this post was submitted on 07 Jan 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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[–] usernamesAreTricky@lemmy.ml 32 points 10 months ago* (last edited 10 months ago)

The problem is not that the method that meat is produced, it is that it is produced at high levels at all. The inefficiencies don't go away by changing regulations. We are going to have to have changes in production and thus consumption levels. It's going to be difficult politically to get any policy like that through if people are unwilling to reduce any on there own as well

Do I think systematic actions are needed, yes, but if we're going to get there we'll have to start with some degree of individual action before any of it is paltable to the larger society