this post was submitted on 23 Nov 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.

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The Biden administration put $7 billion into "hydrogen hubs." Critics smell a boondoggle. (www.motherjones.com)
submitted 4 weeks ago by [email protected] to c/[email protected]
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This story was originally published by Yale E360 and is reproduced here as part of the Climate Desk collaboration.

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[–] [email protected] 9 points 4 weeks ago

hydrogen is just a fossil fuel investment. yeah let's just keep pouring money and resources into hydrogen, which requires natural gas for production in 95% of cases. We'll get to green hydrogen later, after we've left you with the bag