this post was submitted on 06 Sep 2026
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Climate

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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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Minnesota solar project set to replace retiring coal plant reaches 710 MW (www.solarpowerworldonline.com)
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[–] Mihies@programming.dev -4 points 3 days ago (2 children)

So it is 3GWh. Better than 600MWh. While the power requirement during nights might be less, it's still a problem, specially during winter (short days, clouds, heat pumps etc.). And you need to charge those batteries as well which significantly lowers the power output during the day.

[–] NotEasyBeingGreen@slrpnk.net 2 points 2 days ago (1 children)

You can see California moving to deal with this issue via battery storage:

https://app.electricitymaps.com/map/zone/US-CAL-CISO/live/fifteen_minutes

Pumped hydro is better, but not available everywhere.

I expect sodium-ion batteries to be the main type of storage going forward, but who knows?

[–] Mihies@programming.dev 2 points 2 days ago (1 children)

Pumped hydro is better, but not available everywhere.

Depending on geography, but yes, it's rare that you have all requirements for it (hill, river etc.)

I expect sodium-ion batteries to be the main type of storage going forward, but who knows?

These certainly seem like the future. There is also fusion, but it won't be feasible in near future if ever.

[–] PuddleOfKittens@sh.itjust.works 1 points 1 day ago* (last edited 1 day ago) (1 children)

Honestly fusion isn't worth talking about. The closest fusion has gotten to a viable power plant is Quaise, the geothermal startup that uses a maser (microwave laser) for drilling.

Speaking of which, geothermal might well be the main baseload power plant.

[–] Mihies@programming.dev 1 points 1 day ago

Fusion is still making progress, though. Slowly, but progress nevertheless. I'm not sure how geothermal is viable in general but if we can harness it, it might do very well also for heating.

[–] rbos@lemmy.ca 2 points 3 days ago

I mean, yeah, that's kinda how it works.