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.

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The picture would of course look very different if manufacturers had chosen to make smaller inexpensive electric sedans.

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[โ€“] Salvo@aussie.zone 5 points 1 week ago (1 children)

The vehicles currently called SUVs are just Station Wagons with a higher centre of gravity.

In the old days, normal people drove Station Wagons, Sedans, Hatchbacks and Utes. Those people had a need for off-roading drive 4WD light trucks, which were a less pleasant to drive on-road.

Husbands wanted a toy for the weekend, but they still wanted something that was sane to drive to their day job. That meant that Wives for forced to drive the oversized Light Truck that handled poorly to drop the kids off at school and go day-drinking.

Eventually, 4WDs were remarketted as Sports Utility Vehicles and had their off-road capabilities handicapped. Manufacturers tried to push people to drive Wagons and the new MiniVans again, but the Soccer Mums liked the high seating position of the 4WDs.

Nowadays MiniVans and Wagons have been replaced by vehicles that are not as Sporty as Wagons and not as Utilitarian as MiniVans. They have no off-road ability.

[โ€“] meowMix2525@lemm.ee 3 points 1 week ago

The vehicles currently called SUVs are just Station Wagons with a higher centre of gravity.

There's also a breed of what the manufacturers are calling a mini-SUV out there, which I reckon is just a hatchback with the same distinction.