this post was submitted on 09 Dec 2024
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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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Car tires shed a quarter of all microplastics in the environment. Urgent action is needed (phys.org)
submitted 1 week ago* (last edited 1 week ago) by [email protected] to c/[email protected]
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Electric cars are not THE solution.

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[–] moonbunny 25 points 1 week ago (1 children)

Maybe there’s some kind of a wheel, like a metal wheel that could just glide across narrow metal surfaces that could follow a set path….

[–] [email protected] 8 points 1 week ago (1 children)

imagine if it had a flange, so around turns the wheels could hook into the the metal surfaces so they wouldn't go off them, that would sure be neat

[–] [email protected] 7 points 1 week ago (1 children)

Actually the flanges are only an additional safe guard. The train wheels are actually a bit cone shaped which makes then self-centering on their own, even without the flange: https://youtu.be/Nteyw40i9So

[–] [email protected] 7 points 1 week ago (1 children)

'Train'? What is this 'Train' you speak of?

[–] [email protected] 9 points 1 week ago (1 children)

Oh! You must be from the land of the free! I'm sorry...