this post was submitted on 31 Mar 2025
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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.

Recommended actions to cut greenhouse gas emissions in the near future:

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Overfishing Harms the Environment. Is There a Way Out? (sentientmedia.org)
submitted 4 days ago by [email protected] to c/[email protected]
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Commercial fishing is destroying ecosystems around the world. Is anything being done about it?

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[–] [email protected] 10 points 3 days ago* (last edited 3 days ago)

Arrest, and imprisonment of any sailing crews caught engaged in the activity, or with pirated catch in their ship's holds. Along with these measures, immediate scuttling of their vessels in question would quickly deplete the stock of boats illegitimately engaged in the type of fishing which is depleting entire wild stocks.

Nations should band together and establish realistic limits, and coordinate to enforce them rather than imposing impotent fines. Vessels registered to nations which refuse participation or decline to abide by the rules laid out should be engaged as hostile entities both in and outside of member nations naval territory. Some of the coordinated pirate fishing is roughly equivalent to strip mining, the damage may take decades to heal, if at all still possible.

As it is, the oceans are set to fill with jellyfish over the next few decades due to anticipated overall temperature increases, and lack of predation by other sea creatures. If fish stocks face this additional competition on top of the already ludicrous figures of harvest, the entire oceanic food web may face collapse.