this post was submitted on 17 Jun 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:

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[–] supersquirrel@sopuli.xyz 13 points 1 month ago

Hi geologist here, I get lots of money to hang out in the "Clean Coal in 10 years!" deadend club for divorced dads.

[–] FundMECFSResearch@lemmy.blahaj.zone 10 points 1 month ago* (last edited 1 month ago)

Lifetime emissions compared to public transport is very high, yes.

It’s a shame car companies are exploiting this talking line to recommend even worse ICE cars.

The lesson should be to prioritise soft mobility and public transport .

[–] humanspiral@lemmy.ca 8 points 1 month ago (1 children)

On mining debt, china has opened fully electric mines. Mining is not an inherently oil/diesel using activity.

Obviously japan is not forced to rely on coal, too.

[–] officermike@lemmy.world 5 points 1 month ago (2 children)

bUt WhErE dOeS tHe ElEcTrIcItY fOr ThOsE fUlLy ElEcTrIc MiNeS cOmE fRoM?

[–] humanspiral@lemmy.ca 3 points 1 month ago

Mines like datacenters can be in remote low land value areas that have a lot of room for solar, which without grid connections is even cheaper than grid connected energy, and cheaper power than transporting fuel. Surrounding land, certainly not usable for civilization. Most uranium mines in the world have a proper exclusion zone that allows more solar energy than the energy value of the uranium inside the mine.

After mine's life, power availability means a cleaned up side does have civilization/land value. It also makes it attractive for eventual grid connection to rest of continent, or just "microgrid" short transmission to touristier locations. Solar development of a mining area not only offers cheapest mining operations, it creates future land value appreciation, and power supply revenues. Both significantly improving economics of a mining project.