this post was submitted on 05 May 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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Fish are shrinking around the world. Here’s why scientists are worried. | Figuring out the reason why has big implications, with billions of people depending on seafood for protein. (wapo.st)
submitted 6 months ago by silence7@slrpnk.net to c/climate@slrpnk.net
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The pair restarted their work in Massachusetts with about 400 brook trout reared for up to eight months in tanks. The scientists kept some of the fish in waters set at 59 degrees Fahrenheit while others at 68 degrees Fahrenheit. All were fed the same diet.

By the end of the experiment, the difference was stark. The trout raised in warmer waters were on average less than half the size as the other fish.

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[–] maynarkh@feddit.nl 5 points 6 months ago

The other day I read the history of the Somalian pirates. Basically corps from wealthy nations like China stole all their fish with bottom trawling, and after the initial failure of their state they had nobody to enforce the rules. They tried chasing off the illegal fishers themselves, but were declared pirates because of that. Then they went "if we are pirates anyway, we might as well", and then we get to the part when the US went in to shoot up their capital and made a movie about it.