this post was submitted on 24 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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Spain bans short-haul flights where you can take a train (www.euronews.com)
submitted 10 months ago by [email protected] to c/[email protected]
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[–] [email protected] 3 points 10 months ago (1 children)

The article talks about a plan, which depending on what it includes would vary. In the article one optimistic prediction says 10% the other more pessimistic says 0.06%. Until more decisions are made the real number will be unknown.

[–] [email protected] 2 points 10 months ago (1 children)

Also because aviation is actually not a big part of the CO2 emissions

https://ourworldindata.org/emissions-by-sector

We should still try to fly less, but there are other sectors that can make a much bigger impact.

[–] [email protected] 1 points 10 months ago (1 children)

Would passenger aviation be included in transport or "aviation and shipping"?

I feel like the latter definitely includes goods transport, but passenger could fit into either category arguably

[–] [email protected] 2 points 10 months ago* (last edited 10 months ago) (1 children)

https://theicct.org/publication/co2-emissions-from-commercial-aviation-2013-2018-and-2019/

Based on that graph it's 85% of aviation, so I think it's under aviation, because passengers make up 85%

[–] [email protected] 1 points 10 months ago

Awesome, thank you!