this post was submitted on 23 Feb 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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Sales of SUVs surge as concerns grow over rising emissions | The market share of the larger, heavier cars has reached 60 per cent in the UK and most are still powered by petrol and diesel (www.thetimes.co.uk)
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[–] BilboBargains@lemmy.world 8 points 8 months ago

The 27 model year Land Rover BEVs will be in the vicinity of 3 tonne (6600lb). It doesn't produce tailpipe emissions but moving 3t around for one person is an extravagant use of energy, never mind the vast amount used to make the thing.

Personal ownership of a big heavy vehicle seems completely unsustainable, especially given the problem is currently mostly confined to rich industrialised nations. How is this going to work when everyone wants a car?