this post was submitted on 13 Apr 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.

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Data Centers: Economic benefit or environmental boondoggle? (sierranevadaally.org)
submitted 5 days ago by ice@slrpnk.net to c/climate@slrpnk.net
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The city of Reno, Nev. is approving more local data center projects. Are they worth the environmental cost?

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[–] supersquirrel@sopuli.xyz 3 points 5 days ago* (last edited 5 days ago)

When the rolling blackout comes during an intense heatwave and the people in charge have to choose between cutting power to the elderly, people at risk with their health, and the poor vs. cutting power to their rich friend's data center that is turning a mean profit do you think they are even going to think about that choice? No, they will cut off power to the poor.

This isn't just a bad idea, it is constructing a dichotomy that can and will be used to justify mass death in the arid, hot areas of the US.

If you live in a place like this, move away as soon as possible, the writing is on the wall.