this post was submitted on 26 Jan 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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Chart: Is LNG worse for the climate than coal? Research suggests that liquefied natural gas can have a bigger emissions footprint than coal, undermining LNG’s status as a “bridge fuel.” (www.canarymedia.com)
submitted 9 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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[–] silence7@slrpnk.net 6 points 9 months ago (1 children)

Mostly because the US has huge coal deposits but fairly limited coal exports. A lot of the discussion about LNG is whether it makes sense to use it to displace same-country coal extraction & use vs ship in LNG from far away.

[–] zinaer@lemmy.world 1 points 9 months ago (1 children)

Great, thanks! Why doesn't the chart show costs of transportation of coal via ship as well? Do you have a link for the study mentioned in the graph by chance?

[–] silence7@slrpnk.net 1 points 9 months ago

It doesn't show those because the US isn't about to start large-scale coal exports.

The preprint is linked in the article