this post was submitted on 13 Oct 2024
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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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Germany’s 49-euro ticket resulted in significant modal shift from road to rail (www.mcc-berlin.net)
submitted 2 years ago by kalkulat@lemmy.world to c/climate@slrpnk.net
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Meanwhile in North America, Canada's VIA is operating on a shoestring and being further threatened ... and in the last 50 years the US has pulled up most of the rails that were installed in the previous century. We're stuck with airplanes, hybrid metro-transit, and what's left of Greyhound. But, hey, we've got a world to police!

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[–] kalkulat@lemmy.world 1 points 4 months ago

I'd not like to ride a communter, but long-distance rail has always been a pleasure. Even moreso when I knew something of the land and history that was passing by. Hitch-hiking is closer to the ground, but slower and much less rewarding ... more like labor vs. a concert.

Especially rewarding when you're free to get on-and-off when/where you want, and be welcomed back aboard when you're ready to move further on!