this post was submitted on 01 Aug 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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Why Is the Oil Industry Still Thriving? (www.splinter.com)
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[–] PumpkinSkink@lemmy.world 2 points 3 months ago

Andres Malm suggests in his book "Fossil Capital" that part of the reason that fossil fuels (stocks of energy) are so profitable is that you can pick and choose when to extract and then again when to release the energy stored in them, which will always be more profitable than, for instance, wind and solar (flows of energy) because you can manipulate production to prevent over supply, and choose when to release energy instead of waiting for the energy to be available in the flow. The higher capability to profit means that they will remain more profitable than renewables long after any other sort of calculation other than "profitability" would favor the renewables (cost to produce, damage to the environment, ability to satisfy energy demand).