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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New compact SUVs now create less pollution, on average, than sedans, thanks to the rapid rise of small electric SUVs. (wapo.st)
submitted 1 week ago by silence7@slrpnk.net to c/climate@slrpnk.net
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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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[–] reddig33@lemmy.world 1 points 1 week ago

Depends. I tried the fiat 500e and it would die halfway through the day if you added passengers and air conditioning. Great for a one person car, but if you’re hauling kids and spouses, you’re going to need a larger car with more range. Not necessarily an SUV — but something with at least a 200 mile battery.