this post was submitted on 08 Oct 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.

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Study shows EV owners have bigger carbon footprint than average because they are wealthier (phys.org)
submitted 1 week ago by ODGreen@slrpnk.net to c/climate@slrpnk.net
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Maybe EVs are not a comprehensive climate solution??

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[–] sonori@beehaw.org 2 points 6 days ago* (last edited 6 days ago)

There are, with the federal government alone paying 7k on most EVs sold in the US. The problem is that they are neoliberal flat subsidies applied at the point of sale that needed Republican support to enter law and as such companies just tack on 7k to the price customers are willing to pay anyway.

What we need is to incentivize manufacturers to focus on bringing down costs by focusing on things like LFP batteries and smaller vehicles, but manufacturers are currently incentivized to make larger vehicles because people are willing to pay a lot more than the added space cost to make, thusly increasing margins. At the very least making the full subsidy only available on vehicles under 25k, with a decreasing subsidy for vehicles under 50k would probably help, but you would need to be ready and willing to call manufacturers on their near certain attempts to get around it.

Some actual price wars between manufacturers would help too, but US auto manufacturers will fight tooth and nail to forestall that possibility.