this post was submitted on 03 Sep 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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The thermodynamics of electric vs. internal combustion cars (www.theclimatebrink.com)
submitted 2 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[โ€“] futatorius@lemm.ee 5 points 2 months ago (1 children)

Adding thermal storage would require mass to be added, unless some existing component could be converted to dual-purpose. More mass in an EV means lower range and an increase in the already high vehicle weight.

[โ€“] jol@discuss.tchncs.de 2 points 2 months ago

And I can't imagine the thermal accumulator + insulation would have a higher energy intensidensity than just the battery alone.