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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[–] futatorius@lemm.ee 1 points 3 months ago

The reason those products were adopted was because the raw materials were available chaply as by products of fossil-fuel production. We'll have to substitute, and will still use some petroleum to produce feedstock for a while. But substitution, efficiency improvements and replacement are normal parts of a working economy. As fossil-fuel derivatives become more costly, we'll ditch them.

Shipping is a separate problem: the logistics and transport sector will be slower to decarbonize because of the long lifetimes of its capital goods.