this post was submitted on 03 Aug 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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[–] saltesc@lemmy.world 26 points 1 day ago (3 children)

I hate planes over trains in the EU. I swear trains feel faster because it's central to central too. There's no travelling out to an airport a couple hours before takeoff, sitting around waiting at an airport or on tarmac either. Oh, and actual leg room, comfort, and can easily move around.

[–] ILikeTraaaains@lemmy.world 4 points 17 hours ago

What I love the most about train is that you can go to the restaurant car and stretch the legs.

[–] classic@fedia.io 20 points 1 day ago (1 children)

So jealous of the countries that have kept train systems in place

[–] ILikeTraaaains@lemmy.world 5 points 16 hours ago* (last edited 16 hours ago) (1 children)

It is a bit of hit or miss in some parts.

Valencia-Madrid? Very fast and good, even with a low cost operator.

Valencia-Barcelona? Not as good, but it still beats the plane.

Valencia-Málaga? You mean Valencia-Madrid-Málaga, plane makes much more sense.

Valencia-Badajoz? Again through Madrid.

Madrid-Badajoz? Fuck you.

[–] nova_ad_vitum@lemmy.ca 2 points 15 hours ago

Valencia-Málaga? You mean Valencia-Madrid-Málaga, plane makes much more sense.

When I did this I just rented a car. That's it's own kind of hassle but I think it still beat flying.

[–] Tiresia@slrpnk.net 1 points 16 hours ago

I wish we had Chinese level public infrastructure, though. Even the proposed plans for EU high speed rail twenty years from now are behind what China already has.