this post was submitted on 06 Apr 2025
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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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Trump administration orders half of national forests open for logging (wapo.st)
submitted 2 days ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Yes, this means a ton of carbon ends up in the atmosphere instead of in the trees. The right move would be thinning and prescribed burns, but this administration isn't going to do that.

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[–] HelixDab2@lemm.ee 11 points 2 days ago (2 children)

Save a forest, shoot a ...

Wait, where's the line where what I say gets me banned again?

[–] MBech@feddit.dk 12 points 2 days ago

In my experience, that line was mostly left over on Reddit.

[–] TonyOstrich@lemmy.world 2 points 1 day ago (1 children)

Vigilante groups tracking and disabling logging equipment?

[–] HelixDab2@lemm.ee 2 points 1 day ago

Fun fact: it doesn't take very much gasoline in a diesel engine to wreck the engine fast. Diesel fuel lubricates the cylinders, while gasoline will strip lubrication off. Rebuilding a diesel engine that's seized because there was no lubrication in the cylinders is a very expensive process. Diesel engines also rely on the compression of the air and fuel to ignite at the correct time, so a low-octane gasoline that was less resistant to pre-ignition in the compression cycle would cause severe engine knock that would also trash the engine.

So the moral of the story is, be very careful that you never put low-octane gasoline in you diesel engine, because you might end up needing to spend tens of thousands of dollars to replace the engine.