this post was submitted on 09 Dec 2024
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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 2 weeks ago* (last edited 2 weeks ago) by [email protected] to c/[email protected]
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Electric cars are not THE solution.

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[–] [email protected] 3 points 1 week ago (1 children)

All the EVs I see sold around where I live (Norway) come with the same eco tires as ICE cars. The heavier ones like a Tesla Model X just comes with the same tires rated for higher load. (And the extra foam inside for sound dampening, but that's an option for most tires) The Model X also happens to be delivered with the same tire they put on the very much not EV Ford Explorer.

[–] [email protected] 2 points 1 week ago (1 children)

I know nothing about the tires on the Teslas or the non EV ford explorer, or even what tires are fitted in Norway. But the Hyundai Ioniq 5 I bought in Denmark last year came fitted with Michelin Primacy 4 tires, which are indeed EV tires.

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

What makes it EV and not just an eco tire? On Michelins website (Norwegian one) and various tire shop websites it just, an eco tire.

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

The staggered tread pattern, the stiffer rubber, the profile of the tire, and the sound dampening foam inside the tire. There's nothing stopping you from mounting these on regular ICE cars though.

Here's a video explaining more about EV tires:

https://youtu.be/8pM9o2Ifcro

[–] [email protected] 1 points 1 week ago

Yeah my point is that this is.. just an eco tire and not specific to EVs in anyway.

Did EVs cause eco tires to advance a lot? Yes.

Are they different from other eco tires? No.

Are they different to other tires in America? Yes because they didn't really have eco tires before EVs.