthEndSunset@lemm.ee 2 points 2 days ago

Personally I’d rather feed them to our cats…I’m veggie and they probably don’t taste nice.

[–] sirico@feddit.uk 31 points 2 days ago

No one will care enough until they're screwed sadly

[–] qjkxbmwvz@startrek.website 17 points 2 days ago

TIL NASA is woke.

(/s shouldn't be required but here we are...)

[–] phil_dissonance@lemm.ee 17 points 2 days ago

No problem just sell your house to aquaman

[–] TheBat@lemmy.world 12 points 2 days ago (1 children)

Exponential functions are a bitch

[–] CitizenKong@lemmy.world 11 points 2 days ago

And we are still on the gradual incline side of it too, not the steep part.

[–] MNByChoice@midwest.social 15 points 2 days ago* (last edited 2 days ago) (1 children)

Mar-a-lago is 15 feet above sea level.

Edit: some of the grounds are at 4 feet.

[–] Asafum@feddit.nl 11 points 2 days ago* (last edited 2 days ago)

"The Radical Left Lunatics™©® have Flooded the Great Mar-a-lago! I hereby declare the left a terrorist organization! The Climate Hoax is Fake News, Joseph Stalin Biden Flooded Mar-a-lago not the ocean!"

[–] aramis87@fedia.io 5 points 2 days ago

That's how momentum works ...