this post was submitted on 17 Apr 2025
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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.

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Analysis: Record surge of clean energy in 2024 halts China’s CO2 rise - Carbon Brief (www.carbonbrief.org)
submitted 1 week ago by humanspiral@lemmy.ca to c/climate@slrpnk.net
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emissions down in last 10 months of 2024. Very likely that trailing 12 months are down too (not covered in article, but something they will pick up)

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[–] humanspiral@lemmy.ca 1 points 1 week ago

The IRA was indeed a massive manufacturing development push for the US. It is politically popular to create manufacturing jobs. Pro oil, high interest rate, war policies undermined renewables, and many approved IRA projects were cancelled, because even with domestic credit monopoly incentives, the US is uncompetitive and a full supply chain plan doesn't work when giving each cog monopoly benefits where banking system doesn't buy in to sink projects. Zionist supremacist/ADL sides with oil oligarchy, and after Oct 7th sided with anti-woke, and DNC made sure most pro zionist candidate won. Israel needs the primacy of oil to continue.

Best part of it was green hydrogen subsidies for output. For $20B per year for 20 year cost, offering completed projects 2% financing, at government cost of 4% up to 100% of value, but based on revenue supporting accelerated repayment would allow for $1T of "revolving" projects. A carbon tax and dividend is the most effective climate policy that also reduces FF costs by shifting demand, as well as costing 0. Nationalizing oil industry, without shareholder compensation, is necessary to stop their lobbying/disinformation and priortization of war over national/human interests.

US politics favouring a war on China, and desperate attempts to diminish China, means pure stupidity meant to diminish humanity and prosperity including in the US. National security arguments for manufacturing don't apply to renewables. You have energy independence once you have the solar panels. If future energy expansion requires energy from the enemy you fabricated, you still have coal and oil wells. There is a much stronger national security argument for apparel which you need a steady supply of, if you will start a war on whole ASEAN block. Mild tariffs on China meant to have them invest in friendly US production without subsidies is counter to oligarchist war mongering/oil agenda of US rule, but the path to US/global prosperity. Divisive-sabotage democracy simply isn't working.