this post was submitted on 19 Nov 2025
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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:

Anti-science, inactivism, and unsupported conspiracy theories are not ok here.

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Iowa City Made Its Buses Free. Traffic Cleared, and So Did the Air. | Ridership jumped, people cut back on driving and, over the summer, the city extended the program another year. (www.nytimes.com)
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[–] tenacious_mucus@sh.itjust.works 7 points 2 months ago (2 children)

That’s how it is in a lot of places in Europe, i think anywhere outside of the bigger cities. The bus routes where i live in Germany are all once an hour. Gets less often at night on weekends, but we still pay for them.

[–] Jumi@lemmy.world 6 points 2 months ago

We pay for them with taxes and tickets (which prices does include more taxes) and we get a joke of public transit in return.

[–] MrMakabar@slrpnk.net 4 points 2 months ago

and they are mostly used by people, who kind of have to.