this post was submitted on 15 May 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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[–] [email protected] 4 points 7 months ago (6 children)

The article talks about biofuel, but not gas to liquids (i.e. Fischer–Tropsch).

Both are expensive but very much possible, it's only the fact that burning fossil fuels is so cheap that prevents them being economically possible.

[–] [email protected] 16 points 7 months ago (5 children)

The climate crisis has little to do with what is physically or technologically possible. It's all about economics — what is feasible, and what is most profitable. In Capitalism cheap, dirty, and destructive will always win the race when the alternatives are less profitable.

The majority will not accept their 1k flight costing 5 or 10k. The human population simply will not accept a forceful phase-out of GHG's without alternatives that are equal or cheaper. We're greedy, and the greed is concentrated at the top.

[–] girsaysdoom 7 points 7 months ago

Exactly. This is all about people trying to come up with a technological solution to retain the same unsustainable lifestyle we already have become complacent with. It's just not possible; we can't keep consuming over what's feasible and wonder why the consequences of overconsumption keep coming up.

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