this post was submitted on 09 Feb 2024
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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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The world is reducing its reliance on fossil fuels – except for in three key sectors: shipping, aviation and industry a long way from net zero (www.theguardian.com)
submitted 9 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] sinkingship@mander.xyz 6 points 9 months ago* (last edited 9 months ago) (1 children)

I like this graph from the article: Expected fossil fuel use

Wasn't it 2028 when the carbon budget for 1.5 °C runs out? And 2050 or so for 2 °C? Lol

[–] silence7@slrpnk.net 4 points 9 months ago (1 children)

The dates on which budgets run out depend on the rate at which we continue to extract and burn fossil fuels.

Future projections depend enormously on policy. Change policy, and those curves change.

[–] sinkingship@mander.xyz 2 points 9 months ago

You are correct with both points. I merely wanted to point out, how far we are from reaching the Paris Agreement.

1.5 may or not be a little later than 2028. The fossil consumption lines may or not be a little flatter.