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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[–] abraxas@sh.itjust.works -5 points 9 months ago (1 children)

That won't work because a <$0.01 tax on steak relative to the impact caused by meat-eating in most countries won't change anyone's mind. If everyone went vegan, the world still fails. If nobody went vegan but the businesses went carbon neutral, we're all fine.

In the US point of view, we only produce 20% more methane emissions than in the pre-colonial days, and the only way these changes will actually be a meaningful net positive is through anti-natal terraforming to lower animal population than was ever really natural.

I'm ok with some countries bearing more weight to help than the harm they cause, but only if it will actually make a difference. 100 million people in my country choosing to stop eating meat suddenly (or being forced to at gunpoint) doesn't change anything.