this post was submitted on 15 Sep 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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A hurdle towards reducing the environmental impact of automobile manufacturing (www.msn.com)
submitted 1 month ago by mayo to c/[email protected]
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In an interview with POLITICO, Cleveland-Cliffs CEO Lourenco Goncalves said the Ohio-based company produces the steel with the lowest carbon emissions in the world. But he said his company cannot persuade buyers, mostly in the automobile sector, to pay the price to cover the costs of producing more environmentally friendly steel.

Dang. This looks like a problem.

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[–] mayo 5 points 1 month ago* (last edited 1 month ago)

Bit more context in case people pass on the article, but Cleveland Cliffs was looking to get a $500 million grant from the Department of Energy to convert a coal powered steel manufacturing facility to hydrogen. Automakers buy their steel on the global market, so prices need to be competitive with what India and China can come up with. That grant might expire, revealing a weak link in the White House's green initiatives I hadn't thought about before.

All of these companies are publicly traded, none of them are willing to absorb costs for transition projects. Lourenco Goncalves isn't a good guy here.