this post was submitted on 29 Feb 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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Climate change could unearth, disturb Cold War-era nuclear waste buried by the US, officials say (abcnews.go.com)
submitted 8 months ago by Midnight@slrpnk.net to c/climate@slrpnk.net
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Climate change presents problems much more immediate and threatening than Cold War-era nuclear waste, Roy said.

"Probably going to have greater issues from climate change than the mobilization of radionuclides from the Cold War," he said.

Its probably not disasterous, but I thought it was interesting as it raises the spectre of threats that are now appearing because we assumed we'd have a stable climate.

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[–] bstix@feddit.dk 7 points 8 months ago* (last edited 8 months ago)

It's ridiculous how the military could be allowed to just up and leave.

However it's been monitored since 2016 and Denmark has paid the bill for cleaning up some of it already.

The latest assessment from 2021 said that it'd be alright until 2100. Could probably be sooner now, but anyway, it's so far up north that a whole lot of Greenland needs to melt before it reaches the pollution, so we'll get a heads up in good time. And yes, there will likely be other even more serious issues if that happens.

Here's a video from 2016 which shows what it looks like. https://youtu.be/54TJORwhttM?si=ysehIUTrL6-CmuRF