this post was submitted on 30 Dec 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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Glen Sannox: 'Green' ferry has higher emissions than diesel ship - BBC News (www.bbc.co.uk)
submitted 2 weeks ago by [email protected] to c/[email protected]
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Were electric ferries not a viable option?

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[–] [email protected] 5 points 2 weeks ago (3 children)

I guess in 2017, when they started the project, electric wasn't a good option? And they overestimated the positives of the fuel it was designed for.

[–] [email protected] 9 points 2 weeks ago (2 children)

I'm just baffled by when exactly natural gas seemed to be the best option going forward

[–] t_chalco 4 points 2 weeks ago* (last edited 2 weeks ago)

When monies followed the US/CAN LTO glut, about three years earlier, and vested interest groups pushed the crap as a "green" solution to coal and crude. :grumble grumble grumble:

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