this post was submitted on 10 Dec 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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Scientists advise EU to halt solar geoengineering (www.theverge.com)
submitted 1 week ago by ptz@dubvee.org to c/climate
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There’s ‘insufficient scientific evidence’ backing efforts to artificially cool down the planet, according to the European Commission’s scientific advisers.

Scientific advisers to the European Commission are calling for a moratorium across the EU on efforts to artificially cool Earth through solar geoengineering. That includes controversial technologies used to reflect sunlight back into space, primarily by sending reflective particles into the atmosphere or by brightening clouds.

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[–] pennomi@lemmy.world 1 points 6 days ago (1 children)

Yes, and other methods may also be attempted in parallel. There does not have to be only one effort to solve a complex issue like climate change.

[–] Tehdastehdas@lemmy.world 2 points 6 days ago* (last edited 3 days ago)

There must be a unified effort to solve a planetwide catastrophe. First all methods must be prototyped in parallel, studied, and synthesised into the best possible plan. Without a map of all plans being followed, disastrous accidents happen, such as getting dependent on fossil fuel because of not funding electrical grids and battery research at the best moment, right before surging need; at the advent of cars. Leaded fuel was even stupider, easier to avoid with ethanol and hardened valve seat rings for piston engines.

We don't go to war without a plan, but into the future we usually go blindly.