this post was submitted on 25 Sep 2024
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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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What Skeptical Climate Voters Need to Know About Kamala Harris | Clearing up confusion about the Biden-Harris administration's climate record (www.distilled.earth)
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[–] cymbal_king@lemmy.world 3 points 1 month ago

I view this graph differently, the Biden line is pretty close to the target line through 2030 before it diverges. Estimates decrease in accuracy further into the future, particularly if we're assuming the political calculus stays the same over the next 6 years. The Inflation Reduction Act was the most powerful climate crisis bill we were going to get with the current political situation and it has made a big impact. Particularly with building green economy jobs in swing states. As the swing states see more and more benefits in coming years, that will change the political dynamics of what is possible