this post was submitted on 13 Jan 2025
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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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A hurricane of fire (cdn.masto.host)
submitted 6 days ago by rimu@piefed.social to c/climate@slrpnk.net
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Source https://med-mastodon.com/@luckytran/113796085255452817

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[โ€“] LibertyLizard@slrpnk.net 5 points 5 days ago (1 children)

Short term, there's really not much they could have done better. These were extreme conditions and they were bound to cause fire to a large extent in the current context of peri-urban development and forest mismanagement.

Long term, things could have been different but it would require major political and social changes in how we build cities and how we manage our wildlands. Happy to go into more detail if you are curious.

[โ€“] humanspiral@lemmy.ca 0 points 5 days ago

Destroying and rebuilding homes (AFAIU, most destroyed were over 60 years old) is a tough option. Really, removing forest for solar is the best, only practical, solution. This should be global adaptation to high value forest homes/communities, because drought risk is everywhere.