this post was submitted on 30 Dec 2023
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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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[–] Hildegarde 5 points 11 months ago (1 children)

You're straw-manning me because my argument was specifically about long haul trucking. Short haul trucks can be electrified. This is why both Kennworth and Peterbult have short haul electric trucks that they sell and you can buy right now. There is currently is no manufacturer currently selling electric trucks with a sleeper cab in the US.

In the US, most long haul freight is carried by trucks. Freight rail exists but its market share has been dwindling for decades, and none of it is electrified. Electrifying all trucks in the US, as advocated by the article is non-viable. Long haul freight should be handled by rail instead of trucks, because that is a technology that exists and can be built.

[–] [email protected] 2 points 11 months ago

When you say:

Electrifying the trucks will not solve the problem. Batteries don’t have the energy density to work for long haul trucks.

I understood:

Electric trucks do not contribute at all to a green transport system, as batteries do not have the energy density for long haul trucking.

The article is about banning trucks the sale of fossil fuel trucks by 2030, so that is imho extremly easy to missunderstand.