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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[–] silence7@slrpnk.net 8 points 9 months ago* (last edited 9 months ago) (1 children)

I wouldn't describe them as "3 areas that matter most" — shipping and aviation are only part of transport

Note that this chart only runs through 2020

[–] Hazmatastic@lemm.ee 2 points 9 months ago (1 children)

Nice insight, thank you. I wonder if the electricity industry uses is under the industry umbrella or the electricity and heating umbrella. Separate entities of course, but I'd be interested in seeing how electricity consumption compares from industry to consumer sectors.

[–] silence7@slrpnk.net 3 points 9 months ago

Not in this chart. I've seen national inventories which distribute electric sector emissions out to the consumers of it