this post was submitted on 26 Jan 2024
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Climate - truthful information about climate, related activism and politics.

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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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[–] LilNaib@slrpnk.net 19 points 9 months ago (1 children)

Howarth found that LNG’s total emissions are between 24 and 274 percent more than coal’s, depending on how the LNG is transported.

Horrific.

We're making the same mistake now as we did after the Iraq War. During/after that war, there was a massive push to decrease US reliance on Middle Eastern oil. That was great, but unfortunately, most of the effort centered on domestic oil production, including fracking, which is even nastier than conventional oil production. We should have been building out and transitioning to renewables instead.

Now we have the same basic problem: Europe has realized it can't rely on Russia for its fossil fuels and is now greatly increasing consumption of LNG, which is even nastier (for climate emissions) than conventional fossil fuels, even apparently coal, which I didn't know was possible. That's insane!

Let's learn from this and build as much wind, solar, and other renewables as quickly as possible.

[–] MrMakabar@slrpnk.net 6 points 9 months ago

EU 2023 LNG imports have been below 2022 imports. That is still a massive increase compared to 2021, but that was to be expected. Maybe even more important the natural gas price is falling extremely quickly. It halved over the last year. LNG is more expensive then other transport methods of natural gas, so it is the first to be cut.