this post was submitted on 15 Dec 2023
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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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Recent findings from some peer-reviewed academic papers in agricultural journals sound like fodder for optimism: The United States cattle industry has helped to cool the climate almost every year since 1986. European dairy goats and sheep have caused no additional warming since 1990. Australian sheep meat is a “climate-neutral” product.

But these findings are highly misleading, according to a new study in Environmental Research Letters. The study found that an alternative method of quantifying the impact of methane emissions has led to a raft of industry-friendly findings that the livestock sector seems to be using to claim climate neutrality as they continue to pollute.

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