this post was submitted on 03 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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With respect to nuclear energy, in what ways will it help alleviate the climate crisis and where will it not? (lemmy.dbzer0.com)
submitted 2 days ago by SpiceDealer@lemmy.dbzer0.com to c/climate@slrpnk.net
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Nuclear always comes up when discussing the energy transition but renewables seem to be a much more popular consideration. Can nuclear energy help us towards a greener future or is it a long dead dream?

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[–] peterg75@discuss.online 3 points 2 days ago (1 children)

Nuclear is much more green than any fossil fuel based energy. It's also much more stable than renewables because it does not rely on the sun, wind, tides, etc. Renewables need more development around grid-scale storage. This is where nuclear can be a good transitional stop to an all-renewable energy future.

There are drawbacks to nuclear, of course, storage of waste material is chief among them.

[–] courageousstep@lemm.ee 4 points 2 days ago

I was wondering when someone was going to mention the waste. I don’t like the destruction that nuclear waste passes on to our descendants for that many years. That’s being a bad ancestor.