this post was submitted on 13 Apr 2025
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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.

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I flew propeller planes for 17 years – here's why they're making a comeback (inews.co.uk)
submitted 2 weeks ago by Sunshine@lemmy.ca to c/climate@slrpnk.net
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[–] Sunshine@lemmy.ca 24 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

We should mostly use electric trains and sailboats for traveling long distances while we wait for more developed electric planes.

[–] RustlingLeaves@slrpnk.net 2 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

I completely agree. We should build more trainlines under or over oceans, like the channel tunnel but longer.

[–] monkic@slrpnk.net 3 points 2 weeks ago (1 children)

That sounds like an ecological disaster. I love trains and sail boats and mass transport that don’t run on fossil fuels, but we also can’t overlook the ecological implications of building ideas like yours. We’ve fucked enough of marine, coastal and soon, deep sea / sea floor ecosystems already.

[–] RustlingLeaves@slrpnk.net 2 points 2 weeks ago

Fair enough.

[–] Zoot@reddthat.com 2 points 2 weeks ago (1 children)

How do you build a train line under or over an ocean

[–] RustlingLeaves@slrpnk.net 3 points 2 weeks ago

I don't know, I'm not a trainologist.