this post was submitted on 25 Mar 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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This is how big one tonne of CO2 is (slrpnk.net)
submitted 8 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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Image from this LinkedIn post

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[โ€“] nossaquesapao@lemmy.eco.br 7 points 8 months ago (1 children)

Most people have a hard time visualizing how much a tonne of CO2 is, and that weird thing helps people understand how big it is, and can make them more worried about pollution, and more likely to seek change.

[โ€“] essellburns@beehaw.org 0 points 8 months ago

Ah yes, raising awareness The 20th centuries answer to climate change.

I am so old and cynical. But then I've seen people raising awareness for 40 years and I'd say the results have been uncertain.