this post was submitted on 30 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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[–] [email protected] 1 points 3 hours ago

Maybe stupid provocations by US can galvanise climate cooperation by rest of the world. I remember COP6 in Den Haag - which failed due to miscommunication between US (end of Clinton admin) and EU (within which, FR and UK failed to understand each other). Six months later at COP6bis, with the US then led by Bush administration (after blocking recounts in Florida) and similarly pulling out of Kyoto protocol, the rest of the world united against US, the deal was done and the whole COP went for a celebration party cruise down the Rhine (yes the numbers were smaller then, but the boat did feel a bit 'top-heavy').
Now, compared to then, US controls much smaller chunk of total emissions and GDP, and the technology transition has momentum. The bigger questions are whether India will follow a similar coal+concrete pathway as China, and eventually how Africa will evolve.

[–] [email protected] 3 points 8 hours ago

Not defending Turnip, but at this point the Paris Agreement is almost pointless as we surpass the 1.5ºC. Governments around the world did very little over the last 10 years to prevent the current state of affairs.

[–] [email protected] 20 points 20 hours ago (1 children)

China is the global leader now when it comes to the energy transition, America is just going to become more irrelevant on the world stage.

By the end of Trump's term, the world of huge gas guzzling fossil fuel cars is just going to look sad and out of date. Meanwhile the Green Energy transition it's the largest industrial project in human history. The failed orange businessman who bankrupted a casino, is just handing all the trillions of dollars of future revenue to China.

[–] [email protected] 3 points 18 hours ago

I'm gonna miss news like this😢